cmip6_common_concept.json

{"Header": {"last_table_mod": "05/29/2024, 21:15:01", "lastgit": "05/29/2024, 21:15:01", "last_table_read": "6hrLev with table date 18 November 2020", "mip_era": "CMIP6"}, "index": {"convection_time_fraction": {"CF3hr": {"ci": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Fraction of time that convection occurs in the grid cell."}}, "Amon": {"ci": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Fraction of time that convection occurs in the grid cell."}}, "CFsubhr": {"ci": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Fraction of time that convection occurs in the grid cell."}}}, "convective_cloud_area_fraction_in_atmosphere_layer": {"CF3hr": {"clc": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Include only convective cloud."}}, "CFmon": {"clc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Include only convective cloud."}}}, "mass_fraction_of_convective_cloud_ice_in_air": {"CF3hr": {"clic": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Calculated as the mass of convective cloud ice  in the grid cell divided by the mass of air (including the water in all phases) in the grid cell.  This includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}, "CFmon": {"clic": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Calculated as the mass of convective cloud ice  in the grid cell divided by the mass of air (including the water in all phases) in the grid cell.  This includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}}, "mass_fraction_of_stratiform_cloud_ice_in_air": {"CF3hr": {"clis": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Calculated as the mass of stratiform cloud ice  in the grid cell divided by the mass of air (including the water in all phases) in the grid cell.  This includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}, "CFmon": {"clis": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Calculated as the mass of stratiform cloud ice  in the grid cell divided by the mass of air (including the water in all phases) in the grid cell.  This includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}}, "atmosphere_mass_content_of_cloud_ice": {"CF3hr": {"clivi": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "mass of ice water in the column divided by the area of the column (not just the area of the cloudy portion of the column). Includes precipitating frozen hydrometeors ONLY if the precipitating hydrometeor affects the calculation of radiative transfer in model."}}, "CFday": {"clivi": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "mass of ice water in the column divided by the area of the column (not just the area of the cloudy portion of the column). Includes precipitating frozen hydrometeors ONLY if the precipitating hydrometeor affects the calculation of radiative transfer in model."}}, "Amon": {"clivi": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "mass of ice water in the column divided by the area of the column (not just the area of the cloudy portion of the column). Includes precipitating frozen hydrometeors ONLY if the precipitating hydrometeor affects the calculation of radiative transfer in model."}}, "E3hr": {"clivi": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "mass of ice water in the column divided by the area of the column (not just the area of the cloudy portion of the column). Includes precipitating frozen hydrometeors ONLY if the precipitating hydrometeor affects the calculation of radiative transfer in model."}}, "CFsubhr": {"clivi": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "mass of ice water in the column divided by the area of the column (not just the area of the cloudy portion of the column). Includes precipitating frozen hydrometeors ONLY if the precipitating hydrometeor affects the calculation of radiative transfer in model."}}}, "stratiform_cloud_area_fraction_in_atmosphere_layer": {"CF3hr": {"cls": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Cloud area fraction (reported as a percentage) for the whole atmospheric column due to stratiform clouds, as seen from the surface or the top of the atmosphere. Includes both large-scale and convective cloud."}}, "CFmon": {"cls": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Cloud area fraction (reported as a percentage) for the whole atmospheric column due to stratiform clouds, as seen from the surface or the top of the atmosphere. Includes both large-scale and convective cloud."}}}, "cloud_area_fraction": {"CF3hr": {"clt": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Total cloud area fraction (reported as a percentage) for the whole atmospheric column, as seen from the surface or the top of the atmosphere. Includes both large-scale and convective cloud."}}, "CFday": {"cltcalipso": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total cloud area fraction (reported as a percentage) for the whole atmospheric column, as seen by the  Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) instrument. Includes both large-scale and convective cloud."}, "cltisccp": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total cloud area fraction (reported as a percentage) for the whole atmospheric column, as seen by the International Satellite Cloud Climatology Project (ISCCP) analysis. Includes both large-scale and convective cloud.  (MODIS). Includes both large-scale and convective cloud."}}, "E3hrPt": {"cltcalipso": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Total cloud area fraction (reported as a percentage) for the whole atmospheric column, as seen by the  Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) instrument. Includes both large-scale and convective cloud."}}, "Amon": {"clt": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total cloud area fraction (reported as a percentage) for the whole atmospheric column, as seen from the surface or the top of the atmosphere. Includes both large-scale and convective cloud."}}, "Eday": {"clt": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total cloud area fraction (reported as a percentage) for the whole atmospheric column, as seen from the surface or the top of the atmosphere. Includes both large-scale and convective cloud."}}, "day": {"clt": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total cloud area fraction (reported as a percentage) for the whole atmospheric column, as seen from the surface or the top of the atmosphere. Includes both large-scale and convective cloud."}}, "3hr": {"clt": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total cloud area fraction (reported as a percentage) for the whole atmospheric column, as seen from the surface or the top of the atmosphere. Includes both large-scale and convective cloud."}}, "Emon": {"cltmodis": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total cloud area fraction (reported as a percentage) for the whole atmospheric column, as seen by the  Moderate Resolution Imaging Spectroradiometer (MODIS). Includes both large-scale and convective cloud."}}, "CFmon": {"cltcalipso": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total cloud area fraction (reported as a percentage) for the whole atmospheric column, as seen by the  Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) instrument. Includes both large-scale and convective cloud."}, "cltisccp": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total cloud area fraction (reported as a percentage) for the whole atmospheric column, as seen by the International Satellite Cloud Climatology Project (ISCCP) analysis. Includes both large-scale and convective cloud.  (MODIS). Includes both large-scale and convective cloud."}}, "CFsubhr": {"clt": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Total cloud area fraction (reported as a percentage) for the whole atmospheric column, as seen from the surface or the top of the atmosphere. Includes both large-scale and convective cloud."}}}, "convective_cloud_area_fraction": {"CF3hr": {"cltc": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Convective cloud area fraction (reported as a percentage) for the whole atmospheric column, as seen from the surface or the top of the atmosphere. Includes only convective cloud."}}, "AERmon": {"cltc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Convective cloud area fraction (reported as a percentage) for the whole atmospheric column, as seen from the surface or the top of the atmosphere. Includes only convective cloud."}}}, "mass_fraction_of_convective_cloud_liquid_water_in_air": {"CF3hr": {"clwc": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Calculated as the mass of convective cloud liquid water in the grid cell divided by the mass of air (including the water in all phases) in the grid cell.  This includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}, "CFmon": {"clwc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Calculated as the mass of convective cloud liquid water in the grid cell divided by the mass of air (including the water in all phases) in the grid cell.  This includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}}, "mass_fraction_of_stratiform_cloud_liquid_water_in_air": {"CF3hr": {"clws": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Calculated as the mass of stratiform cloud liquid water in the grid cell divided by the mass of air (including the water in all phases) in the grid cell.  This includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}, "CFmon": {"clws": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Calculated as the mass of stratiform cloud liquid water in the grid cell divided by the mass of air (including the water in all phases) in the grid cell.  This includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}}, "atmosphere_mass_content_of_cloud_condensed_water": {"CF3hr": {"clwvi": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Mass of condensed (liquid + ice) water in the column divided by the area of the column (not just the area of the cloudy portion of the column). Includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}, "CFday": {"clwvi": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Mass of condensed (liquid + ice) water in the column divided by the area of the column (not just the area of the cloudy portion of the column). Includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}, "Amon": {"clwvi": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Mass of condensed (liquid + ice) water in the column divided by the area of the column (not just the area of the cloudy portion of the column). Includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}, "E3hr": {"clwvi": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Mass of condensed (liquid + ice) water in the column divided by the area of the column (not just the area of the cloudy portion of the column). Includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}, "CFsubhr": {"clwvi": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Mass of condensed (liquid + ice) water in the column divided by the area of the column (not just the area of the cloudy portion of the column). Includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}}, "convective_cloud_longwave_emissivity": {"CF3hr": {"demc": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "This is the in-cloud emissivity obtained by considering only the cloudy portion of the grid cell."}}}, "stratiform_cloud_longwave_emissivity": {"CF3hr": {"dems": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "This is the in-cloud emissivity obtained by considering only the cloudy portion of the grid cell."}}}, "atmosphere_optical_thickness_due_to_convective_cloud": {"CF3hr": {"dtauc": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "This is the in-cloud optical depth obtained by considering only the cloudy portion of the grid cell"}}, "6hrPlevPt": {"dtauc": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "This is the in-cloud optical depth obtained by considering only the cloudy portion of the grid cell"}}}, "atmosphere_optical_thickness_due_to_stratiform_cloud": {"CF3hr": {"dtaus": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "This is the in-cloud optical depth obtained by considering only the cloudy portion of the grid cell."}}, "6hrPlevPt": {"dtaus": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "This is the in-cloud optical depth obtained by considering only the cloudy portion of the grid cell."}}}, "water_evapotranspiration_flux": {"CF3hr": {"evspsbl": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Evaporation at surface (also known as evapotranspiration): flux of water into the atmosphere due to conversion of both liquid and solid phases to vapor (from underlying surface and vegetation)"}}, "Amon": {"evspsbl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Evaporation at surface (also known as evapotranspiration): flux of water into the atmosphere due to conversion of both liquid and solid phases to vapor (from underlying surface and vegetation)"}}, "Eday": {"esn": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Water here means water in all phases. Evaporation is the conversion of liquid or solid into vapor. (The conversion of solid alone into vapor is called 'sublimation'.) In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics. Unless indicated in the cell_methods attribute, a quantity is assumed to apply to the whole area of each horizontal grid box. Previously, the qualifier where_type was used to specify that the quantity applies only to the part of the grid box of the named type.  Names containing the where_type qualifier are deprecated and newly created data should use the cell_methods attribute to indicate the horizontal area to which the quantity applies."}, "evspsbl": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Evaporation at surface (also known as evapotranspiration): flux of water into the atmosphere due to conversion of both liquid and solid phases to vapor (from underlying surface and vegetation)"}}, "SImon": {"sidmassevapsubl": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "The rate of change of sea-ice mass change through evaporation and sublimation divided by grid-cell area"}}, "Omon": {"evs": {"cell_methods": "area: mean where ice_free_sea over sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "computed as the total mass of water vapor evaporating from the ice-free portion of the ocean  divided by the area of the ocean portion of the grid cell."}}, "CFsubhr": {"evspsbl": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Evaporation at surface (also known as evapotranspiration): flux of water into the atmosphere due to conversion of both liquid and solid phases to vapor (from underlying surface and vegetation)"}}}, "stratiform_graupel_flux": {"CF3hr": {"grpllsprof": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time1", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics. Stratiform precipitation, whether liquid or frozen, is precipitation that formed in stratiform cloud. Graupel consists of heavily rimed snow particles, often called snow pellets; often indistinguishable from very small soft hail except when the size convention that hail must have a diameter greater than 5 mm is adopted. Reference: American Meteorological Society Glossary http://glossary.ametsoc.org/wiki/Graupel. There are also separate standard names for hail. Standard names for 'graupel_and_hail' should be used to describe data produced by models that do not distinguish between hail and graupel."}}}, "mass_fraction_of_water_in_air": {"CF3hr": {"h2o": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "includes all phases of water"}}, "AERmonZ": {"h2o": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "includes all phases of water"}}, "AERmon": {"h2o": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "includes all phases of water"}}}, "surface_upward_latent_heat_flux": {"CF3hr": {"hfls": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'Upward' indicates a vector component which is positive when directed upward (negative downward). The surface latent heat flux is the exchange of heat between the surface and the air on account of evaporation (including sublimation). In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "Esubhr": {"hfls": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'Upward' indicates a vector component which is positive when directed upward (negative downward). The surface latent heat flux is the exchange of heat between the surface and the air on account of evaporation (including sublimation). In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "Amon": {"hfls": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'Upward' indicates a vector component which is positive when directed upward (negative downward). The surface latent heat flux is the exchange of heat between the surface and the air on account of evaporation (including sublimation). In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "Eday": {"hfls": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'Upward' indicates a vector component which is positive when directed upward (negative downward). The surface latent heat flux is the exchange of heat between the surface and the air on account of evaporation (including sublimation). In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "ImonAnt": {"hfls": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'Upward' indicates a vector component which is positive when directed upward (negative downward). The surface latent heat flux is the exchange of heat between the surface and the air on account of evaporation (including sublimation). In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "day": {"hfls": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'Upward' indicates a vector component which is positive when directed upward (negative downward). The surface latent heat flux is the exchange of heat between the surface and the air on account of evaporation (including sublimation). In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "3hr": {"hfls": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'Upward' indicates a vector component which is positive when directed upward (negative downward). The surface latent heat flux is the exchange of heat between the surface and the air on account of evaporation (including sublimation). In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "SImon": {"sifllatstop": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconca)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "the net latent heat flux over sea ice"}}, "Emon": {"hflsLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'Upward' indicates a vector component which is positive when directed upward (negative downward). The surface latent heat flux is the exchange of heat between the surface and the air on account of evaporation (including sublimation). In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "LImon": {"hflsIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Upward latent heat flux from the ice sheet surface"}}, "ImonGre": {"hfls": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'Upward' indicates a vector component which is positive when directed upward (negative downward). The surface latent heat flux is the exchange of heat between the surface and the air on account of evaporation (including sublimation). In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "CFsubhr": {"hfls": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'Upward' indicates a vector component which is positive when directed upward (negative downward). The surface latent heat flux is the exchange of heat between the surface and the air on account of evaporation (including sublimation). In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}}, "surface_upward_sensible_heat_flux": {"CF3hr": {"hfss": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "The surface sensible heat flux, also called turbulent heat flux, is the exchange of heat between the surface and the air by motion of air."}}, "Esubhr": {"hfss": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "The surface sensible heat flux, also called turbulent heat flux, is the exchange of heat between the surface and the air by motion of air."}}, "Amon": {"hfss": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface sensible heat flux, also called turbulent heat flux, is the exchange of heat between the surface and the air by motion of air."}}, "Eday": {"hfss": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface sensible heat flux, also called turbulent heat flux, is the exchange of heat between the surface and the air by motion of air."}}, "ImonAnt": {"hfss": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "The surface sensible heat flux, also called turbulent heat flux, is the exchange of heat between the surface and the air by motion of air."}}, "day": {"hfss": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface sensible heat flux, also called turbulent heat flux, is the exchange of heat between the surface and the air by motion of air."}}, "3hr": {"hfss": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface sensible heat flux, also called turbulent heat flux, is the exchange of heat between the surface and the air by motion of air."}}, "SImon": {"siflsenstop": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconca)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "the net sensible heat flux over sea ice"}}, "Emon": {"hfssLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "Upward sensible heat flux on land use tiles. The surface sensible heat flux, also called turbulent heat flux, is the exchange of heat between the surface and the air by motion of air."}}, "LImon": {"hfssIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Upward sensible heat flux from the ice sheet surface. The surface sensible heat flux, also called turbulent heat flux, is the exchange of heat between the surface and the air by motion of air."}}, "ImonGre": {"hfss": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "The surface sensible heat flux, also called turbulent heat flux, is the exchange of heat between the surface and the air by motion of air."}}, "CFsubhr": {"hfss": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "The surface sensible heat flux, also called turbulent heat flux, is the exchange of heat between the surface and the air by motion of air."}}}, "relative_humidity": {"CF3hr": {"hurs": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 height2m", "comment": "The relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C."}}, "CFday": {"hur": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "The relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C."}}, "6hrPlev": {"hurs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "The relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C."}}, "Amon": {"hur": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "The relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C."}, "hurs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "The relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C."}}, "Eday": {"hursminCrop": {"cell_methods": "area: mean where crops time: minimum", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "The relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C."}}, "day": {"hur": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev8 time", "comment": "The relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C."}, "hurs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "The relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C."}, "hursmax": {"cell_methods": "area: mean time: maximum", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "The relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C."}, "hursmin": {"cell_methods": "area: mean time: minimum", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "The relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C."}}, "Emon": {"hursminCrop": {"cell_methods": "area: mean where crops time: minimum within days time: mean over days", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "The relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C."}}, "CFmon": {"hur": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "The relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C."}}, "CFsubhr": {"hur": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "The relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C."}, "hurs": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1 height2m", "comment": "The relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C."}}}, "air_pressure": {"CF3hr": {"pfull": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Air pressure on model levels"}, "phalf": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time1", "comment": "Air pressure on model half-levels"}}, "CFday": {"pfull": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Air pressure on model levels"}, "phalf": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Air pressure on model half-levels"}}, "Amon": {"pfull": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time2", "comment": "Air pressure on model levels"}, "phalf": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time2", "comment": "Air pressure on model half-levels"}}, "AERmon": {"pfull": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Air pressure on model levels"}, "phalf": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Air pressure on model half-levels"}}, "CFsubhr": {"pfull": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Air pressure on model levels"}, "phalf": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevhalf site time1", "comment": "Air pressure on model half-levels"}}, "6hrLev": {"pfull": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Air pressure on model levels"}}}, "precipitation_flux": {"CF3hr": {"pr": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "includes both liquid and solid phases"}}, "6hrPlev": {"pr": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "includes both liquid and solid phases"}, "prhmax": {"cell_methods": "area: mean time: mean within hours time: maximum over hours", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "Esubhr": {"pr": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "includes both liquid and solid phases"}}, "E1hr": {"pr": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "includes both liquid and solid phases"}}, "Amon": {"pr": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "includes both liquid and solid phases"}}, "Eday": {"prCrop": {"cell_methods": "area: time: mean where crops (comment: mask=cropFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "includes both liquid and solid phases"}, "prhmax": {"cell_methods": "area: mean time: mean within hours time: maximum over hours", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "day": {"pr": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "includes both liquid and solid phases"}}, "3hr": {"pr": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "includes both liquid and solid phases"}}, "Emon": {"prCrop": {"cell_methods": "area: time: mean where crops (comment: mask=cropFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "includes both liquid and solid phases"}, "prhmax": {"cell_methods": "area: mean time: mean within hours time: maximum over hours", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "CFsubhr": {"pr": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "includes both liquid and solid phases"}}}, "convective_precipitation_flux": {"CF3hr": {"prc": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Convective precipitation at surface; includes both liquid and solid phases."}}, "Esubhr": {"prc": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Convective precipitation at surface; includes both liquid and solid phases."}}, "E1hr": {"prc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Convective precipitation at surface; includes both liquid and solid phases."}}, "Amon": {"prc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Convective precipitation at surface; includes both liquid and solid phases."}}, "day": {"prc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Convective precipitation at surface; includes both liquid and solid phases."}}, "3hr": {"prc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Convective precipitation at surface; includes both liquid and solid phases."}}, "CFsubhr": {"prc": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Convective precipitation at surface; includes both liquid and solid phases."}}}, "convective_rainfall_flux": {"CF3hr": {"prcprof": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time1", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "Eday": {"prrc": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "E3hr": {"prrc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}}, "stratiform_snowfall_flux": {"CF3hr": {"prlsns": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time1", "comment": "large-scale precipitation of all forms of water in the solid phase."}}}, "stratiform_rainfall_flux": {"CF3hr": {"prlsprof": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time1", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.  Stratiform precipitation, whether liquid or frozen, is precipitation that formed in stratiform cloud."}}}, "snowfall_flux": {"CF3hr": {"prsn": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "At surface; includes precipitation of all forms of water in the solid phase"}}, "Amon": {"prsn": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "At surface; includes precipitation of all forms of water in the solid phase"}}, "ImonAnt": {"prsn": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "At surface; includes precipitation of all forms of water in the solid phase"}}, "day": {"prsn": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "At surface; includes precipitation of all forms of water in the solid phase"}}, "3hr": {"prsn": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "At surface; includes precipitation of all forms of water in the solid phase"}}, "SImon": {"sndmasssnf": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "mass of solid precipitation falling onto sea ice divided by sea-ice area"}}, "LImon": {"prsnIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "at surface; includes precipitation of all forms of water in the solid phase"}}, "ImonGre": {"prsn": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "At surface; includes precipitation of all forms of water in the solid phase"}}, "Omon": {"prsn": {"cell_methods": "area: mean where ice_free_sea over sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "At surface; includes precipitation of all forms of water in the solid phase"}}, "CFsubhr": {"prsn": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "At surface; includes precipitation of all forms of water in the solid phase"}}}, "convective_snowfall_flux": {"CF3hr": {"prsnc": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time1", "comment": "convective precipitation of all forms of water in the solid phase."}}, "Eday": {"prsnc": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "convective precipitation of all forms of water in the solid phase."}}, "E3hr": {"prsnc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "convective precipitation of all forms of water in the solid phase."}}}, "atmosphere_mass_content_of_water_vapor": {"CF3hr": {"prw": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "vertically integrated through the atmospheric column"}}, "Esubhr": {"prw": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "vertically integrated through the atmospheric column"}}, "Amon": {"prw": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "vertically integrated through the atmospheric column"}}, "Eday": {"prw": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "vertically integrated through the atmospheric column"}}, "E3hr": {"prw": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "vertically integrated through the atmospheric column"}}, "CFsubhr": {"prw": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "vertically integrated through the atmospheric column"}}}, "surface_air_pressure": {"CF3hr": {"ps": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "surface pressure (not mean sea-level pressure), 2-D field to calculate the 3-D pressure field from hybrid coordinates"}}, "CFday": {"ps": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "surface pressure (not mean sea-level pressure), 2-D field to calculate the 3-D pressure field from hybrid coordinates"}}, "Esubhr": {"ps": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "surface pressure (not mean sea-level pressure), 2-D field to calculate the 3-D pressure field from hybrid coordinates"}}, "AERhr": {"ps": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "surface pressure (not mean sea-level pressure), 2-D field to calculate the 3-D pressure field from hybrid coordinates"}}, "Efx": {"ps": {"cell_methods": "area: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude", "comment": "surface pressure (not mean sea-level pressure), 2-D field to calculate the 3-D pressure field from hybrid coordinates"}}, "E3hrPt": {"ps": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "surface pressure (not mean sea-level pressure), 2-D field to calculate the 3-D pressure field from hybrid coordinates"}}, "Amon": {"ps": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "surface pressure (not mean sea-level pressure), 2-D field to calculate the 3-D pressure field from hybrid coordinates"}}, "3hr": {"ps": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "surface pressure (not mean sea-level pressure), 2-D field to calculate the 3-D pressure field from hybrid coordinates"}}, "Emon": {"ps": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "surface pressure (not mean sea-level pressure), 2-D field to calculate the 3-D pressure field from hybrid coordinates"}}, "CFmon": {"ps": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "surface pressure (not mean sea-level pressure), 2-D field to calculate the 3-D pressure field from hybrid coordinates"}}, "AERmon": {"ps": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "surface pressure (not mean sea-level pressure), 2-D field to calculate the 3-D pressure field from hybrid coordinates"}}, "CFsubhr": {"ps": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "surface pressure (not mean sea-level pressure), 2-D field to calculate the 3-D pressure field from hybrid coordinates"}}, "6hrLev": {"ps": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "surface pressure (not mean sea-level pressure), 2-D field to calculate the 3-D pressure field from hybrid coordinates"}}}, "air_pressure_at_mean_sea_level": {"CF3hr": {"psl": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Sea Level Pressure"}}, "6hrPlev": {"psl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Sea Level Pressure"}}, "E1hr": {"psl": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Sea Level Pressure"}}, "Amon": {"psl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Sea Level Pressure"}}, "E3hr": {"psl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Sea Level Pressure"}}, "day": {"psl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Sea Level Pressure"}}, "6hrPlevPt": {"psl": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Sea Level Pressure"}}, "CFsubhr": {"psl": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Sea Level Pressure"}}}, "effective_radius_of_convective_cloud_ice_particles": {"CF3hr": {"reffclic": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "This is defined as the in-cloud ratio of the third moment over the second moment of the particle size distribution (obtained by considering only the cloudy portion of the grid cell)."}}, "Esubhr": {"reffclic": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "This is defined as the in-cloud ratio of the third moment over the second moment of the particle size distribution (obtained by considering only the cloudy portion of the grid cell)."}}, "Emon": {"reffclic": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "This is defined as the in-cloud ratio of the third moment over the second moment of the particle size distribution (obtained by considering only the cloudy portion of the grid cell)."}}}, "effective_radius_of_stratiform_cloud_ice_particles": {"CF3hr": {"reffclis": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "This is defined as the in-cloud ratio of the third moment over the second moment of the particle size distribution (obtained by considering only the cloudy portion of the grid cell)."}}, "Esubhr": {"reffclis": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "This is defined as the in-cloud ratio of the third moment over the second moment of the particle size distribution (obtained by considering only the cloudy portion of the grid cell)."}}, "Emon": {"reffclis": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "This is defined as the in-cloud ratio of the third moment over the second moment of the particle size distribution (obtained by considering only the cloudy portion of the grid cell)."}}}, "effective_radius_of_convective_cloud_liquid_water_particles": {"CF3hr": {"reffclwc": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Droplets are liquid.  The effective radius is defined as the ratio of the third moment over the second moment of the particle size distribution and the time-mean should be calculated, weighting the individual samples by the cloudy fraction of the grid cell."}}, "Esubhr": {"reffclwc": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Droplets are liquid.  The effective radius is defined as the ratio of the third moment over the second moment of the particle size distribution and the time-mean should be calculated, weighting the individual samples by the cloudy fraction of the grid cell."}}, "Emon": {"reffclwc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Droplets are liquid.  The effective radius is defined as the ratio of the third moment over the second moment of the particle size distribution and the time-mean should be calculated, weighting the individual samples by the cloudy fraction of the grid cell."}}}, "effective_radius_of_stratiform_cloud_liquid_water_particles": {"CF3hr": {"reffclws": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Droplets are liquid.  The effective radius is defined as the ratio of the third moment over the second moment of the particle size distribution and the time-mean should be calculated, weighting the individual samples by the cloudy fraction of the grid cell."}}, "Esubhr": {"reffclws": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Droplets are liquid.  The effective radius is defined as the ratio of the third moment over the second moment of the particle size distribution and the time-mean should be calculated, weighting the individual samples by the cloudy fraction of the grid cell."}}, "Emon": {"reffclws": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Droplets are liquid.  The effective radius is defined as the ratio of the third moment over the second moment of the particle size distribution and the time-mean should be calculated, weighting the individual samples by the cloudy fraction of the grid cell."}}}, "effective_radius_of_stratiform_cloud_graupel_particles": {"CF3hr": {"reffgrpls": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "This is defined as the in-cloud ratio of the third moment over the second moment of the particle size distribution (obtained by considering only the cloudy portion of the grid cell)."}}}, "effective_radius_of_convective_cloud_rain_particles": {"CF3hr": {"reffrainc": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "This is defined as the in-cloud ratio of the third moment over the second moment of the particle size distribution (obtained by considering only the cloudy portion of the grid cell)."}}}, "effective_radius_of_stratiform_cloud_rain_particles": {"CF3hr": {"reffrains": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "This is defined as the in-cloud ratio of the third moment over the second moment of the particle size distribution (obtained by considering only the cloudy portion of the grid cell)."}}}, "effective_radius_of_convective_cloud_snow_particles": {"CF3hr": {"reffsnowc": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "This is defined as the in-cloud ratio of the third moment over the second moment of the particle size distribution (obtained by considering only the cloudy portion of the grid cell)."}}}, "effective_radius_of_stratiform_cloud_snow_particles": {"CF3hr": {"reffsnows": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "This is defined as the in-cloud ratio of the third moment over the second moment of the particle size distribution (obtained by considering only the cloudy portion of the grid cell)."}}}, "surface_downwelling_longwave_flux_in_air": {"CF3hr": {"rlds": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Downwelling radiation is radiation from above. It does not mean 'net downward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "Amon": {"rlds": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Downwelling radiation is radiation from above. It does not mean 'net downward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "ImonAnt": {"rlds": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Downwelling radiation is radiation from above. It does not mean 'net downward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "day": {"rlds": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Downwelling radiation is radiation from above. It does not mean 'net downward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "3hr": {"rlds": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Downwelling radiation is radiation from above. It does not mean 'net downward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "SImon": {"sifllwdtop": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconca)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "the downwelling longwave flux over sea ice (always positive)"}}, "LImon": {"rldsIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Downwelling radiation is radiation from above. It does not mean 'net downward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "ImonGre": {"rlds": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Downwelling radiation is radiation from above. It does not mean 'net downward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "CFsubhr": {"rlds": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Downwelling radiation is radiation from above. It does not mean 'net downward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}}, "surface_downwelling_longwave_flux_in_air_assuming_clear_sky": {"CF3hr": {"rldscs": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Surface downwelling clear-sky longwave radiation"}}, "CFday": {"rldscs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface downwelling clear-sky longwave radiation"}}, "Amon": {"rldscs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface downwelling clear-sky longwave radiation"}}, "3hr": {"rldscs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface downwelling clear-sky longwave radiation"}}, "CFsubhr": {"rldscs": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Surface downwelling clear-sky longwave radiation"}}}, "surface_upwelling_longwave_flux_in_air": {"CF3hr": {"rlus": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "Amon": {"rlus": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "ImonAnt": {"rlus": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "day": {"rlus": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "3hr": {"rlus": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "SImon": {"sifllwutop": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconca)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "the upwelling longwave flux over sea ice (always negative)"}}, "Emon": {"rlusLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "LImon": {"rlusIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "ImonGre": {"rlus": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "CFsubhr": {"rlus": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}}, "toa_outgoing_longwave_flux": {"CF3hr": {"rlut": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "at the top of the atmosphere (to be compared with satellite measurements)"}}, "Esubhr": {"rlut": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "at the top of the atmosphere (to be compared with satellite measurements)"}}, "E1hrClimMon": {"rlut": {"cell_methods": "area: mean time: mean within days time: mean over days", "cell_measures": "area: areacella", "dimensions": "longitude latitude time3", "comment": "at the top of the atmosphere (to be compared with satellite measurements)"}}, "E1hr": {"rlut": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "at the top of the atmosphere (to be compared with satellite measurements)"}}, "Amon": {"rlut": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "at the top of the atmosphere (to be compared with satellite measurements)"}}, "E3hr": {"rlut": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "at the top of the atmosphere (to be compared with satellite measurements)"}}, "day": {"rlut": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "at the top of the atmosphere (to be compared with satellite measurements)"}}, "CFmon": {"rlut4co2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Top-of-atmosphere outgoing longwave radiation calculated using carbon dioxide concentrations increased fourfold"}}, "AERmon": {"rlutaf": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Flux corresponding to rlut resulting from aerosol-free call to radiation, following Ghan (ACP, 2013)"}}, "CFsubhr": {"rlut": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "at the top of the atmosphere (to be compared with satellite measurements)"}}}, "toa_outgoing_longwave_flux_assuming_clear_sky": {"CF3hr": {"rlutcs": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Upwelling clear-sky longwave radiation at top of atmosphere"}}, "CFday": {"rlutcs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Upwelling clear-sky longwave radiation at top of atmosphere"}}, "E1hrClimMon": {"rlutcs": {"cell_methods": "area: mean time: mean within days time: mean over days", "cell_measures": "area: areacella", "dimensions": "longitude latitude time3", "comment": "Upwelling clear-sky longwave radiation at top of atmosphere"}}, "Amon": {"rlutcs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Upwelling clear-sky longwave radiation at top of atmosphere"}}, "E3hr": {"rlutcs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Upwelling clear-sky longwave radiation at top of atmosphere"}}, "CFmon": {"rlutcs4co2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Top-of-atmosphere outgoing clear-sky longwave radiation calculated using carbon dioxide concentrations increased fourfold"}}, "AERmon": {"rlutcsaf": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Flux corresponding to rlutcs resulting from aerosol-free call to radiation, following Ghan (ACP, 2013)"}}, "CFsubhr": {"rlutcs": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Upwelling clear-sky longwave radiation at top of atmosphere"}}}, "surface_downwelling_shortwave_flux_in_air": {"CF3hr": {"rsds": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Surface solar irradiance for UV calculations."}}, "Amon": {"rsds": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface solar irradiance for UV calculations."}}, "ImonAnt": {"rsds": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Surface solar irradiance for UV calculations."}}, "day": {"rsds": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface solar irradiance for UV calculations."}}, "3hr": {"rsds": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface solar irradiance for UV calculations."}}, "SImon": {"siflswdtop": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconca)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The downwelling shortwave flux over sea ice (always positive by sign convention)"}}, "LImon": {"rsdsIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface solar irradiance for UV calculations"}}, "ImonGre": {"rsds": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Surface solar irradiance for UV calculations."}}, "CFsubhr": {"rsds": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Surface solar irradiance for UV calculations."}}}, "surface_downwelling_shortwave_flux_in_air_assuming_clear_sky": {"CF3hr": {"rsdscs": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Surface solar irradiance clear sky for UV calculations"}}, "CFday": {"rsdscs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface solar irradiance clear sky for UV calculations"}}, "E3hrPt": {"rsdscsbnd": {"cell_methods": "time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude spectband time1", "comment": "Calculated with aerosols but without clouds. This is a standard clear-sky calculation"}}, "Amon": {"rsdscs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface solar irradiance clear sky for UV calculations"}}, "3hr": {"rsdscs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface solar irradiance clear sky for UV calculations"}}, "CFsubhr": {"rsdscs": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Surface solar irradiance clear sky for UV calculations"}}}, "toa_incoming_shortwave_flux": {"CF3hr": {"rsdt": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Shortwave radiation incident at the top of the atmosphere"}}, "CFday": {"rsdt": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Shortwave radiation incident at the top of the atmosphere"}}, "Esubhr": {"rsdt": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Shortwave radiation incident at the top of the atmosphere"}}, "E1hrClimMon": {"rsdt": {"cell_methods": "area: mean time: mean within days time: mean over days", "cell_measures": "area: areacella", "dimensions": "longitude latitude time3", "comment": "Shortwave radiation incident at the top of the atmosphere"}}, "E3hrPt": {"solbnd": {"cell_methods": "time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude spectband time1", "comment": "Solar irradiance at a horizontal surface at top of atmosphere."}}, "Amon": {"rsdt": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Shortwave radiation incident at the top of the atmosphere"}}, "E3hr": {"rsdt": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Shortwave radiation incident at the top of the atmosphere"}}, "CFsubhr": {"rsdt": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Shortwave radiation incident at the top of the atmosphere"}}}, "surface_upwelling_shortwave_flux_in_air": {"CF3hr": {"rsus": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'shortwave' means shortwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "Amon": {"rsus": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'shortwave' means shortwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "ImonAnt": {"rsus": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'shortwave' means shortwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "day": {"rsus": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'shortwave' means shortwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "3hr": {"rsus": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'shortwave' means shortwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "SImon": {"siflswutop": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconca)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The upwelling shortwave flux over sea ice (always negative)"}}, "Emon": {"rsusLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'shortwave' means shortwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "LImon": {"rsusIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'shortwave' means shortwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "ImonGre": {"rsus": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'shortwave' means shortwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "CFsubhr": {"rsus": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'shortwave' means shortwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}}, "surface_upwelling_shortwave_flux_in_air_assuming_clear_sky": {"CF3hr": {"rsuscs": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Surface Upwelling Clear-sky Shortwave Radiation"}}, "CFday": {"rsuscs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface Upwelling Clear-sky Shortwave Radiation"}}, "E3hrPt": {"rsuscsbnd": {"cell_methods": "time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude spectband time1", "comment": "Calculated with aerosols but without clouds. This is a standard clear-sky calculation"}}, "Amon": {"rsuscs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface Upwelling Clear-sky Shortwave Radiation"}}, "3hr": {"rsuscs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface Upwelling Clear-sky Shortwave Radiation"}}, "CFsubhr": {"rsuscs": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Surface Upwelling Clear-sky Shortwave Radiation"}}}, "toa_outgoing_shortwave_flux": {"CF3hr": {"rsut": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "at the top of the atmosphere"}}, "CFday": {"rsut": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "at the top of the atmosphere"}}, "Esubhr": {"rsut": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "at the top of the atmosphere"}}, "E1hrClimMon": {"rsut": {"cell_methods": "area: mean time: mean within days time: mean over days", "cell_measures": "area: areacella", "dimensions": "longitude latitude time3", "comment": "at the top of the atmosphere"}}, "Amon": {"rsut": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "at the top of the atmosphere"}}, "E3hr": {"rsut": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "at the top of the atmosphere"}}, "CFmon": {"rsut4co2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "TOA Outgoing Shortwave Radiation calculated using carbon dioxide concentrations increased fourfold"}}, "AERmon": {"rsutaf": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Flux corresponding to rsut resulting from aerosol-free call to radiation, following Ghan (ACP, 2013)"}}, "CFsubhr": {"rsut": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "at the top of the atmosphere"}}}, "toa_outgoing_shortwave_flux_assuming_clear_sky": {"CF3hr": {"rsutcs": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Calculated in the absence of clouds."}}, "CFday": {"rsutcs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Calculated in the absence of clouds."}}, "E1hrClimMon": {"rsutcs": {"cell_methods": "area: mean time: mean within days time: mean over days", "cell_measures": "area: areacella", "dimensions": "longitude latitude time3", "comment": "Calculated in the absence of clouds."}}, "E3hrPt": {"rsutcsbnd": {"cell_methods": "time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude spectband time1", "comment": "Calculated with aerosols but without clouds. This is a standard clear-sky calculation"}}, "Amon": {"rsutcs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Calculated in the absence of clouds."}}, "E3hr": {"rsutcs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Calculated in the absence of clouds."}}, "CFmon": {"rsutcs4co2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "TOA Outgoing Clear-Sky Shortwave Radiation calculated using carbon dioxide concentrations increased fourfold"}}, "CFsubhr": {"rsutcs": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Calculated in the absence of clouds."}}}, "net_downward_radiative_flux_at_top_of_atmosphere_model": {"CF3hr": {"rtmt": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Net Downward Radiative Flux at Top of Model : I.e., at the top of that portion of the atmosphere where dynamics are explicitly treated by the model. This is reported only if it differs from the net downward radiative flux at the top of the atmosphere."}}, "Amon": {"rtmt": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Net Downward Radiative Flux at Top of Model : I.e., at the top of that portion of the atmosphere where dynamics are explicitly treated by the model. This is reported only if it differs from the net downward radiative flux at the top of the atmosphere."}}, "CFsubhr": {"rtmt": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Net Downward Radiative Flux at Top of Model : I.e., at the top of that portion of the atmosphere where dynamics are explicitly treated by the model. This is reported only if it differs from the net downward radiative flux at the top of the atmosphere."}}}, "tendency_of_atmosphere_mass_content_of_water_vapor_due_to_sublimation_of_surface_snow_and_ice": {"CF3hr": {"sbl": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "The snow and ice sublimation flux is the loss of snow and ice mass per unit area from the surface resulting from their direct conversion to water vapor that enters the atmosphere."}}, "Amon": {"sbl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The snow and ice sublimation flux is the loss of snow and ice mass per unit area from the surface resulting from their direct conversion to water vapor that enters the atmosphere."}}, "Eday": {"sbl": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The snow and ice sublimation flux is the loss of snow and ice mass per unit area from the surface resulting from their direct conversion to water vapor that enters the atmosphere."}}, "ImonAnt": {"sbl": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "The snow and ice sublimation flux is the loss of snow and ice mass per unit area from the surface resulting from their direct conversion to water vapor that enters the atmosphere."}}, "SImon": {"sndmasssubl": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "the rate of change of snow mass through sublimation and evaporation divided by sea-ice area"}}, "LImon": {"sbl": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The snow and ice sublimation flux is the loss of snow and ice mass per unit area from the surface resulting from their direct conversion to water vapor that enters the atmosphere."}, "sblIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The snow and ice sublimation flux is the loss of snow and ice mass per unit area from the surface resulting from their direct conversion to water vapor that enters the atmosphere."}}, "ImonGre": {"sbl": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "The snow and ice sublimation flux is the loss of snow and ice mass per unit area from the surface resulting from their direct conversion to water vapor that enters the atmosphere."}}, "CFsubhr": {"sbl": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "The snow and ice sublimation flux is the loss of snow and ice mass per unit area from the surface resulting from their direct conversion to water vapor that enters the atmosphere."}}}, "shallow_convection_time_fraction": {"CF3hr": {"sci": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Fraction of time that shallow convection occurs in the grid cell."}}, "Amon": {"sci": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Fraction of time that shallow convection occurs in the grid cell."}}, "CFsubhr": {"sci": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Fraction of time that shallow convection occurs in the grid cell."}}}, "wind_speed": {"CF3hr": {"sfcWind": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 height10m", "comment": "near-surface (usually, 10 meters) wind speed."}}, "6hrPlev": {"sfcWind": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height10m", "comment": "near-surface (usually, 10 meters) wind speed."}}, "Amon": {"sfcWind": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height10m", "comment": "near-surface (usually, 10 meters) wind speed."}}, "E3hr": {"sfcWind": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height10m", "comment": "near-surface (usually, 10 meters) wind speed."}}, "day": {"sfcWind": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height10m", "comment": "near-surface (usually, 10 meters) wind speed."}, "sfcWindmax": {"cell_methods": "area: mean time: maximum", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height10m", "comment": "Daily maximum near-surface (usually, 10 meters) wind speed."}}, "Emon": {"sfcWindmax": {"cell_methods": "area: mean time: maximum within days time: mean over days", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height10m", "comment": "Daily maximum near-surface (usually, 10 meters) wind speed."}}, "6hrPlevPt": {"sfcWind": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 height10m", "comment": "near-surface (usually, 10 meters) wind speed."}}, "CFsubhr": {"sfcWind": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1 height10m", "comment": "near-surface (usually, 10 meters) wind speed."}}}, "air_temperature": {"CF3hr": {"ta": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Air Temperature"}}, "CFday": {"ta": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Air Temperature"}, "ta700": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p700", "comment": "Air temperature at 700hPa"}}, "6hrPlev": {"tas": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "near-surface (usually, 2 meter) air temperature"}}, "Esubhr": {"ta": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Air Temperature"}, "tas": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 height2m", "comment": "near-surface (usually, 2 meter) air temperature"}}, "AERhr": {"tas": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "near-surface (usually, 2 meter) air temperature"}}, "E1hr": {"ta": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev3 time1", "comment": "Air Temperature"}, "ta27": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time1", "comment": "Air Temperature"}}, "EdayZ": {"ta": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev19 time", "comment": "Air Temperature"}}, "E3hrPt": {"ta7h": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev7h time1", "comment": "Air Temperature"}}, "Amon": {"ta": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Air Temperature"}, "tas": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "near-surface (usually, 2 meter) air temperature"}, "tasmax": {"cell_methods": "area: mean time: maximum within days time: mean over days", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "maximum near-surface (usually, 2 meter) air temperature (add cell_method attribute 'time: max')"}, "tasmin": {"cell_methods": "area: mean time: minimum within days time: mean over days", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "minimum near-surface (usually, 2 meter) air temperature (add cell_method attribute 'time: min')"}}, "Eday": {"ta": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Air Temperature"}, "ta500": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p500", "comment": "Temperature on the 500 hPa surface"}, "ta850": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p850", "comment": "Air temperature at 850hPa"}, "tasmaxCrop": {"cell_methods": "area: mean where crops time: maximum", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "maximum near-surface (usually, 2 meter) air temperature (add cell_method attribute 'time: max')"}, "tasminCrop": {"cell_methods": "area: mean where crops time: minimum", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "minimum near-surface (usually, 2 meter) air temperature (add cell_method attribute 'time: min')"}}, "ImonAnt": {"tas": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "", "dimensions": "time height2m", "comment": "near-surface (usually, 2 meter) air temperature"}}, "AERmonZ": {"ta": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Air Temperature"}}, "day": {"ta": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev8 time", "comment": "Air Temperature"}, "tas": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "near-surface (usually, 2 meter) air temperature"}, "tasmax": {"cell_methods": "area: mean time: maximum", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "maximum near-surface (usually, 2 meter) air temperature (add cell_method attribute 'time: max')"}, "tasmin": {"cell_methods": "area: mean time: minimum", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "minimum near-surface (usually, 2 meter) air temperature (add cell_method attribute 'time: min')"}}, "3hr": {"tas": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 height2m", "comment": "near-surface (usually, 2 meter) air temperature"}}, "Emon": {"ta27": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time", "comment": "Air Temperature"}, "tasLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time height2m", "comment": "Air temperature is the bulk temperature of the air, not the surface (skin) temperature."}, "tasmaxCrop": {"cell_methods": "area: mean where crops time: maximum within days time: mean over days", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "maximum near-surface (usually, 2 meter) air temperature (add cell_method attribute 'time: max')"}, "tasminCrop": {"cell_methods": "area: mean where crops time: minimum within days time: mean over days", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "minimum near-surface (usually, 2 meter) air temperature (add cell_method attribute 'time: min')"}}, "6hrPlevPt": {"ta": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev3 time1", "comment": "Air Temperature"}, "ta27": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time1", "comment": "Air Temperature"}, "ta7h": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev7h time1", "comment": "Air Temperature"}, "tas": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 height2m", "comment": "near-surface (usually, 2 meter) air temperature"}}, "LImon": {"tasIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "near-surface (usually, 2 meter) air temperature"}}, "ImonGre": {"tas": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "", "dimensions": "time height2m", "comment": "near-surface (usually, 2 meter) air temperature"}}, "CFmon": {"ta": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Air Temperature"}}, "CFsubhr": {"ta": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Air Temperature"}, "tas": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1 height2m", "comment": "near-surface (usually, 2 meter) air temperature"}}, "6hrLev": {"ta": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Air Temperature"}}}, "surface_downward_eastward_stress": {"CF3hr": {"tauu": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Downward eastward wind stress at the surface"}}, "Amon": {"tauu": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Downward eastward wind stress at the surface"}}, "Eday": {"tauu": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Downward eastward wind stress at the surface"}}, "CFsubhr": {"tauu": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Downward eastward wind stress at the surface"}}}, "surface_downward_northward_stress": {"CF3hr": {"tauv": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Downward northward wind stress at the surface"}}, "Amon": {"tauv": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Downward northward wind stress at the surface"}}, "Eday": {"tauv": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Downward northward wind stress at the surface"}}, "CFsubhr": {"tauv": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Downward northward wind stress at the surface"}}}, "surface_temperature": {"CF3hr": {"ts": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Temperature of the lower boundary of the atmosphere"}}, "Amon": {"ts": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Temperature of the lower boundary of the atmosphere"}}, "Eday": {"tgs": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface bare soil temperature"}, "tr": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Effective radiative surface temperature, averaged over the grid cell"}, "ts": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Temperature of the lower boundary of the atmosphere"}, "tsland": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Temperature of the lower boundary of the atmosphere"}, "tsns": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Temperature of the snow surface as it interacts with the atmosphere, averaged over a grid cell."}}, "ImonAnt": {"ts": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Temperature of the lower boundary of the atmosphere"}}, "day": {"tslsi": {"cell_methods": "area: time: mean (comment: over land and sea ice)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface temperature of all surfaces except open ocean."}}, "3hr": {"tslsi": {"cell_methods": "area: mean (comment: over land and sea ice) time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Surface temperature of all surfaces except open ocean."}}, "Emon": {"tslsiLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "Surface temperature (i.e. temperature at which long-wave radiation emitted)"}}, "6hrPlevPt": {"ts": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Temperature of the lower boundary of the atmosphere"}}, "LImon": {"tsIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Temperature of the lower boundary of the atmosphere"}}, "ImonGre": {"ts": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Temperature of the lower boundary of the atmosphere"}}, "CFsubhr": {"ts": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Temperature of the lower boundary of the atmosphere"}}}, "height_above_reference_ellipsoid": {"CF3hr": {"zfull": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Height of full model levels above a reference ellipsoid. A reference ellipsoid is a mathematical figure that approximates the geoid. The geoid is a surface of constant geopotential with which mean sea level would coincide if the ocean were at rest. The ellipsoid is an approximation because the geoid is an irregular shape. A number of reference ellipsoids are defined for use in the field of geodesy. To specify which reference ellipsoid is being used, a grid_mapping variable should be attached to the data variable as described in Chapter 5.6 of the CF Convention."}, "zhalf": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time1", "comment": "Height of model half-levels above a reference ellipsoid. A reference ellipsoid is a mathematical figure that approximates the geoid. The geoid is a surface of constant geopotential with which mean sea level would coincide if the ocean were at rest. The ellipsoid is an approximation because the geoid is an irregular shape. A number of reference ellipsoids are defined for use in the field of geodesy. To specify which reference ellipsoid is being used, a grid_mapping variable should be attached to the data variable as described in Chapter 5.6 of the CF Convention."}}, "fx": {"zfull": {"cell_methods": "area: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel", "comment": "Height of full model levels above a reference ellipsoid. A reference ellipsoid is a mathematical figure that approximates the geoid. The geoid is a surface of constant geopotential with which mean sea level would coincide if the ocean were at rest. The ellipsoid is an approximation because the geoid is an irregular shape. A number of reference ellipsoids are defined for use in the field of geodesy. To specify which reference ellipsoid is being used, a grid_mapping variable should be attached to the data variable as described in Chapter 5.6 of the CF Convention."}}}, "cloud_albedo": {"CFday": {"albisccp": {"cell_methods": "area: time: mean where cloud", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "ISCCP Mean Cloud Albedo. Time-means are weighted by the ISCCP Total Cloud Fraction {:cltisccp} - see  http://cfmip.metoffice.com/COSP.html"}}, "CFmon": {"albisccp": {"cell_methods": "area: time: mean where cloud", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "ISCCP Mean Cloud Albedo. Time-means are weighted by the ISCCP Total Cloud Fraction {:cltisccp} - see  http://cfmip.metoffice.com/COSP.html"}}}, "air_pressure_at_convective_cloud_base": {"CFday": {"ccb": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Where convective cloud is present in the grid cell, the instantaneous cloud base altitude should be that of the bottom of the lowest level containing convective cloud. Missing data should be reported in the absence of convective cloud. The time mean should be calculated from these quantities averaging over occasions when convective cloud is present only, and should contain missing data for occasions when no convective cloud is present during the meaning period."}}, "Amon": {"ccb": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Where convective cloud is present in the grid cell, the instantaneous cloud base altitude should be that of the bottom of the lowest level containing convective cloud. Missing data should be reported in the absence of convective cloud. The time mean should be calculated from these quantities averaging over occasions when convective cloud is present only, and should contain missing data for occasions when no convective cloud is present during the meaning period."}}, "CFsubhr": {"ccb": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Where convective cloud is present in the grid cell, the instantaneous cloud base altitude should be that of the bottom of the lowest level containing convective cloud. Missing data should be reported in the absence of convective cloud. The time mean should be calculated from these quantities averaging over occasions when convective cloud is present only, and should contain missing data for occasions when no convective cloud is present during the meaning period."}}}, "air_pressure_at_convective_cloud_top": {"CFday": {"cct": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Where convective cloud is present in the grid cell, the instantaneous cloud top altitude should be that of the top of the highest level containing convective cloud. Missing data should be reported in the absence of convective cloud. The time mean should be calculated from these quantities averaging over occasions when convective cloud is present only, and should contain missing data for occasions when no convective cloud is present during the meaning period."}}, "Amon": {"cct": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Where convective cloud is present in the grid cell, the instantaneous cloud top altitude should be that of the top of the highest level containing convective cloud. Missing data should be reported in the absence of convective cloud. The time mean should be calculated from these quantities averaging over occasions when convective cloud is present only, and should contain missing data for occasions when no convective cloud is present during the meaning period."}}, "CFsubhr": {"cct": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "Where convective cloud is present in the grid cell, the instantaneous cloud top altitude should be that of the top of the highest level containing convective cloud. Missing data should be reported in the absence of convective cloud. The time mean should be calculated from these quantities averaging over occasions when convective cloud is present only, and should contain missing data for occasions when no convective cloud is present during the meaning period."}}}, "cloud_area_fraction_in_atmosphere_layer": {"CFday": {"cl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Percentage cloud cover, including both large-scale and convective cloud."}, "clcalipso": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alt40 time", "comment": "Percentage cloud cover in CALIPSO standard atmospheric layers."}, "clhcalipso": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p220", "comment": "Percentage cloud cover in layer centred on 220hPa"}, "clisccp": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev7c tau time", "comment": "Percentage cloud cover in optical depth categories."}, "cllcalipso": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p840", "comment": "Percentage cloud cover in layer centred on 840hPa"}, "clmcalipso": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p560", "comment": "Percentage cloud cover in layer centred on 560hPa"}}, "E3hrPt": {"clcalipso": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alt40 time1", "comment": "Percentage cloud cover in CALIPSO standard atmospheric layers."}, "clcalipso2": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alt40 time1", "comment": "Clouds detected by CALIPSO but below the detectability threshold of CloudSat"}, "clhcalipso": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 p220", "comment": "Percentage cloud cover in layer centred on 220hPa"}, "clisccp": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev7c tau time1", "comment": "Percentage cloud cover in optical depth categories."}, "cllcalipso": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 p840", "comment": "Percentage cloud cover in layer centred on 840hPa"}, "clmcalipso": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 p560", "comment": "Percentage cloud cover in layer centred on 560hPa"}, "clmisr": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alt16 tau time1", "comment": "Cloud percentage in spectral bands and layers as observed by the Multi-angle Imaging SpectroRadiometer (MISR) instrument. The first layer in each profile is reserved for a retrieval error flag."}, "jpdftaureicemodis": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude effectRadIc tau time1", "comment": "Joint probability distribution function, giving probability of cloud as a function of optical thickness and particle size, as measured by MODIS. For cloud ice particles."}, "jpdftaureliqmodis": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude effectRadLi tau time1", "comment": "Joint probability distribution function, giving probability of cloud as a function of optical thickness and particle size, as measured by MODIS. For liquid cloud particles."}}, "Amon": {"cl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Percentage cloud cover, including both large-scale and convective cloud."}}, "Eday": {"jpdftaureicemodis": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude effectRadIc tau time", "comment": "Joint probability distribution function, giving probability of cloud as a function of optical thickness and particle size, as measured by MODIS. For cloud ice particles."}, "jpdftaureliqmodis": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude effectRadLi tau time", "comment": "Joint probability distribution function, giving probability of cloud as a function of optical thickness and particle size, as measured by MODIS. For liquid cloud particles."}}, "Emon": {"clmisr": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alt16 tau time", "comment": "Cloud percentage in spectral bands and layers as observed by the Multi-angle Imaging SpectroRadiometer (MISR) instrument. The first layer in each profile is reserved for a retrieval error flag."}, "jpdftaureicemodis": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude effectRadIc tau time", "comment": "Joint probability distribution function, giving probability of cloud as a function of optical thickness and particle size, as measured by MODIS. For cloud ice particles."}, "jpdftaureliqmodis": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude effectRadLi tau time", "comment": "Joint probability distribution function, giving probability of cloud as a function of optical thickness and particle size, as measured by MODIS. For liquid cloud particles."}}, "CFmon": {"clcalipso": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alt40 time", "comment": "Percentage cloud cover in CALIPSO standard atmospheric layers."}, "clhcalipso": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p220", "comment": "Percentage cloud cover in layer centred on 220hPa"}, "clisccp": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev7c tau time", "comment": "Percentage cloud cover in optical depth categories."}, "cllcalipso": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p840", "comment": "Percentage cloud cover in layer centred on 840hPa"}, "clmcalipso": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p560", "comment": "Percentage cloud cover in layer centred on 560hPa"}}, "CFsubhr": {"cl": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Percentage cloud cover, including both large-scale and convective cloud."}}}, "mass_fraction_of_cloud_ice_in_air": {"CFday": {"cli": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Includes both large-scale and convective cloud. This is calculated as the mass of cloud ice in the grid cell divided by the mass of air (including the water in all phases) in the grid cell. It includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}, "Amon": {"cli": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Includes both large-scale and convective cloud. This is calculated as the mass of cloud ice in the grid cell divided by the mass of air (including the water in all phases) in the grid cell. It includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}, "CFsubhr": {"cli": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Includes both large-scale and convective cloud. This is calculated as the mass of cloud ice in the grid cell divided by the mass of air (including the water in all phases) in the grid cell. It includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}}, "mass_fraction_of_cloud_liquid_water_in_air": {"CFday": {"clw": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Includes both large-scale and convective cloud. Calculate as the mass of cloud liquid water in the grid cell divided by the mass of air (including the water in all phases) in the grid cells. Precipitating hydrometeors are included ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}, "Amon": {"clw": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Includes both large-scale and convective cloud. Calculate as the mass of cloud liquid water in the grid cell divided by the mass of air (including the water in all phases) in the grid cells. Precipitating hydrometeors are included ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}, "CFsubhr": {"clw": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Includes both large-scale and convective cloud. Calculate as the mass of cloud liquid water in the grid cell divided by the mass of air (including the water in all phases) in the grid cells. Precipitating hydrometeors are included ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}}, "specific_humidity": {"CFday": {"hus": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Specific humidity is the mass fraction of water vapor in (moist) air."}}, "6hrPlev": {"hus4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev4 time", "comment": "Specific humidity is the mass fraction of water vapor in (moist) air."}}, "Esubhr": {"hus": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Specific humidity is the mass fraction of water vapor in (moist) air."}, "huss": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 height2m", "comment": "Near-surface (usually, 2 meter) specific humidity."}}, "EdayZ": {"hus": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev19 time", "comment": "Specific humidity is the mass fraction of water vapor in (moist) air."}}, "E3hrPt": {"hus": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Specific humidity is the mass fraction of water vapor in (moist) air."}, "hus7h": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev7h time1", "comment": "Specific humidity is the mass fraction of water vapor in (moist) air."}}, "Amon": {"hus": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Specific humidity is the mass fraction of water vapor in (moist) air."}, "huss": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "Near-surface (usually, 2 meter) specific humidity."}}, "Eday": {"hus": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Specific humidity is the mass fraction of water vapor in (moist) air."}, "hus850": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p850", "comment": "Specific humidity is the mass fraction of water vapor in (moist) air."}}, "day": {"hus": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev8 time", "comment": "Specific humidity is the mass fraction of water vapor in (moist) air."}, "huss": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height2m", "comment": "Near-surface (usually, 2 meter) specific humidity."}}, "3hr": {"huss": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 height2m", "comment": "Near-surface (usually, 2 meter) specific humidity."}}, "Emon": {"hus": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev7h time", "comment": "Specific humidity is the mass fraction of water vapor in (moist) air."}, "hus27": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time", "comment": "Specific humidity is the mass fraction of water vapor in (moist) air."}, "hussLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time height2m", "comment": "Normally, the specific humidity should be reported at the 2 meter height"}}, "6hrPlevPt": {"hus27": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time1", "comment": "Specific humidity is the mass fraction of water vapor in (moist) air."}, "hus7h": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev7h time1", "comment": "Specific humidity is the mass fraction of water vapor in (moist) air."}, "huss": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 height2m", "comment": "Near-surface (usually, 2 meter) specific humidity."}}, "CFmon": {"hus": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Specific humidity is the mass fraction of water vapor in (moist) air."}}, "CFsubhr": {"hus": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Specific humidity is the mass fraction of water vapor in (moist) air."}, "huss": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1 height2m", "comment": "Near-surface (usually, 2 meter) specific humidity."}}, "6hrLev": {"hus": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Specific humidity is the mass fraction of water vapor in (moist) air."}}}, "atmosphere_net_upward_convective_mass_flux": {"CFday": {"mc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "The net mass flux should represent the difference between the updraft and downdraft components.  The flux is computed as the mass divided by the area of the grid cell."}}, "Esubhr": {"mc": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "The net mass flux should represent the difference between the updraft and downdraft components.  The flux is computed as the mass divided by the area of the grid cell."}}, "Amon": {"mc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "The net mass flux should represent the difference between the updraft and downdraft components.  The flux is computed as the mass divided by the area of the grid cell."}}, "Emon": {"columnmassflux": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Column integral of (mcu-mcd)"}}, "CFsubhr": {"mc": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevhalf site time1", "comment": "The net mass flux should represent the difference between the updraft and downdraft components.  The flux is computed as the mass divided by the area of the grid cell."}}}, "air_pressure_at_cloud_top": {"CFday": {"pctisccp": {"cell_methods": "area: time: mean where cloud", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "ISCCP Mean Cloud Top Pressure. Time-means are weighted by the ISCCP Total Cloud Fraction {:cltisccp} - see  http://cfmip.metoffice.com/COSP.html"}}, "CFmon": {"pctisccp": {"cell_methods": "area: time: mean where cloud", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "ISCCP Mean Cloud Top Pressure. Time-means are weighted by the ISCCP Total Cloud Fraction {:cltisccp} - see  http://cfmip.metoffice.com/COSP.html"}}}, "eastward_wind": {"CFday": {"ua": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Zonal wind (positive in a eastward direction)."}}, "AERday": {"ua10": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p10", "comment": "Zonal wind on the 10 hPa surface"}}, "6hrPlev": {"ua100m": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height100m", "comment": "Zonal wind at 100m height"}, "uas": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height10m", "comment": "Eastward component of the near-surface (usually, 10 meters)  wind"}}, "Esubhr": {"ua": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Zonal wind (positive in a eastward direction)."}}, "E1hr": {"ua": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev3 time1", "comment": "Zonal wind (positive in a eastward direction)."}, "ua27": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time1", "comment": "Zonal wind (positive in a eastward direction)."}}, "EdayZ": {"ua": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Zonal wind (positive in a eastward direction)."}}, "E3hrPt": {"ua7h": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev7h time1", "comment": "Zonal wind (positive in a eastward direction)."}}, "Amon": {"ua": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Zonal wind (positive in a eastward direction)."}, "uas": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height10m", "comment": "Eastward component of the near-surface (usually, 10 meters)  wind"}}, "Eday": {"ua": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Zonal wind (positive in a eastward direction)."}}, "E3hr": {"uas": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height10m", "comment": "Eastward component of the near-surface (usually, 10 meters)  wind"}}, "AERmonZ": {"ua": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Zonal wind (positive in a eastward direction)."}}, "day": {"ua": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev8 time", "comment": "Zonal wind (positive in a eastward direction)."}, "uas": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height10m", "comment": "Eastward component of the near-surface (usually, 10 meters)  wind"}}, "3hr": {"uas": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 height10m", "comment": "Eastward component of the near-surface (usually, 10 meters)  wind"}}, "Emon": {"ua": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev7h time", "comment": "Zonal wind (positive in a eastward direction)."}, "ua27": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time", "comment": "Zonal wind (positive in a eastward direction)."}}, "6hrPlevPt": {"ua": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev3 time1", "comment": "Zonal wind (positive in a eastward direction)."}, "ua7h": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev7h time1", "comment": "Zonal wind (positive in a eastward direction)."}, "uas": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 height10m", "comment": "Eastward component of the near-surface (usually, 10 meters)  wind"}}, "AERmon": {"ua": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Zonal wind (positive in a eastward direction)."}}, "CFsubhr": {"ua": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Zonal wind (positive in a eastward direction)."}, "uas": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1 height10m", "comment": "Eastward component of the near-surface (usually, 10 meters)  wind"}}, "6hrLev": {"ua": {"cell_methods": "time: point", "cell_measures": "--OPT", "dimensions": "longitude latitude alevel time1", "comment": "Zonal wind (positive in a eastward direction)."}}}, "northward_wind": {"CFday": {"va": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Meridional wind (positive in a northward direction)."}}, "6hrPlev": {"va100m": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height100m", "comment": "Meridional wind at 100m above the surface."}, "vas": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height10m", "comment": "Northward component of the near surface wind"}}, "Esubhr": {"va": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Meridional wind (positive in a northward direction)."}}, "E1hr": {"va": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev3 time1", "comment": "Meridional wind (positive in a northward direction)."}, "va27": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time1", "comment": "Meridional wind (positive in a northward direction)."}}, "EdayZ": {"va": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev19 time", "comment": "Meridional wind (positive in a northward direction)."}}, "E3hrPt": {"va7h": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev7h time1", "comment": "Meridional wind (positive in a northward direction)."}}, "Amon": {"va": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Meridional wind (positive in a northward direction)."}, "vas": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height10m", "comment": "Northward component of the near surface wind"}}, "Eday": {"va": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Meridional wind (positive in a northward direction)."}}, "E3hr": {"vas": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height10m", "comment": "Northward component of the near surface wind"}}, "AERmonZ": {"va": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Meridional wind (positive in a northward direction)."}}, "day": {"va": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev8 time", "comment": "Meridional wind (positive in a northward direction)."}, "vas": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height10m", "comment": "Northward component of the near surface wind"}}, "3hr": {"vas": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 height10m", "comment": "Northward component of the near surface wind"}}, "Emon": {"va": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev7h time", "comment": "Meridional wind (positive in a northward direction)."}, "va27": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time", "comment": "Meridional wind (positive in a northward direction)."}}, "6hrPlevPt": {"va": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev3 time1", "comment": "Meridional wind (positive in a northward direction)."}, "va7h": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev7h time1", "comment": "Meridional wind (positive in a northward direction)."}, "vas": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 height10m", "comment": "Northward component of the near surface wind"}}, "AERmon": {"va": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Meridional wind (positive in a northward direction)."}}, "CFsubhr": {"va": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Meridional wind (positive in a northward direction)."}, "vas": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1 height10m", "comment": "Northward component of the near surface wind"}}, "6hrLev": {"va": {"cell_methods": "time: point", "cell_measures": "--OPT", "dimensions": "longitude latitude alevel time1", "comment": "Meridional wind (positive in a northward direction)."}}}, "lagrangian_tendency_of_air_pressure": {"CFday": {"wap": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Omega (vertical velocity in pressure coordinates, positive downwards)"}, "wap500": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p500", "comment": "Omega (vertical velocity in pressure coordinates, positive downwards) at 500hPa level;"}}, "6hrPlev": {"wap4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev4 time", "comment": "Omega (vertical velocity in pressure coordinates, positive downwards)"}}, "Esubhr": {"wap": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Omega (vertical velocity in pressure coordinates, positive downwards)"}}, "E1hr": {"wap": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev3 time1", "comment": "Omega (vertical velocity in pressure coordinates, positive downwards)"}, "wap27": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time1", "comment": "Omega (vertical velocity in pressure coordinates, positive downwards)"}}, "E3hrPt": {"wap7h": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev7h time1", "comment": "Omega (vertical velocity in pressure coordinates, positive downwards)"}}, "Amon": {"wap": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Omega (vertical velocity in pressure coordinates, positive downwards)"}}, "Eday": {"wap": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Omega (vertical velocity in pressure coordinates, positive downwards)"}}, "day": {"wap": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev8 time", "comment": "Omega (vertical velocity in pressure coordinates, positive downwards)"}}, "Emon": {"wap": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Omega (vertical velocity in pressure coordinates, positive downwards)"}}, "CFsubhr": {"wap": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Omega (vertical velocity in pressure coordinates, positive downwards)"}}}, "geopotential_height": {"CFday": {"zg": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Geopotential is the sum of the specific gravitational potential energy relative to the geoid and the specific centripetal potential energy. Geopotential height is the geopotential divided by the standard acceleration due to gravity. It is numerically similar to the altitude (or geometric height) and not to the quantity with standard name height, which is relative to the surface."}}, "AERday": {"zg10": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p10", "comment": "Geopotential height on the 10hPa surface"}, "zg100": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p100", "comment": "Geopotential height on the 100 hPa surface"}, "zg1000": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p1000", "comment": "Geopotential height on the 1000 hPa surface"}, "zg500": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p500", "comment": "geopotential height on the 500 hPa surface"}}, "6hrPlev": {"zg1000": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p1000", "comment": "Geopotential height on the 1000 hPa surface"}}, "E1hr": {"zg27": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time1", "comment": "Geopotential is the sum of the specific gravitational potential energy relative to the geoid and the specific centripetal potential energy. Geopotential height is the geopotential divided by the standard acceleration due to gravity. It is numerically similar to the altitude (or geometric height) and not to the quantity with standard name height, which is relative to the surface."}}, "EdayZ": {"zg": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev19 time", "comment": "Geopotential is the sum of the specific gravitational potential energy relative to the geoid and the specific centripetal potential energy. Geopotential height is the geopotential divided by the standard acceleration due to gravity. It is numerically similar to the altitude (or geometric height) and not to the quantity with standard name height, which is relative to the surface."}}, "Amon": {"zg": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Geopotential is the sum of the specific gravitational potential energy relative to the geoid and the specific centripetal potential energy. Geopotential height is the geopotential divided by the standard acceleration due to gravity. It is numerically similar to the altitude (or geometric height) and not to the quantity with standard name height, which is relative to the surface."}}, "Eday": {"zg": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Geopotential is the sum of the specific gravitational potential energy relative to the geoid and the specific centripetal potential energy. Geopotential height is the geopotential divided by the standard acceleration due to gravity. It is numerically similar to the altitude (or geometric height) and not to the quantity with standard name height, which is relative to the surface."}}, "AERmonZ": {"zg": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Geopotential is the sum of the specific gravitational potential energy relative to the geoid and the specific centripetal potential energy. Geopotential height is the geopotential divided by the standard acceleration due to gravity. It is numerically similar to the altitude (or geometric height) and not to the quantity with standard name height, which is relative to the surface."}}, "day": {"zg": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev8 time", "comment": "Geopotential is the sum of the specific gravitational potential energy relative to the geoid and the specific centripetal potential energy. Geopotential height is the geopotential divided by the standard acceleration due to gravity. It is numerically similar to the altitude (or geometric height) and not to the quantity with standard name height, which is relative to the surface."}}, "Emon": {"zg27": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time", "comment": "Geopotential is the sum of the specific gravitational potential energy relative to the geoid and the specific centripetal potential energy. Geopotential height is the geopotential divided by the standard acceleration due to gravity. It is numerically similar to the altitude (or geometric height) and not to the quantity with standard name height, which is relative to the surface."}}, "6hrPlevPt": {"zg27": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time1", "comment": "Geopotential is the sum of the specific gravitational potential energy relative to the geoid and the specific centripetal potential energy. Geopotential height is the geopotential divided by the standard acceleration due to gravity. It is numerically similar to the altitude (or geometric height) and not to the quantity with standard name height, which is relative to the surface."}, "zg500": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 p500", "comment": "geopotential height on the 500 hPa surface"}, "zg7h": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev7h time1", "comment": "Geopotential is the sum of the specific gravitational potential energy relative to the geoid and the specific centripetal potential energy. Geopotential height is the geopotential divided by the standard acceleration due to gravity. It is numerically similar to the altitude (or geometric height) and not to the quantity with standard name height, which is relative to the surface."}}, "AERmon": {"zg": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Geopotential is the sum of the specific gravitational potential energy relative to the geoid and the specific centripetal potential energy. Geopotential height is the geopotential divided by the standard acceleration due to gravity. It is numerically similar to the altitude (or geometric height) and not to the quantity with standard name height, which is relative to the surface."}}, "CFsubhr": {"zg": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Geopotential is the sum of the specific gravitational potential energy relative to the geoid and the specific centripetal potential energy. Geopotential height is the geopotential divided by the standard acceleration due to gravity. It is numerically similar to the altitude (or geometric height) and not to the quantity with standard name height, which is relative to the surface."}}}, "atmosphere_optical_thickness_due_to_cloud": {"AERday": {"cod": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The optical thickness is the integral along the path of radiation of a volume scattering/absorption/attenuation coefficient. The radiative flux is reduced by a factor exp(-optical_thickness) on traversing the path. A coordinate variable of radiation_wavelength or radiation_frequency can be specified to indicate that the optical thickness applies at specific wavelengths or frequencies. The atmosphere optical thickness applies to radiation passing through the entire atmosphere. 'Cloud' means the component of extinction owing to the presence of liquid or ice water particles. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity named by omitting the phrase."}}, "AERmon": {"cod": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The optical thickness is the integral along the path of radiation of a volume scattering/absorption/attenuation coefficient. The radiative flux is reduced by a factor exp(-optical_thickness) on traversing the path. A coordinate variable of radiation_wavelength or radiation_frequency can be specified to indicate that the optical thickness applies at specific wavelengths or frequencies. The atmosphere optical thickness applies to radiation passing through the entire atmosphere. 'Cloud' means the component of extinction owing to the presence of liquid or ice water particles. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity named by omitting the phrase."}}}, "atmosphere_boundary_layer_thickness": {"AERday": {"maxpblz": {"cell_methods": "area: mean time: maximum", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "maximum boundary layer height during the day (add cell_methods attribute: 'time: maximum')"}, "minpblz": {"cell_methods": "area: mean time: minimum", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "minimum boundary layer height during the day (add cell_methods attribute: 'time: minimum')"}}, "6hrPlev": {"bldep": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Boundary layer depth"}}, "Esubhr": {"bldep": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Boundary layer depth"}}, "Eday": {"zmla": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The atmosphere boundary layer thickness is the 'depth' or 'height' of the (atmosphere) planetary boundary layer."}}, "AERmon": {"bldep": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Boundary layer depth"}}}, "atmosphere_optical_thickness_due_to_ambient_aerosol_particles": {"AERday": {"od550aer": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time lambda550nm", "comment": "AOD from the ambient aerosols (i.e., includes aerosol water).  Does not include AOD from stratospheric aerosols if these are prescribed but includes other possible background aerosol types. Needs a comment attribute 'wavelength: 550nm'"}}, "AERmon": {"od440aer": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "AOD from the ambient aerosols (i.e., includes aerosol water).  Does not include AOD from stratospheric aerosols if these are prescribed but includes other possible background aerosol types. Needs a comment attribute 'wavelength: 440nm'"}, "od550aer": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time lambda550nm", "comment": "AOD from the ambient aerosols (i.e., includes aerosol water).  Does not include AOD from stratospheric aerosols if these are prescribed but includes other possible background aerosol types. Needs a comment attribute 'wavelength: 550nm'"}, "od550csaer": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time lambda550nm", "comment": "AOD from the ambient aerosols in clear skies if od550aer is for all-sky (i.e., includes aerosol water).  Does not include AOD from stratospheric aerosols if these are prescribed but includes other possible background aerosol types. Needs a comment attribute 'wavelength: 550nm'"}, "od870aer": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "AOD from the ambient aerosols (i.e., includes aerosol water).  Does not include AOD from stratospheric aerosols if these are prescribed but includes other possible background aerosol types. Needs a comment attribute 'wavelength: 870nm'"}}}, "mole_fraction_of_ozone_in_air": {"AERday": {"sfo3max": {"cell_methods": "area: mean time: maximum", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}, "AERhr": {"sfo3": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}, "E3hrPt": {"o3": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}, "Amon": {"o3": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}, "o3Clim": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time2", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}, "AERmonZ": {"o3": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}, "AERmon": {"o3": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}, "o3ste": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Ozone tracer intended to map out strat-trop exchange (STE) of ozone. Set to ozone in the stratosphere, then destroyed in the troposphere using the ozone chemical loss rate. Please specify the tropopause definition used"}}}, "equivalent_thickness_at_stp_of_atmosphere_ozone_content": {"AERday": {"toz": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total ozone column calculated at 0 degrees C and 1 bar, such that 1m = 1e5 DU."}}, "AERmon": {"toz": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total ozone column calculated at 0 degrees C and 1 bar, such that 1m = 1e5 DU."}, "tropoz": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Tropospheric ozone column, should be consistent with definition of tropopause used to calculate the pressure of the tropopause (ptp). Calculated at 0 degrees C and 1 bar, such that 1m = 1e5 DU."}}}, "atmosphere_relative_vorticity": {"6hrPlev": {"rv850": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time p850", "comment": "Relative vorticity is the upward component of the vorticity vector i.e. the component which arises from horizontal velocity."}}, "6hrPlevPt": {"rv850": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 p850", "comment": "Relative vorticity is the upward component of the vorticity vector i.e. the component which arises from horizontal velocity."}, "vortmean": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 pl700", "comment": "Mean vorticity over 850,700,600 hPa"}}}, "wind_speed_of_gust": {"6hrPlev": {"wsgmax100m": {"cell_methods": "area: mean time: maximum", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height100m", "comment": "Wind speed gust maximum at 100m above surface"}, "wsgmax10m": {"cell_methods": "area: mean time: maximum", "cell_measures": "area: areacella", "dimensions": "longitude latitude time height10m", "comment": "Wind speed gust maximum at 10m above surface"}}}, "ocean_momentum_xy_biharmonic_diffusivity": {"Oclim": {"difmxybo": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Lateral biharmonic viscosity applied to the momentum equations."}, "difmxybo2d": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello", "dimensions": "longitude latitude time2", "comment": "Lateral biharmonic viscosity applied to the momentum equations."}}, "Oyr": {"difmxybo": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Lateral biharmonic viscosity applied to the momentum equations."}}}, "ocean_momentum_xy_laplacian_diffusivity": {"Oclim": {"difmxylo": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Lateral Laplacian viscosity applied to the momentum equations."}, "difmxylo2d": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello", "dimensions": "longitude latitude time2", "comment": "Lateral Laplacian viscosity applied to the momentum equations."}}, "Oyr": {"difmxylo": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Lateral Laplacian viscosity applied to the momentum equations."}}}, "ocean_tracer_biharmonic_diffusivity_due_to_parameterized_mesoscale_eddy_advection": {"Oclim": {"diftrbbo": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Parameterized mesoscale eddy advection occurs on a spatial scale of many tens of kilometres and an evolutionary time of weeks(sometimes called bolus advection). Reference: James C. McWilliams 2016, Submesoscale currents in the ocean, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, volume 472, issue 2189. DOI: 10.1098/rspa.2016.0117. "}, "diftrbbo2d": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello", "dimensions": "longitude latitude time2", "comment": "Parameterized mesoscale eddy advection occurs on a spatial scale of many tens of kilometres and an evolutionary time of weeks(sometimes called bolus advection). Reference: James C. McWilliams 2016, Submesoscale currents in the ocean, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, volume 472, issue 2189. DOI: 10.1098/rspa.2016.0117. "}}}, "ocean_tracer_laplacian_diffusivity_due_to_parameterized_mesoscale_eddy_advection": {"Oclim": {"diftrblo": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Ocean tracer diffusivity associated with parameterized eddy-induced advective transport. Sometimes this diffusivity is called the 'thickness' diffusivity. For CMIP5, this diagnostic was called 'ocean tracer bolus laplacian diffusivity'.  The CMIP6 name is physically more relevant."}, "diftrblo2d": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello", "dimensions": "longitude latitude time2", "comment": "Ocean tracer diffusivity associated with parameterized eddy-induced advective transport. Sometimes this diffusivity is called the 'thickness' diffusivity. For CMIP5, this diagnostic was called 'ocean tracer bolus laplacian diffusivity'.  The CMIP6 name is physically more relevant."}}, "Oyr": {"diftrblo": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Ocean tracer diffusivity associated with parameterized eddy-induced advective transport. Sometimes this diffusivity is called the 'thickness' diffusivity. For CMIP5, this diagnostic was called 'ocean tracer bolus laplacian diffusivity'.  The CMIP6 name is physically more relevant."}}}, "ocean_tracer_epineutral_biharmonic_diffusivity": {"Oclim": {"diftrebo": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Epineutral diffusivity means a lateral diffusivity along a either a neutral or isopycnal density surface due to motion which is not resolved on the grid scale of an ocean model. The type of density surface is dependent on the model formulation. "}, "diftrebo2d": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello", "dimensions": "longitude latitude time2", "comment": "Epineutral diffusivity means a lateral diffusivity along a either a neutral or isopycnal density surface due to motion which is not resolved on the grid scale of an ocean model. The type of density surface is dependent on the model formulation. "}}}, "ocean_tracer_epineutral_laplacian_diffusivity": {"Oclim": {"diftrelo": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Ocean tracer diffusivity associated with parameterized eddy-induced diffusive transport oriented along neutral or isopycnal directions. Sometimes this diffusivity is called the neutral diffusivity or isopycnal diffusivity or Redi diffusivity."}, "diftrelo2d": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello", "dimensions": "longitude latitude time2", "comment": "Ocean tracer diffusivity associated with parameterized eddy-induced diffusive transport oriented along neutral or isopycnal directions. Sometimes this diffusivity is called the neutral diffusivity or isopycnal diffusivity or Redi diffusivity."}}, "Oyr": {"diftrelo": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Ocean tracer diffusivity associated with parameterized eddy-induced diffusive transport oriented along neutral or isopycnal directions. Sometimes this diffusivity is called the neutral diffusivity or isopycnal diffusivity or Redi diffusivity."}}}, "ocean_tracer_xy_biharmonic_diffusivity": {"Oclim": {"diftrxybo": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Diffusivity is also sometimes known as the coefficient of diffusion. Diffusion occurs as a result of a gradient in the spatial distribution of mass concentration, temperature or momentum.  The diffusivity may be very different in the vertical and horizontal directions. 'xy diffusivity' means the lateral along_coordinate component of diffusivity due to motion which is not resolved on the grid scale of the model.  xy diffusivities are used in some ocean models to counteract the numerical instabilities inherent in certain implementations of rotated neutral diffusion. 'biharmonic diffusivity' means diffusivity for use with a biharmonic diffusion operator."}, "diftrxybo2d": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello", "dimensions": "longitude latitude time2", "comment": "Diffusivity is also sometimes known as the coefficient of diffusion. Diffusion occurs as a result of a gradient in the spatial distribution of mass concentration, temperature or momentum.  The diffusivity may be very different in the vertical and horizontal directions. 'xy diffusivity' means the lateral along_coordinate component of diffusivity due to motion which is not resolved on the grid scale of the model.  xy diffusivities are used in some ocean models to counteract the numerical instabilities inherent in certain implementations of rotated neutral diffusion. 'biharmonic diffusivity' means diffusivity for use with a biharmonic diffusion operator."}}}, "ocean_tracer_xy_laplacian_diffusivity": {"Oclim": {"diftrxylo": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Diffusivity is also sometimes known as the coefficient of diffusion. Diffusion occurs as a result of a gradient in the spatial distribution of mass concentration, temperature or momentum.  The diffusivity may be very different in the vertical and horizontal directions. 'xy diffusivity' means the lateral along_coordinate component of diffusivity due to motion which is not resolved on the grid scale of the model.  xy diffusivities are used in some ocean models to counteract the numerical instabilities inherent in certain implementations of rotated neutral diffusion. 'laplacian diffusivity' means diffusivity for use with a Laplacian diffusion operator."}, "diftrxylo2d": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello", "dimensions": "longitude latitude time2", "comment": "Diffusivity is also sometimes known as the coefficient of diffusion. Diffusion occurs as a result of a gradient in the spatial distribution of mass concentration, temperature or momentum.  The diffusivity may be very different in the vertical and horizontal directions. 'xy diffusivity' means the lateral along_coordinate component of diffusivity due to motion which is not resolved on the grid scale of the model.  xy diffusivities are used in some ocean models to counteract the numerical instabilities inherent in certain implementations of rotated neutral diffusion. 'laplacian diffusivity' means diffusivity for use with a Laplacian diffusion operator."}}}, "ocean_vertical_heat_diffusivity": {"Oclim": {"difvho": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Vertical/dianeutral diffusivity applied to prognostic temperature field."}}, "Oyr": {"difvho": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Vertical/dianeutral diffusivity applied to prognostic temperature field."}}}, "ocean_vertical_momentum_diffusivity_due_to_background": {"Oclim": {"difvmbo": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Vertical/dianeutral diffusivity applied to momentum due to the background (i.e. caused by a time invariant imposed field which may be either constant over the globe or spatially varying, depending on the ocean model used)."}}}, "ocean_vertical_momentum_diffusivity_due_to_form_drag": {"Oclim": {"difvmfdo": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Vertical/dianeutral diffusivity applied to momentum due to form drag (i.e. resulting from a model scheme representing  mesoscale eddy-induced form drag)."}}}, "ocean_vertical_momentum_diffusivity": {"Oclim": {"difvmo": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Vertical/dianeutral diffusivity applied to momentum."}}}, "ocean_vertical_momentum_diffusivity_due_to_tides": {"Oclim": {"difvmto": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Diffusivity is also sometimes known as the coefficient of diffusion. Diffusion occurs as a result of a gradient in the spatial distribution of mass concentration, temperature or momentum.  The diffusivity may be very different in the vertical and horizontal directions. The construction vertical_X_diffusivity means the vertical component of the diffusivity of X due to motion which is not resolved on the grid scale of the model. 'Due to tides' means due to all astronomical gravity changes which manifest as tides. No distinction is made between different tidal components. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase."}}}, "ocean_vertical_salt_diffusivity": {"Oclim": {"difvso": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Vertical/dianeutral diffusivity applied to prognostic salinity field."}}, "Oyr": {"difvso": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Vertical/dianeutral diffusivity applied to prognostic salinity field."}}}, "ocean_vertical_tracer_diffusivity_due_to_background": {"Oclim": {"difvtrbo": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Vertical/dianeutral diffusivity applied to tracers due to the background (i.e. caused by a time invariant imposed field which may be either constant over the globe or spatially varying, depending on the ocean model used)."}}}, "ocean_vertical_tracer_diffusivity_due_to_tides": {"Oclim": {"difvtrto": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Vertical/dianeutral diffusivity applied to tracers due to tides (i.e. caused by astronomical gravity changes which manifest as tides)."}}}, "ocean_kinetic_energy_dissipation_per_unit_area_due_to_vertical_friction": {"Oclim": {"dispkevfo": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Friction, leading to the dissipation of kinetic energy, arises in ocean models as a result of the viscosity of sea water.  Generally, the  lateral (xy) viscosity is given a large value to maintain the numerical stability of the model.  In contrast, the vertical viscosity is usually much smaller. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase."}}}, "ocean_kinetic_energy_dissipation_per_unit_area_due_to_xy_friction": {"Oclim": {"dispkexyfo": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Depth integrated impacts on kinetic energy arising from lateral frictional dissipation associated with Laplacian and/or biharmonic viscosity. For CMIP5, this diagnostic was 3d, whereas the CMIP6 depth integrated diagnostic is sufficient for many purposes and reduces archive requirements."}, "dispkexyfo2d": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello", "dimensions": "longitude latitude time2", "comment": "Depth integrated impacts on kinetic energy arising from lateral frictional dissipation associated with Laplacian and/or biharmonic viscosity. For CMIP5, this diagnostic was 3d, whereas the CMIP6 depth integrated diagnostic is sufficient for many purposes and reduces archive requirements."}}, "Oyr": {"dispkexyfo": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Depth integrated impacts on kinetic energy arising from lateral frictional dissipation associated with Laplacian and/or biharmonic viscosity. For CMIP5, this diagnostic was 3d, whereas the CMIP6 depth integrated diagnostic is sufficient for many purposes and reduces archive requirements."}}}, "tendency_of_ocean_eddy_kinetic_energy_content_due_to_parameterized_eddy_advection": {"Oclim": {"tnkebto": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Depth integrated impacts on kinetic energy arising from parameterized eddy-induced advection. For CMIP5, this diagnostic was 3d, whereas the CMIP6 depth integrated diagnostic is sufficient for many purposes and reduces archive requirements."}, "tnkebto2d": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello", "dimensions": "longitude latitude time2", "comment": "Depth integrated impacts on kinetic energy arising from parameterized eddy-induced advection. For CMIP5, this diagnostic was 3d, whereas the CMIP6 depth integrated diagnostic is sufficient for many purposes and reduces archive requirements."}}, "Oyr": {"tnkebto": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Depth integrated impacts on kinetic energy arising from parameterized eddy-induced advection. For CMIP5, this diagnostic was 3d, whereas the CMIP6 depth integrated diagnostic is sufficient for many purposes and reduces archive requirements."}}}, "tendency_of_ocean_potential_energy_content": {"Oclim": {"tnpeo": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Rate that work is done against vertical stratification, as measured by the vertical heat and salt diffusivity. Report here as depth integrated two-dimensional field."}}, "Oyr": {"tnpeo": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Rate that work is done against vertical stratification, as measured by the vertical heat and salt diffusivity. Report here as depth integrated two-dimensional field."}}}, "tendency_of_ocean_potential_energy_content_due_to_tides": {"Oclim": {"tnpeot": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "'Content' indicates a quantity per unit area.  Potential energy is the sum of the gravitational potential energy relative to the geoid and the centripetal potential energy. (The geopotential is the specific potential energy.)  'Due to tides' means due to all astronomical gravity changes which manifest as tides.  No distinction is made between different tidal components. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  'tendency_of_X' means derivative of X with respect to time."}}}, "tendency_of_ocean_potential_energy_content_due_to_background": {"Oclim": {"tnpeotb": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "'Content' indicates a quantity per unit area.  Potential energy is the sum of the gravitational potential energy relative to the geoid and the centripetal potential energy. (The geopotential is the specific potential energy.)  'Due to background' means caused by a time invariant imposed field which may be either constant over the globe or spatially varying, depending on the ocean model used. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  'tendency_of_X' means derivative of X with respect to time."}}}, "depth_below_geoid": {"Oclim": {"zfullo": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time2", "comment": "Depth below geoid"}, "zhalfo": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacello", "dimensions": "longitude latitude olevhalf time2", "comment": "Depth below geoid"}}, "Eyr": {"zfullo": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Depth below geoid"}}, "Omon": {"zfullo": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Depth below geoid"}, "zhalfo": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude olevhalf time", "comment": "Depth below geoid"}}}, "cell_area": {"Ofx": {"areacello": {"cell_methods": "area: sum", "cell_measures": "", "dimensions": "longitude latitude", "comment": "Horizontal area of ocean grid cells"}}, "IyrAnt": {"modelCellAreai": {"cell_methods": "area: time: mean", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Horizontal area of ice-sheet grid cells"}}, "IfxAnt": {"areacellg": {"cell_methods": "area: sum", "cell_measures": "", "dimensions": "longitude latitude", "comment": "Area of the target grid (not the interpolated area of the source grid)."}}, "fx": {"areacella": {"cell_methods": "area: sum", "cell_measures": "", "dimensions": "longitude latitude", "comment": "For atmospheres with more than 1 mesh (e.g., staggered grids), report areas that apply to surface vertical fluxes of energy."}, "areacellr": {"cell_methods": "area: sum", "cell_measures": "", "dimensions": "longitude latitude", "comment": "For river routing model, if grid differs from the atmospheric grid."}}, "IyrGre": {"modelCellAreai": {"cell_methods": "area: time: mean", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Horizontal area of ice-sheet grid cells"}}, "IfxGre": {"areacellg": {"cell_methods": "area: sum", "cell_measures": "", "dimensions": "longitude latitude", "comment": "Area of the target grid (not the interpolated area of the source grid)."}}}, "region": {"Ofx": {"basin": {"cell_methods": "area: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude", "comment": "A variable with the standard name of region contains strings which indicate geographical regions. These strings must be chosen from the standard region list."}}}, "sea_floor_depth_below_geoid": {"Ofx": {"deptho": {"cell_methods": "area: mean where sea", "cell_measures": "area: areacello", "dimensions": "longitude latitude", "comment": "Ocean bathymetry.   Reported here is the sea floor depth for present day relative to z=0 geoid. Reported as missing for land grid cells."}}}, "upward_geothermal_heat_flux_at_sea_floor": {"Ofx": {"hfgeou": {"cell_methods": "area: mean where sea", "cell_measures": "area: areacello", "dimensions": "longitude latitude", "comment": "Upward geothermal heat flux per unit area on the sea floor"}}, "Omon": {"hfgeou": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Upward geothermal heat flux per unit area on the sea floor"}}}, "sea_water_mass_per_unit_area": {"Ofx": {"masscello": {"cell_methods": "area: sum", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel", "comment": "Tracer grid-cell mass per unit area used for computing tracer budgets. For Boussinesq models with static ocean grid cell thickness, masscello = rhozero*thickcello, where thickcello is static cell thickness and rhozero is constant Boussinesq reference density. More generally, masscello is time dependent and reported as part of Omon."}}, "Omon": {"masscello": {"cell_methods": "area: sum where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tracer grid-cell mass per unit area used for computing tracer budgets. For Boussinesq models with static ocean grid cell thickness, masscello = rhozero*thickcello, where thickcello is static cell thickness and rhozero is constant Boussinesq reference density. More generally, masscello is time dependent and reported as part of Omon."}}, "Odec": {"masscello": {"cell_methods": "area: sum where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tracer grid-cell mass per unit area used for computing tracer budgets. For Boussinesq models with static ocean grid cell thickness, masscello = rhozero*thickcello, where thickcello is static cell thickness and rhozero is constant Boussinesq reference density. More generally, masscello is time dependent and reported as part of Omon."}}}, "sea_area_fraction": {"Ofx": {"sftof": {"cell_methods": "area: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude", "comment": "Percentage of horizontal area occupied by ocean."}}}, "cell_thickness": {"Ofx": {"thkcello": {"cell_methods": "area: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel", "comment": "'Thickness' means the vertical extent of a layer. 'Cell' refers to a model grid-cell."}}, "Efx": {"slthick": {"cell_methods": "area: mean where land", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth", "comment": "'Thickness' means the vertical extent of a layer. 'Cell' refers to a model grid cell."}}, "Omon": {"thkcello": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "'Thickness' means the vertical extent of a layer. 'Cell' refers to a model grid-cell."}}, "Odec": {"thkcello": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "'Thickness' means the vertical extent of a layer. 'Cell' refers to a model grid-cell."}}}, "longitude": {"Ofx": {"ugrido": {"cell_methods": "", "cell_measures": "--UGRID", "dimensions": "longitude latitude", "comment": "Ony required for models with unstructured grids: this label should be used for a file containing information about the grid structure, following the UGRID convention."}}, "CFsubhr": {"longitude": {"cell_methods": "area: point", "cell_measures": "", "dimensions": "site", "comment": "Longitude is positive eastward; its units of degree_east (or equivalent) indicate this explicitly. In a latitude-longitude system defined with respect to a rotated North Pole, the standard name of grid_longitude should be used instead of longitude. Grid longitude is positive in the grid-eastward direction, but its units should be plain degree."}}}, "ocean_volume": {"Ofx": {"volcello": {"cell_methods": "area: sum", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel", "comment": "grid-cell volume ca. 2000."}}, "Oyr": {"volcello": {"cell_methods": "area: sum where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "grid-cell volume ca. 2000."}}, "Omon": {"volcello": {"cell_methods": "area: sum where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "grid-cell volume ca. 2000."}}, "Odec": {"volcello": {"cell_methods": "area: sum where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "grid-cell volume ca. 2000."}}}, "tendency_of_specific_humidity": {"Esubhr": {"tnhus": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Tendency of Specific Humidity"}}, "CFmon": {"tnhus": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Tendency of Specific Humidity"}}, "CFsubhr": {"tnhus": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Tendency of Specific Humidity"}}}, "tendency_of_specific_humidity_due_to_boundary_layer_mixing": {"Esubhr": {"tnhuspbl": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Includes all boundary layer terms including diffusive terms."}}, "Emon": {"tnhuspbl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Includes all boundary layer terms including diffusive terms."}}}, "tendency_of_specific_humidity_due_to_stratiform_cloud_and_precipitation": {"Esubhr": {"tnhusscp": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "The phrase 'tendency_of_X' means derivative of X with respect to time. 'Specific' means per unit mass. Specific humidity is the mass fraction of water vapor in (moist) air. The specification of a physical process by the phrase 'due_to_' process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. A variable with the standard name of tendency_of_specific_humidity_due_to_stratiform_cloud_and_precipitation should contain the effects of all processes which convert stratiform clouds and precipitation to or from water vapor. In an atmosphere model, stratiform cloud is that produced by large-scale convergence (not the convection schemes)."}}, "Emon": {"tnhusscp": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "The phrase 'tendency_of_X' means derivative of X with respect to time. 'Specific' means per unit mass. Specific humidity is the mass fraction of water vapor in (moist) air. The specification of a physical process by the phrase 'due_to_' process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. A variable with the standard name of tendency_of_specific_humidity_due_to_stratiform_cloud_and_precipitation should contain the effects of all processes which convert stratiform clouds and precipitation to or from water vapor. In an atmosphere model, stratiform cloud is that produced by large-scale convergence (not the convection schemes)."}}}, "tendency_of_air_temperature": {"Esubhr": {"tnt": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Tendency of Air Temperature"}}, "CFmon": {"tnt": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Tendency of Air Temperature"}}, "CFsubhr": {"tnt": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Tendency of Air Temperature"}}}, "tendency_of_air_temperature_due_to_diffusion": {"Esubhr": {"tntd": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "This includes any horizontal or vertical numerical temperature diffusion not associated with the parametrized moist physics or the resolved dynamics.  For example, any vertical diffusion which is part of the boundary layer mixing scheme should be excluded, as should any diffusion which is included in the terms from the resolved dynamics.   This term is required to check the closure of the temperature budget."}}, "Emon": {"tntd": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "This includes any horizontal or vertical numerical temperature diffusion not associated with the parametrized moist physics or the resolved dynamics.  For example, any vertical diffusion which is part of the boundary layer mixing scheme should be excluded, as should any diffusion which is included in the terms from the resolved dynamics.   This term is required to check the closure of the temperature budget."}}}, "tendency_of_air_temperature_due_to_boundary_layer_mixing": {"Esubhr": {"tntpbl": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Includes all boundary layer terms including diffusive terms."}}, "Emon": {"tntpbl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Includes all boundary layer terms including diffusive terms."}}}, "tendency_of_air_temperature_due_to_longwave_heating": {"Esubhr": {"tntrl": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Tendency of air temperature due to longwave radiative heating"}}, "EmonZ": {"tntrl": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Tendency of air temperature due to longwave radiative heating"}}, "Emon": {"tntrl27": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time", "comment": "Tendency of air temperature due to longwave radiative heating"}}, "AERmon": {"tntrl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Tendency of air temperature due to longwave radiative heating"}}}, "tendency_of_air_temperature_due_to_longwave_heating_assuming_clear_sky": {"Esubhr": {"tntrlcs": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Tendency of Air Temperature due to Clear Sky Longwave Radiative Heating"}}, "EmonZ": {"tntrlcs": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Tendency of Air Temperature due to Clear Sky Longwave Radiative Heating"}}, "Emon": {"tntrlcs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Tendency of Air Temperature due to Clear Sky Longwave Radiative Heating"}}}, "tendency_of_air_temperature_due_to_shortwave_heating": {"Esubhr": {"tntrs": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Tendency of air temperature due to shortwave radiative heating"}}, "EmonZ": {"tntrs": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Tendency of air temperature due to shortwave radiative heating"}}, "Emon": {"tntrs27": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time", "comment": "Tendency of air temperature due to shortwave radiative heating"}}, "AERmon": {"tntrs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Tendency of air temperature due to shortwave radiative heating"}}}, "tendency_of_air_temperature_due_to_shortwave_heating_assuming_clear_sky": {"Esubhr": {"tntrscs": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Tendency of Air Temperature due to Clear Sky Shortwave Radiative Heating"}}, "EmonZ": {"tntrscs": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Tendency of Air Temperature due to Clear Sky Shortwave Radiative Heating"}}, "Emon": {"tntrscs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Tendency of Air Temperature due to Clear Sky Shortwave Radiative Heating"}}}, "tendency_of_air_temperature_due_to_stratiform_cloud_and_precipitation": {"Esubhr": {"tntscp": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "The phrase 'tendency_of_X' means derivative of X with respect to time. Air temperature is the bulk temperature of the air, not the surface (skin) temperature. The specification of a physical process by the phrase 'due_to_' process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. A variable with the standard name tendency_of_air_temperature_due_to_stratiform_cloud_and_precipitation should contain net latent heating effects of all processes which convert stratiform clouds and precipitation between water vapour, liquid or ice phases. In an atmosphere model, stratiform cloud is that produced by large-scale convergence (not the convection schemes)."}}, "EmonZ": {"tntscp": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "The phrase 'tendency_of_X' means derivative of X with respect to time. Air temperature is the bulk temperature of the air, not the surface (skin) temperature. The specification of a physical process by the phrase 'due_to_' process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. A variable with the standard name tendency_of_air_temperature_due_to_stratiform_cloud_and_precipitation should contain net latent heating effects of all processes which convert stratiform clouds and precipitation between water vapour, liquid or ice phases. In an atmosphere model, stratiform cloud is that produced by large-scale convergence (not the convection schemes)."}}, "Emon": {"tntscp": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "The phrase 'tendency_of_X' means derivative of X with respect to time. Air temperature is the bulk temperature of the air, not the surface (skin) temperature. The specification of a physical process by the phrase 'due_to_' process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. A variable with the standard name tendency_of_air_temperature_due_to_stratiform_cloud_and_precipitation should contain net latent heating effects of all processes which convert stratiform clouds and precipitation between water vapour, liquid or ice phases. In an atmosphere model, stratiform cloud is that produced by large-scale convergence (not the convection schemes)."}}}, "land_ice_surface_specific_mass_balance_flux": {"IyrAnt": {"acabf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Specific mass balance means the net rate at which ice is added per unit area at the land ice surface. Computed as the total surface mass balance on the land ice portion of the grid cell divided by land ice area in the grid cell. A negative value means loss of ice"}}, "ImonAnt": {"acabf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Specific mass balance means the net rate at which ice is added per unit area at the land ice surface. Computed as the total surface mass balance on the land ice portion of the grid cell divided by land ice area in the grid cell. A negative value means loss of ice"}}, "IyrGre": {"acabf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Specific mass balance means the net rate at which ice is added per unit area at the land ice surface. Computed as the total surface mass balance on the land ice portion of the grid cell divided by land ice area in the grid cell. A negative value means loss of ice"}}, "LImon": {"acabfIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Specific mass balance means the net rate at which ice is added per unit area at the land ice surface. Computed as the total surface mass balance on the land ice portion of the grid cell divided by land ice area in the grid cell. A negative value means loss of ice"}}, "ImonGre": {"acabf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Specific mass balance means the net rate at which ice is added per unit area at the land ice surface. Computed as the total surface mass balance on the land ice portion of the grid cell divided by land ice area in the grid cell. A negative value means loss of ice"}}}, "upward_geothermal_heat_flux_at_ground_level_in_land_ice": {"IyrAnt": {"hfgeoubed": {"cell_methods": "area: time: mean where grounded_ice_sheet (comment: mask=sfgrlf)", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Upward geothermal heat flux per unit area into the base of grounded land ice. This is related to the geothermal heat flux out of the bedrock, but may be modified by horizontal transport due to run-off and by melting at the interface."}}, "IfxAnt": {"hfgeoubed": {"cell_methods": "area: mean where grounded_ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant", "comment": "Upward geothermal heat flux per unit area into the base of grounded land ice. This is related to the geothermal heat flux out of the bedrock, but may be modified by horizontal transport due to run-off and by melting at the interface."}}, "IyrGre": {"hfgeoubed": {"cell_methods": "area: time: mean where grounded_ice_sheet (comment: mask=sfgrlf)", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Upward geothermal heat flux per unit area into the base of grounded land ice. This is related to the geothermal heat flux out of the bedrock, but may be modified by horizontal transport due to run-off and by melting at the interface."}}, "IfxGre": {"hfgeoubed": {"cell_methods": "area: mean where grounded_ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre", "comment": "Upward geothermal heat flux per unit area into the base of grounded land ice. This is related to the geothermal heat flux out of the bedrock, but may be modified by horizontal transport due to run-off and by melting at the interface."}}}, "floating_ice_shelf_area": {"IyrAnt": {"iareafl": {"cell_methods": "area: time: mean where floating_ice_shelf (comment: mask=sftflf)", "cell_measures": "", "dimensions": "time", "comment": "Total area of the floating ice shelves (the component of ice sheet that flows over ocean)"}}, "IyrGre": {"iareafl": {"cell_methods": "area: time: mean where floating_ice_shelf (comment: mask=sftflf)", "cell_measures": "", "dimensions": "time", "comment": "Total area of the floating ice shelves (the component of ice sheet that flows over ocean)"}}}, "grounded_ice_sheet_area": {"IyrAnt": {"iareagr": {"cell_methods": "area: time: mean where grounded_ice_sheet (comment: mask=sfgrlf)", "cell_measures": "", "dimensions": "time", "comment": "Total area of the grounded ice sheets (the component of ice sheet resting over bedrock)"}}, "IyrGre": {"iareagr": {"cell_methods": "area: time: mean where grounded_ice_sheet (comment: mask=sfgrlf)", "cell_measures": "", "dimensions": "time", "comment": "Total area of the grounded ice sheets (the component of ice sheet resting over bedrock)"}}}, "land_ice_basal_specific_mass_balance_flux": {"IyrAnt": {"libmassbffl": {"cell_methods": "area: time: mean where floating_ice_shelf (comment: mask=sftflf)", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Specific mass balance means the net rate at which ice is added per unit area at the land ice base.  A negative value means loss of ice. Computed as the total basal mass balance on the floating land ice (floating ice shelf) portion of the grid cell divided by floating land ice (floating ice shelf) area in the grid cell. Cell_methods: area: mean where floating_ice_shelf"}, "libmassbfgr": {"cell_methods": "area: time: mean where grounded_ice_sheet (comment: mask=sfgrlf)", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Specific mass balance means the net rate at which ice is added per unit area at the land ice base.  A negative value means loss of ice. Computed as the total basal mass balance on the grounded land ice portion of the grid cell divided by grounded land ice area in the grid cell. Cell_methods: area: mean where grounded_ice_sheet"}}, "ImonAnt": {"libmassbffl": {"cell_methods": "area: time: mean where floating_ice_shelf (comment: mask=sftflf)", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Specific mass balance means the net rate at which ice is added per unit area at the land ice base.  A negative value means loss of ice. Computed as the total basal mass balance on the floating land ice (floating ice shelf) portion of the grid cell divided by floating land ice (floating ice shelf) area in the grid cell. Cell_methods: area: mean where floating_ice_shelf"}, "libmassbfgr": {"cell_methods": "area: time: mean where grounded_ice_sheet (comment: mask=sfgrlf)", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Specific mass balance means the net rate at which ice is added per unit area at the land ice base.  A negative value means loss of ice. Computed as the total basal mass balance on the grounded land ice portion of the grid cell divided by grounded land ice area in the grid cell. Cell_methods: area: mean where grounded_ice_sheet"}}, "IyrGre": {"libmassbffl": {"cell_methods": "area: time: mean where floating_ice_shelf (comment: mask=sftflf)", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Specific mass balance means the net rate at which ice is added per unit area at the land ice base.  A negative value means loss of ice. Computed as the total basal mass balance on the floating land ice (floating ice shelf) portion of the grid cell divided by floating land ice (floating ice shelf) area in the grid cell. Cell_methods: area: mean where floating_ice_shelf"}, "libmassbfgr": {"cell_methods": "area: time: mean where grounded_ice_sheet (comment: mask=sfgrlf)", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Specific mass balance means the net rate at which ice is added per unit area at the land ice base.  A negative value means loss of ice. Computed as the total basal mass balance on the grounded land ice portion of the grid cell divided by grounded land ice area in the grid cell. Cell_methods: area: mean where grounded_ice_sheet"}}, "ImonGre": {"libmassbffl": {"cell_methods": "area: time: mean where floating_ice_shelf (comment: mask=sftflf)", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Specific mass balance means the net rate at which ice is added per unit area at the land ice base.  A negative value means loss of ice. Computed as the total basal mass balance on the floating land ice (floating ice shelf) portion of the grid cell divided by floating land ice (floating ice shelf) area in the grid cell. Cell_methods: area: mean where floating_ice_shelf"}, "libmassbfgr": {"cell_methods": "area: time: mean where grounded_ice_sheet (comment: mask=sfgrlf)", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Specific mass balance means the net rate at which ice is added per unit area at the land ice base.  A negative value means loss of ice. Computed as the total basal mass balance on the grounded land ice portion of the grid cell divided by grounded land ice area in the grid cell. Cell_methods: area: mean where grounded_ice_sheet"}}}, "land_ice_specific_mass_flux_due_to_calving": {"IyrAnt": {"licalvf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Loss of ice mass resulting from iceberg calving. Computed as the rate of mass loss by the ice shelf (in kg s-1) divided by the horizontal area of the ice sheet (m2) in the grid box."}}, "ImonAnt": {"licalvf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Loss of ice mass resulting from iceberg calving. Computed as the rate of mass loss by the ice shelf (in kg s-1) divided by the horizontal area of the ice sheet (m2) in the grid box."}}, "IyrGre": {"licalvf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Loss of ice mass resulting from iceberg calving. Computed as the rate of mass loss by the ice shelf (in kg s-1) divided by the horizontal area of the ice sheet (m2) in the grid box."}}, "ImonGre": {"licalvf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Loss of ice mass resulting from iceberg calving. Computed as the rate of mass loss by the ice shelf (in kg s-1) divided by the horizontal area of the ice sheet (m2) in the grid box."}}}, "land_ice_specific_mass_flux_due_to_calving_and_ice_front_melting": {"IyrAnt": {"lifmassbf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Total mass balance at the ice front (or vertical margin). It includes both iceberg calving and melt on vertical ice front"}}, "ImonAnt": {"lifmassbf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Total mass balance at the ice front (or vertical margin). It includes both iceberg calving and melt on vertical ice front"}}, "IyrGre": {"lifmassbf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Total mass balance at the ice front (or vertical margin). It includes both iceberg calving and melt on vertical ice front"}}, "ImonGre": {"lifmassbf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Total mass balance at the ice front (or vertical margin). It includes both iceberg calving and melt on vertical ice front"}}}, "land_ice_mass": {"IyrAnt": {"lim": {"cell_methods": "area: sum where ice_sheet time: mean", "cell_measures": "", "dimensions": "time", "comment": "The ice sheet mass is computed as the volume times density"}}, "IyrGre": {"lim": {"cell_methods": "area: sum where ice_sheet time: mean", "cell_measures": "", "dimensions": "time", "comment": "The ice sheet mass is computed as the volume times density"}}}, "land_ice_mass_not_displacing_sea_water": {"IyrAnt": {"limnsw": {"cell_methods": "area: time: mean where grounded_ice_sheet (comment: mask=sfgrlf)", "cell_measures": "", "dimensions": "time", "comment": "The ice sheet mass is computed as the volume above flotation times density. Changes in land_ice_mass_not_displacing_sea_water will always result in a change in sea level, unlike changes in land_ice_mass which may not result in sea level change (such as melting of the floating ice shelves, or portion of ice that sits on bedrock below sea level)"}}, "IyrGre": {"limnsw": {"cell_methods": "area: time: mean where grounded_ice_sheet (comment: mask=sfgrlf)", "cell_measures": "", "dimensions": "time", "comment": "The ice sheet mass is computed as the volume above flotation times density. Changes in land_ice_mass_not_displacing_sea_water will always result in a change in sea level, unlike changes in land_ice_mass which may not result in sea level change (such as melting of the floating ice shelves, or portion of ice that sits on bedrock below sea level)"}}}, "land_ice_basal_temperature": {"IyrAnt": {"litempbotfl": {"cell_methods": "area: time: mean where floating_ice_shelf (comment: mask=sftflf)", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Basal temperature that is used to force the ice sheet models, it is the temperature AT ice shelf-ocean interface.  Cell_methods: area: mean where floating_ice_shelf"}, "litempbotgr": {"cell_methods": "area: time: mean where grounded_ice_sheet (comment: mask=sfgrlf)", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Basal temperature that is used to force the ice sheet models, it is the temperature AT ice sheet - bedrock interface. Cell_methods: area: mean where grounded_ice_sheet"}}, "ImonAnt": {"litempbotfl": {"cell_methods": "area: time: mean where floating_ice_shelf (comment: mask=sftflf)", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Basal temperature that is used to force the ice sheet models, it is the temperature AT ice shelf-ocean interface.  Cell_methods: area: mean where floating_ice_shelf"}, "litempbotgr": {"cell_methods": "area: time: mean where grounded_ice_sheet (comment: mask=sfgrlf)", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Basal temperature that is used to force the ice sheet models, it is the temperature AT ice sheet - bedrock interface. Cell_methods: area: mean where grounded_ice_sheet"}}, "IyrGre": {"litempbotfl": {"cell_methods": "area: time: mean where floating_ice_shelf (comment: mask=sftflf)", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Basal temperature that is used to force the ice sheet models, it is the temperature AT ice shelf-ocean interface.  Cell_methods: area: mean where floating_ice_shelf"}, "litempbotgr": {"cell_methods": "area: time: mean where grounded_ice_sheet (comment: mask=sfgrlf)", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Basal temperature that is used to force the ice sheet models, it is the temperature AT ice sheet - bedrock interface. Cell_methods: area: mean where grounded_ice_sheet"}}, "ImonGre": {"litempbotfl": {"cell_methods": "area: time: mean where floating_ice_shelf (comment: mask=sftflf)", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Basal temperature that is used to force the ice sheet models, it is the temperature AT ice shelf-ocean interface.  Cell_methods: area: mean where floating_ice_shelf"}, "litempbotgr": {"cell_methods": "area: time: mean where grounded_ice_sheet (comment: mask=sfgrlf)", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Basal temperature that is used to force the ice sheet models, it is the temperature AT ice sheet - bedrock interface. Cell_methods: area: mean where grounded_ice_sheet"}}}, "temperature_at_top_of_ice_sheet_model": {"IyrAnt": {"litemptop": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Upper boundary temperature that is used to force ice sheet models. It is the temperature at the base of the snowpack models, and does not vary with seasons. Report surface temperature of ice sheet where snow thickness is zero"}}, "ImonAnt": {"litemptop": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Upper boundary temperature that is used to force ice sheet models. It is the temperature at the base of the snowpack models, and does not vary with seasons. Report surface temperature of ice sheet where snow thickness is zero"}}, "IyrGre": {"litemptop": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Upper boundary temperature that is used to force ice sheet models. It is the temperature at the base of the snowpack models, and does not vary with seasons. Report surface temperature of ice sheet where snow thickness is zero"}}, "LImon": {"litemptopIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Upper boundary temperature that is used to force ice sheet models. It is the temperature at the base of the snowpack models, and does not vary with seasons. Report surface temperature of ice sheet where snow thickness is zero"}}, "ImonGre": {"litemptop": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Upper boundary temperature that is used to force ice sheet models. It is the temperature at the base of the snowpack models, and does not vary with seasons. Report surface temperature of ice sheet where snow thickness is zero"}}}, "land_ice_thickness": {"IyrAnt": {"lithk": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "The thickness of the ice sheet"}}, "IfxAnt": {"lithk": {"cell_methods": "area: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant", "comment": "The thickness of the ice sheet"}}, "IyrGre": {"lithk": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "The thickness of the ice sheet"}}, "IfxGre": {"lithk": {"cell_methods": "area: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre", "comment": "The thickness of the ice sheet"}}}, "surface_altitude": {"IyrAnt": {"orog": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. Altitude is the (geometric) height above the geoid, which is the reference geopotential surface. The geoid is similar to mean sea level."}}, "fx": {"orog": {"cell_methods": "area: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. Altitude is the (geometric) height above the geoid, which is the reference geopotential surface. The geoid is similar to mean sea level."}}, "ImonAnt": {"orog": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. Altitude is the (geometric) height above the geoid, which is the reference geopotential surface. The geoid is similar to mean sea level."}}, "Emon": {"orog": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. Altitude is the (geometric) height above the geoid, which is the reference geopotential surface. The geoid is similar to mean sea level."}}, "IyrGre": {"orog": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. Altitude is the (geometric) height above the geoid, which is the reference geopotential surface. The geoid is similar to mean sea level."}}, "LImon": {"orogIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. Altitude is the (geometric) height above the geoid, which is the reference geopotential surface. The geoid is similar to mean sea level."}}, "ImonGre": {"orog": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. Altitude is the (geometric) height above the geoid, which is the reference geopotential surface. The geoid is similar to mean sea level."}}}, "floating_ice_shelf_area_fraction": {"IyrAnt": {"sftflf": {"cell_methods": "area: time: mean", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Percentage of grid cell covered by floating ice shelf, the component of the ice sheet that is flowing over sea water"}}, "Efx": {"sftflf": {"cell_methods": "area: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude", "comment": "Percentage of grid cell covered by floating ice shelf, the component of the ice sheet that is flowing over sea water"}}, "IyrGre": {"sftflf": {"cell_methods": "area: time: mean", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Percentage of grid cell covered by floating ice shelf, the component of the ice sheet that is flowing over sea water"}}, "LImon": {"sftflf": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Percentage of grid cell covered by floating ice shelf, the component of the ice sheet that is flowing over sea water"}}}, "land_ice_area_fraction": {"IyrAnt": {"sftgif": {"cell_methods": "area: time: mean", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Percentage of grid cell covered by land ice (ice sheet, ice shelf, ice cap, glacier)"}}, "fx": {"sftgif": {"cell_methods": "area: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude", "comment": "Percentage of grid cell covered by land ice (ice sheet, ice shelf, ice cap, glacier)"}}, "IyrGre": {"sftgif": {"cell_methods": "area: time: mean", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Percentage of grid cell covered by land ice (ice sheet, ice shelf, ice cap, glacier)"}}, "LImon": {"sftgif": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Percentage of grid cell covered by land ice (ice sheet, ice shelf, ice cap, glacier)"}}}, "grounded_ice_sheet_area_fraction": {"IyrAnt": {"sftgrf": {"cell_methods": "area: time: mean", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Percentage of grid cell covered by grounded ice sheet"}}, "Efx": {"sftgrf": {"cell_methods": "area: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude", "comment": "Percentage of grid cell covered by grounded ice sheet"}}, "IyrGre": {"sftgrf": {"cell_methods": "area: time: mean", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Percentage of grid cell covered by grounded ice sheet"}}, "LImon": {"sftgrf": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Percentage of grid cell covered by grounded ice sheet"}}}, "surface_snow_area_fraction": {"IyrAnt": {"snc": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Percentage of each grid cell that is occupied by snow that rests on land portion of cell."}}, "ImonAnt": {"snc": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Percentage of each grid cell that is occupied by snow that rests on land portion of cell."}}, "day": {"snc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Percentage of each grid cell that is occupied by snow that rests on land portion of cell."}}, "SImon": {"siitdsnconc": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siitdconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude iceband time", "comment": "Percentage of grid cell covered by snow in each ice-thickness category (vector with one entry for each thickness category starting from the thinnest category, netcdf file should use thickness bounds of the categories as third coordinate axis)"}, "sisnconc": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Percentage of sea ice, by area, which is covered by snow, giving equal weight to every square metre of sea ice . Exclude snow that lies on land or land ice."}}, "IyrGre": {"snc": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Percentage of each grid cell that is occupied by snow that rests on land portion of cell."}}, "LImon": {"snc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Percentage of each grid cell that is occupied by snow that rests on land portion of cell."}, "sncIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Percentage of each grid cell that is occupied by snow that rests on land portion of cell."}}, "ImonGre": {"snc": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Percentage of each grid cell that is occupied by snow that rests on land portion of cell."}}}, "land_ice_basal_drag": {"IyrAnt": {"strbasemag": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Magnitude of basal drag at land ice base"}}, "IyrGre": {"strbasemag": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Magnitude of basal drag at land ice base"}}}, "tendency_of_land_ice_mass_due_to_surface_mass_balance": {"IyrAnt": {"tendacabf": {"cell_methods": "area: sum where ice_sheet time: mean", "cell_measures": "", "dimensions": "time", "comment": "The total surface mass balance flux over land ice is a spatial integration of the surface mass balance flux"}}, "IyrGre": {"tendacabf": {"cell_methods": "area: sum where ice_sheet time: mean", "cell_measures": "", "dimensions": "time", "comment": "The total surface mass balance flux over land ice is a spatial integration of the surface mass balance flux"}}}, "tendency_of_land_ice_mass_due_to_basal_mass_balance": {"IyrAnt": {"tendlibmassbf": {"cell_methods": "area: sum where ice_sheet time: mean", "cell_measures": "", "dimensions": "time", "comment": "The total basal mass balance flux over land ice is a spatial integration of the basal mass balance flux"}}, "IyrGre": {"tendlibmassbf": {"cell_methods": "area: sum where ice_sheet time: mean", "cell_measures": "", "dimensions": "time", "comment": "The total basal mass balance flux over land ice is a spatial integration of the basal mass balance flux"}}}, "tendency_of_land_ice_mass_due_to_calving": {"IyrAnt": {"tendlicalvf": {"cell_methods": "area: sum where ice_sheet time: mean", "cell_measures": "", "dimensions": "time", "comment": "The total calving flux over land ice is a spatial integration of the calving flux"}}, "IyrGre": {"tendlicalvf": {"cell_methods": "area: sum where ice_sheet time: mean", "cell_measures": "", "dimensions": "time", "comment": "The total calving flux over land ice is a spatial integration of the calving flux"}}}, "bedrock_altitude": {"IyrAnt": {"topg": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "The bedrock topography beneath the land ice"}}, "IfxAnt": {"topg": {"cell_methods": "area: mean where grounded_ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant", "comment": "The bedrock topography beneath the land ice"}}, "IyrGre": {"topg": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "The bedrock topography beneath the land ice"}}, "IfxGre": {"topg": {"cell_methods": "area: mean where grounded_ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre", "comment": "The bedrock topography beneath the land ice"}}}, "land_ice_basal_x_velocity": {"IyrAnt": {"xvelbase": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "A velocity is a vector quantity. 'x' indicates a vector component along the grid x-axis, positive with increasing x. 'Land ice' means glaciers, ice-caps and ice-sheets resting on bedrock and also includes ice-shelves. 'basal' means the lower boundary of the land ice."}}, "IyrGre": {"xvelbase": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "A velocity is a vector quantity. 'x' indicates a vector component along the grid x-axis, positive with increasing x. 'Land ice' means glaciers, ice-caps and ice-sheets resting on bedrock and also includes ice-shelves. 'basal' means the lower boundary of the land ice."}}}, "land_ice_vertical_mean_x_velocity": {"IyrAnt": {"xvelmean": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "The vertical mean land ice velocity is the average from the bedrock to the surface of the ice"}}, "IyrGre": {"xvelmean": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "The vertical mean land ice velocity is the average from the bedrock to the surface of the ice"}}}, "land_ice_surface_x_velocity": {"IyrAnt": {"xvelsurf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "A velocity is a vector quantity. 'x' indicates a vector component along the grid x-axis, positive with increasing x. 'Land ice' means glaciers, ice-caps and ice-sheets resting on bedrock and also includes ice-shelves. The surface called 'surface' means the lower boundary of the atmosphere."}}, "IyrGre": {"xvelsurf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "A velocity is a vector quantity. 'x' indicates a vector component along the grid x-axis, positive with increasing x. 'Land ice' means glaciers, ice-caps and ice-sheets resting on bedrock and also includes ice-shelves. The surface called 'surface' means the lower boundary of the atmosphere."}}}, "land_ice_basal_y_velocity": {"IyrAnt": {"yvelbase": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "A velocity is a vector quantity. 'y' indicates a vector component along the grid y-axis, positive with increasing y. 'Land ice' means glaciers, ice-caps and ice-sheets resting on bedrock and also includes ice-shelves. 'basal' means the lower boundary of the land ice."}}, "IyrGre": {"yvelbase": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "A velocity is a vector quantity. 'y' indicates a vector component along the grid y-axis, positive with increasing y. 'Land ice' means glaciers, ice-caps and ice-sheets resting on bedrock and also includes ice-shelves. 'basal' means the lower boundary of the land ice."}}}, "land_ice_vertical_mean_y_velocity": {"IyrAnt": {"yvelmean": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "The vertical mean land ice velocity is the average from the bedrock to the surface of the ice"}}, "IyrGre": {"yvelmean": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "The vertical mean land ice velocity is the average from the bedrock to the surface of the ice"}}}, "land_ice_surface_y_velocity": {"IyrAnt": {"yvelsurf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "A velocity is a vector quantity. 'y' indicates a vector component along the grid y-axis, positive with increasing y. 'Land ice' means glaciers, ice-caps and ice-sheets resting on bedrock and also includes ice-shelves. The surface called 'surface' means the lower boundary of the atmosphere.'"}}, "IyrGre": {"yvelsurf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "A velocity is a vector quantity. 'y' indicates a vector component along the grid y-axis, positive with increasing y. 'Land ice' means glaciers, ice-caps and ice-sheets resting on bedrock and also includes ice-shelves. The surface called 'surface' means the lower boundary of the atmosphere.'"}}}, "land_ice_basal_upward_velocity": {"IyrAnt": {"zvelbase": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "A velocity is a vector quantity. 'Upward' indicates a vector component which is positive when directed upward (negative downward). 'basal' means the lower boundary of the atmosphere"}}, "IyrGre": {"zvelbase": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "A velocity is a vector quantity. 'Upward' indicates a vector component which is positive when directed upward (negative downward). 'basal' means the lower boundary of the atmosphere"}}}, "land_ice_surface_upward_velocity": {"IyrAnt": {"zvelsurf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "A velocity is a vector quantity. 'Upward' indicates a vector component which is positive when directed upward (negative downward). The surface called 'surface' means the lower boundary of the atmosphere"}}, "IyrGre": {"zvelsurf": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "A velocity is a vector quantity. 'Upward' indicates a vector component which is positive when directed upward (negative downward). The surface called 'surface' means the lower boundary of the atmosphere"}}}, "mass_concentration_of_phytoplankton_expressed_as_chlorophyll_in_sea_water": {"Oday": {"chlos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Sum of chlorophyll from all phytoplankton group concentrations at the sea surface.  In most models this is equal to chldiat+chlmisc, that is the sum of 'Diatom Chlorophyll Mass Concentration' plus 'Other Phytoplankton Chlorophyll Mass Concentration'"}}, "Oyr": {"chl": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sum of chlorophyll from all phytoplankton group concentrations.  In most models this is equal to chldiat+chlmisc, that is the sum of Diatom Chlorophyll Mass Concentration and Other Phytoplankton Chlorophyll Mass Concentration"}}, "Omon": {"chl": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sum of chlorophyll from all phytoplankton group concentrations.  In most models this is equal to chldiat+chlmisc, that is the sum of Diatom Chlorophyll Mass Concentration and Other Phytoplankton Chlorophyll Mass Concentration"}, "chlos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Sum of chlorophyll from all phytoplankton group concentrations at the sea surface.  In most models this is equal to chldiat+chlmisc, that is the sum of 'Diatom Chlorophyll Mass Concentration' plus 'Other Phytoplankton Chlorophyll Mass Concentration'"}}}, "ocean_mixed_layer_thickness_defined_by_mixing_scheme": {"Oday": {"omldamax": {"cell_methods": "area: mean time: maximum", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "The ocean mixed layer is the upper part of the ocean, regarded as being well-mixed. The base of the mixed layer defined by the mixing scheme is a diagnostic of ocean models. 'Thickness' means the vertical extent of a layer."}}}, "mole_concentration_of_phytoplankton_expressed_as_carbon_in_sea_water": {"Oday": {"phycos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "sum of phytoplankton organic carbon component concentrations at the sea surface"}}, "Oyr": {"phyc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "sum of phytoplankton carbon component concentrations.  In most (all?) cases this is the sum of phycdiat and phycmisc (i.e., 'Diatom Carbon Concentration' and 'Non-Diatom Phytoplankton Carbon Concentration'"}}, "Omon": {"phyc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "sum of phytoplankton carbon component concentrations.  In most (all?) cases this is the sum of phycdiat and phycmisc (i.e., 'Diatom Carbon Concentration' and 'Non-Diatom Phytoplankton Carbon Concentration'"}, "phycos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "sum of phytoplankton organic carbon component concentrations at the sea surface"}}}, "sea_surface_salinity": {"Oday": {"sos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Sea water salinity is the salt content of sea water, often on the Practical Salinity Scale of 1978. However, the unqualified term 'salinity' is generic and does not necessarily imply any particular method of calculation. The units of salinity are dimensionless and the units attribute should normally be given as 1e-3 or 0.001 i.e. parts per thousand. "}}, "Omon": {"sos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Sea water salinity is the salt content of sea water, often on the Practical Salinity Scale of 1978. However, the unqualified term 'salinity' is generic and does not necessarily imply any particular method of calculation. The units of salinity are dimensionless and the units attribute should normally be given as 1e-3 or 0.001 i.e. parts per thousand. "}, "sosga": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "", "dimensions": "time", "comment": "Sea water salinity is the salt content of sea water, often on the Practical Salinity Scale of 1978. However, the unqualified term 'salinity' is generic and does not necessarily imply any particular method of calculation. The units of salinity are dimensionless and the units attribute should normally be given as 1e-3 or 0.001 i.e. parts per thousand. "}}, "Odec": {"sos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Sea water salinity is the salt content of sea water, often on the Practical Salinity Scale of 1978. However, the unqualified term 'salinity' is generic and does not necessarily imply any particular method of calculation. The units of salinity are dimensionless and the units attribute should normally be given as 1e-3 or 0.001 i.e. parts per thousand. "}, "sosga": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "", "dimensions": "time", "comment": "Sea water salinity is the salt content of sea water, often on the Practical Salinity Scale of 1978. However, the unqualified term 'salinity' is generic and does not necessarily imply any particular method of calculation. The units of salinity are dimensionless and the units attribute should normally be given as 1e-3 or 0.001 i.e. parts per thousand. "}}}, "square_of_sea_surface_salinity": {"Oday": {"sossq": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Sea water salinity is the salt content of sea water, often on the Practical Salinity Scale of 1978. However, the unqualified term 'salinity' is generic and does not necessarily imply any particular method of calculation. The units of salinity are dimensionless and the units attribute should normally be given as 1e-3 or 0.001 i.e. parts per thousand. "}}, "Omon": {"sossq": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Sea water salinity is the salt content of sea water, often on the Practical Salinity Scale of 1978. However, the unqualified term 'salinity' is generic and does not necessarily imply any particular method of calculation. The units of salinity are dimensionless and the units attribute should normally be given as 1e-3 or 0.001 i.e. parts per thousand. "}}}, "sea_surface_temperature": {"Oday": {"tos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Temperature of upper boundary of the liquid ocean, including temperatures below sea-ice and floating ice shelves."}}, "3hr": {"tos": {"cell_methods": "area: mean where sea time: point", "cell_measures": "area: areacello", "dimensions": "longitude latitude time1", "comment": "Temperature of upper boundary of the liquid ocean, including temperatures below sea-ice and floating ice shelves."}}, "Omon": {"tos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Temperature of upper boundary of the liquid ocean, including temperatures below sea-ice and floating ice shelves."}, "tosga": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "", "dimensions": "time", "comment": "Temperature of upper boundary of the liquid ocean, including temperatures below sea-ice and floating ice shelves."}}, "Odec": {"tos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Temperature of upper boundary of the liquid ocean, including temperatures below sea-ice and floating ice shelves."}, "tosga": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "", "dimensions": "time", "comment": "Temperature of upper boundary of the liquid ocean, including temperatures below sea-ice and floating ice shelves."}}}, "square_of_sea_surface_temperature": {"Oday": {"tossq": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Square of temperature of liquid ocean."}}, "Omon": {"tossq": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Square of temperature of liquid ocean."}}}, "mole_fraction_of_nitrogen_dioxide_in_air": {"AERhr": {"sfno2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}, "AERmon": {"no2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}}, "mass_fraction_of_pm2p5_ambient_aerosol_particles_in_air": {"AERhr": {"sfpm25": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Mass fraction of atmospheric particulate compounds with an aerodynamic diameter of less than or equal to 2.5 micrometers. To specify the relative humidity and temperature at which the particle size applies, provide scalar coordinate variables with the standard names of 'relative_humidity' and 'air_temperature'."}}}, "area_fraction": {"Eyr": {"baresoilFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typebare", "comment": "Percentage of entire grid cell  that is covered by bare soil."}, "cropFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typecrop", "comment": "Percentage of entire grid cell  that is covered by crop."}, "fracInLut": {"cell_methods": "area: mean where land over all_area_types time: sum", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "Cumulative percentage transitions over the year; note that percentage should be reported as a percentage of atmospheric grid cell"}, "fracLut": {"cell_methods": "area: mean where land over all_area_types time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time1", "comment": "End of year values (not annual mean); note that percentage should be reported as percentage of land grid cell (example: frac_lnd = 0.5, frac_ocn = 0.5, frac_crop_lnd = 0.2 (of land portion of grid cell), then frac_lut(crop) = 0.5*0.2 = 0.1)"}, "fracOutLut": {"cell_methods": "area: mean where land over all_area_types time: sum", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "Cumulative percentage transitions over the year; note that percentage should be reported as percentage of atmospheric grid cell"}, "grassFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typenatgr", "comment": "Percentage of entire grid cell that is covered by natural grass."}, "residualFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typeresidual", "comment": "Percentage of entire grid cell  that is land and is covered by  neither vegetation nor bare-soil (e.g., urban, ice, lakes, etc.)"}, "shrubFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typeshrub", "comment": "Percentage of entire grid cell  that is covered by shrub."}, "treeFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typetree", "comment": "Percentage of entire grid cell  that is covered by trees."}, "vegFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typeveg", "comment": "Percentage of grid cell that is covered by vegetation.This SHOULD be the sum of tree, grass (natural and pasture), crop and shrub fractions."}}, "SImon": {"simpconc": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time typemp", "comment": "Percentage of sea ice, by area, which is covered by melt ponds, giving equal weight to every square metre of sea ice ."}, "sirdgconc": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time typesirdg", "comment": "Fraction of sea ice, by area, which is covered by sea ice ridges, giving equal weight to every square metre of sea ice ."}}, "Emon": {"cropFracC3": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typec3crop", "comment": "Percentage of entire grid cell covered by C3 crops"}, "cropFracC4": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typec4crop", "comment": "Percentage of entire grid cell covered by C4 crops"}, "fracLut": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "End of year values (not annual mean); note that percentage should be reported as percentage of land grid cell (example: frac_lnd = 0.5, frac_ocn = 0.5, frac_crop_lnd = 0.2 (of land portion of grid cell), then frac_lut(crop) = 0.5*0.2 = 0.1)"}, "grassFracC3": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typec3natg", "comment": "Percentage of entire grid cell covered by C3 natural grass."}, "grassFracC4": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typec4natg", "comment": "Percentage of entire grid cell covered by C4 natural grass."}, "nwdFracLut": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time typenwd", "comment": "Percentage of land use tile tile that is non-woody vegetation ( e.g. herbaceous crops)"}, "pastureFracC3": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typec3pastures", "comment": "Percentage of entire grid cell covered by C3 pasture"}, "pastureFracC4": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typec4pastures", "comment": "Percentage of entire grid cell covered by C4 pasture"}, "treeFracBdlDcd": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typetreebd", "comment": "This is the percentage of the entire grid cell that is covered by broadleaf deciduous trees."}, "treeFracBdlEvg": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typetreebe", "comment": "This is the percentage of the entire grid cell that is covered by broadleaf evergreen trees."}, "treeFracNdlDcd": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typetreend", "comment": "This is the percentage of the entire grid cell that is covered by needleleaf deciduous trees."}, "treeFracNdlEvg": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typetreene", "comment": "This is the percentage of the entire grid cell that is covered by needleleaf evergreen trees."}, "vegFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typeveg", "comment": "Percentage of grid cell that is covered by vegetation.This SHOULD be the sum of tree, grass (natural and pasture), crop and shrub fractions."}, "wetlandFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typewetla", "comment": "Percentage of grid cell covered by wetland. Report only one year if  fixed percentage is used, or time series if values are determined dynamically."}}, "Lmon": {"baresoilFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typebare", "comment": "Percentage of entire grid cell  that is covered by bare soil."}, "burntFractionAll": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typeburnt", "comment": "Percentage of grid cell burned due to all fires including natural and anthropogenic fires and those associated with anthropogenic Land-use change"}, "c3PftFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typec3pft", "comment": "Percentage of entire grid cell  that is covered by C3 PFTs (including grass, crops, and trees)."}, "c4PftFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typec4pft", "comment": "Percentage of entire grid cell  that is covered by C4 PFTs (including grass and crops)."}, "cropFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typecrop", "comment": "Percentage of entire grid cell  that is covered by crop."}, "grassFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typenatgr", "comment": "Percentage of entire grid cell that is covered by natural grass."}, "landCoverFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude vegtype time", "comment": "Percentage of grid cell area occupied by different model vegetation/land cover categories. The categories may differ from model to model, depending on each model's subgrid land cover category definitions. Categories may include natural vegetation, anthropogenic vegetation, bare soil, lakes, urban areas, glaciers, etc. Sum of all should equal the percentage of the grid cell that is land."}, "pastureFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typepasture", "comment": "Percentage of entire grid cell  that is covered by anthropogenic pasture."}, "residualFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typeresidual", "comment": "Percentage of entire grid cell  that is land and is covered by  neither vegetation nor bare-soil (e.g., urban, ice, lakes, etc.)"}, "shrubFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typeshrub", "comment": "Percentage of entire grid cell  that is covered by shrub."}, "treeFrac": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typetree", "comment": "Percentage of entire grid cell  that is covered by trees."}, "treeFracPrimDec": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typepdec", "comment": "Percentage of the entire grid cell  that is covered by total primary deciduous trees."}, "treeFracPrimEver": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typepever", "comment": "Percentage of entire grid cell  that is covered by primary evergreen trees."}, "treeFracSecDec": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typesdec", "comment": "Percentage of entire grid cell  that is covered by secondary deciduous trees."}, "treeFracSecEver": {"cell_methods": "area: mean where land over all_area_types time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typesever", "comment": "Percentage of entire grid cell  that is covered by secondary evergreen trees."}}}, "litter_mass_content_of_carbon": {"Eyr": {"cLitter": {"cell_methods": "area: mean where land time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "'Litter' is dead plant material in or above the soil. It is distinct from coarse wood debris. The precise distinction between 'fine' and 'coarse' is model dependent. 'Content' indicates a quantity per unit area. The sum of the quantities with standard names surface_litter_mass_content_of_carbon and subsurface_litter_mass_content_of_carbon has the standard name litter_mass_content_of_carbon."}, "cLitterLut": {"cell_methods": "area: mean where sector time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time1", "comment": "end of year values (not annual mean)"}}, "Emon": {"cLitterGrass": {"cell_methods": "area: time: mean where natural_grasses (comment: mask=grassFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Litter' is dead plant material in or above the soil. It is distinct from coarse wood debris. The precise distinction between 'fine' and 'coarse' is model dependent. 'Content' indicates a quantity per unit area. The sum of the quantities with standard names surface_litter_mass_content_of_carbon and subsurface_litter_mass_content_of_carbon has the standard name litter_mass_content_of_carbon."}, "cLitterShrub": {"cell_methods": "area: time: mean where shrubs (comment: mask=shrubFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Litter' is dead plant material in or above the soil. It is distinct from coarse wood debris. The precise distinction between 'fine' and 'coarse' is model dependent. 'Content' indicates a quantity per unit area. The sum of the quantities with standard names surface_litter_mass_content_of_carbon and subsurface_litter_mass_content_of_carbon has the standard name litter_mass_content_of_carbon."}, "cLitterTree": {"cell_methods": "area: time: mean where trees (comment: mask=treeFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Litter' is dead plant material in or above the soil. It is distinct from coarse wood debris. The precise distinction between 'fine' and 'coarse' is model dependent. 'Content' indicates a quantity per unit area. The sum of the quantities with standard names surface_litter_mass_content_of_carbon and subsurface_litter_mass_content_of_carbon has the standard name litter_mass_content_of_carbon."}}, "Lmon": {"cLitter": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Litter' is dead plant material in or above the soil. It is distinct from coarse wood debris. The precise distinction between 'fine' and 'coarse' is model dependent. 'Content' indicates a quantity per unit area. The sum of the quantities with standard names surface_litter_mass_content_of_carbon and subsurface_litter_mass_content_of_carbon has the standard name litter_mass_content_of_carbon."}}}, "carbon_mass_content_of_forestry_and_agricultural_products": {"Eyr": {"cProduct": {"cell_methods": "area: mean where land time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Carbon mass per unit area in that has been removed from the environment through  land use change."}, "cProductLut": {"cell_methods": "area: mean where sector time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time1", "comment": "Anthropogenic pools associated with land use tiles into which harvests and cleared carbon are deposited before release into atmosphere PLUS any remaining anthropogenic pools that may be associated with lands which were converted into land use tiles during reported period. Examples of products include paper, cardboard, timber for construction, and crop harvest for food or fuel. Does NOT include residue which is deposited into soil or litter; end of year values (not annual mean)."}}, "Lmon": {"cProduct": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass per unit area in that has been removed from the environment through  land use change."}}}, "soil_mass_content_of_carbon": {"Eyr": {"cSoil": {"cell_methods": "area: mean where land time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Carbon mass in the full depth of the soil model."}, "cSoilLut": {"cell_methods": "area: mean where sector time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time1", "comment": "end of year values (not annual mean)"}}, "Emon": {"cSoil": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass in the full depth of the soil model."}, "cSoilAbove1m": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time sdepth10", "comment": "Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction."}, "cSoilGrass": {"cell_methods": "area: time: mean where natural_grasses (comment: mask=grassFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Content' indicates a quantity per unit area. The 'soil content' of a quantity refers to the vertical integral from the surface down to the bottom of the soil model. For the content between specified levels in the soil, standard names including content_of_soil_layer are used."}, "cSoilLevels": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth time", "comment": "for models with vertically discretised soil carbon, report total soil carbon for each level"}, "cSoilPools": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude soilpools time", "comment": "For models with multiple soil carbon pools, report each pool here. If models also have vertical discretisation these should be aggregated"}, "cSoilShrub": {"cell_methods": "area: time: mean where shrubs (comment: mask=shrubFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Content' indicates a quantity per unit area. The 'soil content' of a quantity refers to the vertical integral from the surface down to the bottom of the soil model. For the content between specified levels in the soil, standard names including content_of_soil_layer are used."}, "cSoilTree": {"cell_methods": "area: time: mean where trees (comment: mask=treeFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Content' indicates a quantity per unit area. The 'soil content' of a quantity refers to the vertical integral from the surface down to the bottom of the soil model. For the content between specified levels in the soil, standard names including content_of_soil_layer are used."}}}, "vegetation_carbon_content": {"Eyr": {"cVeg": {"cell_methods": "area: mean where land time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Carbon mass per unit area in vegetation."}, "cVegLut": {"cell_methods": "area: mean where sector time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time1", "comment": "end of year values (not annual mean)"}}, "Emon": {"cVegGrass": {"cell_methods": "area: time: mean where natural_grasses (comment: mask=grassFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Content' indicates a quantity per unit area. 'Vegetation' means any plants e.g. trees, shrubs, grass. Plants are autotrophs i.e. 'producers' of biomass using carbon obtained from carbon dioxide."}, "cVegShrub": {"cell_methods": "area: time: mean where shrubs (comment: mask=shrubFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Content' indicates a quantity per unit area. 'Vegetation' means any plants e.g. trees, shrubs, grass. Plants are autotrophs i.e. 'producers' of biomass using carbon obtained from carbon dioxide."}, "cVegTree": {"cell_methods": "area: time: mean where trees (comment: mask=treeFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Content' indicates a quantity per unit area. 'Vegetation' means any plants e.g. trees, shrubs, grass. Plants are autotrophs i.e. 'producers' of biomass using carbon obtained from carbon dioxide."}}, "Lmon": {"cVeg": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass per unit area in vegetation."}}}, "tendency_of_air_temperature_due_to_radiative_heating": {"E1hr": {"tntr27": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time1", "comment": "Tendency of Air Temperature due to Radiative Heating"}}, "CFmon": {"tntr": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Tendency of Air Temperature due to Radiative Heating"}}, "CFsubhr": {"tntr": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Tendency of Air Temperature due to Radiative Heating"}}}, "tendency_of_eastward_wind_due_to_nonorographic_gravity_wave_drag": {"E1hr": {"utendnogw27": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time1", "comment": "Tendency of the eastward wind by parameterized nonorographic gravity waves."}}, "EdayZ": {"utendnogw": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Tendency of the eastward wind by parameterized nonorographic gravity waves."}}, "EmonZ": {"utendnogw": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Tendency of the eastward wind by parameterized nonorographic gravity waves."}}, "Emon": {"utendnogw": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Tendency of the eastward wind by parameterized nonorographic gravity waves."}}}, "tendency_of_northward_wind_due_to_nonorographic_gravity_wave_drag": {"E1hr": {"vtendnogw27": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time1", "comment": "Tendency of the northward wind by parameterized nonorographic gravity waves.  (Note that CF name tables only have a general northward tendency for all gravity waves, and we need it separated by type.)"}}, "EmonZ": {"vtendnogw": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Tendency of the northward wind by parameterized nonorographic gravity waves.  (Note that CF name tables only have a general northward tendency for all gravity waves, and we need it separated by type.)"}}, "Emon": {"vtendnogw": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Tendency of the northward wind by parameterized nonorographic gravity waves.  (Note that CF name tables only have a general northward tendency for all gravity waves, and we need it separated by type.)"}}}, "volume_fraction_of_clay_in_soil": {"Efx": {"clayfrac": {"cell_methods": "area: mean where land", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth", "comment": "'Volume fraction' is used in the construction volume_fraction_of_X_in_Y, where X is a material constituent of Y."}}}, "volume_fraction_of_condensed_water_in_soil_at_field_capacity": {"Efx": {"fldcapacity": {"cell_methods": "area: mean where land", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth", "comment": "The field capacity of soil is the maximum content of water it can retain against gravitational drainage. Provide as a percentage of the soil volume."}}, "Eday": {"mrsow": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Vertically integrated soil moisture divided by maximum allowable soil moisture above wilting point."}}}, "soil_hydraulic_conductivity_at_saturation": {"Efx": {"ksat": {"cell_methods": "area: mean where land", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth", "comment": "Hydraulic conductivity is the constant k in Darcy's Law q=-k grad h for fluid flow q (volume transport per unit area i.e. velocity) through a porous medium, where h is the hydraulic head (pressure expressed as an equivalent depth of water)."}}}, "downwelling_longwave_flux_in_air": {"Efx": {"rld": {"cell_methods": "area: point", "cell_measures": "", "dimensions": "alevhalf spectband", "comment": "Downwelling Longwave Radiation (includes the fluxes at the surface and TOA)"}}, "CFmon": {"rld": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Downwelling Longwave Radiation (includes the fluxes at the surface and TOA)"}, "rld4co2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Downwelling longwave radiation calculated using carbon dioxide concentrations increased fourfold (includes the fluxes at the surface and TOA)"}}, "CFsubhr": {"rld": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevhalf site time1", "comment": "Downwelling Longwave Radiation (includes the fluxes at the surface and TOA)"}}}, "upwelling_longwave_flux_in_air": {"Efx": {"rlu": {"cell_methods": "area: point", "cell_measures": "", "dimensions": "alevhalf spectband", "comment": "Upwelling longwave radiation (includes the fluxes at the surface and TOA)"}}, "CFmon": {"rlu": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Upwelling longwave radiation (includes the fluxes at the surface and TOA)"}, "rlu4co2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Upwelling longwave radiation calculated using carbon dioxide concentrations increased fourfold (includes the fluxes at the surface and TOA)"}}, "CFsubhr": {"rlu": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevhalf site time1", "comment": "Upwelling longwave radiation (includes the fluxes at the surface and TOA)"}}}, "root_mass_content_of_carbon": {"Efx": {"rootdsl": {"cell_methods": "area: mean where land", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth", "comment": "Mass of carbon in roots."}}, "Lmon": {"cRoot": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass per unit area in roots, including fine and coarse roots."}}}, "downwelling_shortwave_flux_in_air": {"Efx": {"rsd": {"cell_methods": "area: point", "cell_measures": "", "dimensions": "alevhalf spectband", "comment": "Downwelling shortwave radiation (includes the fluxes at the surface and top-of-atmosphere)"}}, "CFmon": {"rsd": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Downwelling shortwave radiation (includes the fluxes at the surface and top-of-atmosphere)"}, "rsd4co2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Downwelling shortwave radiation calculated using carbon dioxide concentrations increased fourfold"}}, "CFsubhr": {"rsd": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevhalf site time1", "comment": "Downwelling shortwave radiation (includes the fluxes at the surface and top-of-atmosphere)"}}}, "upwelling_shortwave_flux_in_air": {"Efx": {"rsu": {"cell_methods": "area: point", "cell_measures": "", "dimensions": "alevhalf spectband", "comment": "Upwelling shortwave radiation  (includes also the fluxes at the surface and top of atmosphere)"}}, "CFmon": {"rsu": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Upwelling shortwave radiation  (includes also the fluxes at the surface and top of atmosphere)"}, "rsu4co2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Upwelling Shortwave Radiation calculated using carbon dioxide concentrations increased fourfold"}}, "CFsubhr": {"rsu": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevhalf site time1", "comment": "Upwelling shortwave radiation  (includes also the fluxes at the surface and top of atmosphere)"}}}, "volume_fraction_of_sand_in_soil": {"Efx": {"sandfrac": {"cell_methods": "area: mean where land", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth", "comment": "'Volume fraction' is used in the construction volume_fraction_of_X_in_Y, where X is a material constituent of Y."}}}, "volume_fraction_of_silt_in_soil": {"Efx": {"siltfrac": {"cell_methods": "area: mean where land", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth", "comment": "Volume fraction of silt in soil"}}}, "canopy_height": {"Efx": {"vegHeight": {"cell_methods": "area: mean where land", "cell_measures": "area: areacella", "dimensions": "longitude latitude", "comment": "Vegetation height averaged over all vegetation types and over the vegetated fraction of a grid cell."}}, "Emon": {"vegHeight": {"cell_methods": "area: time: mean where vegetation (comment: mask=vegFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Vegetation height averaged over all vegetation types and over the vegetated fraction of a grid cell."}, "vegHeightCrop": {"cell_methods": "area: time: mean where crops (comment: mask=cropFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Vegetation height averaged over the crop fraction of a grid cell."}, "vegHeightGrass": {"cell_methods": "area: time: mean where natural_grasses (comment: mask=grassFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Vegetation height averaged over the grass fraction of a grid cell."}, "vegHeightPasture": {"cell_methods": "area: time: mean where pastures (comment: mask=pastureFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Vegetation height averaged over the pasture fraction of a grid cell."}, "vegHeightShrub": {"cell_methods": "area: time: mean where shrubs (comment: mask=shrubFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Vegetation height averaged over the shrub fraction of a grid cell."}, "vegHeightTree": {"cell_methods": "area: time: mean where trees (comment: mask=treeFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Vegetation height averaged over the tree fraction of a grid cell."}}}, "volume_fraction_of_condensed_water_in_soil_at_wilting_point": {"Efx": {"wilt": {"cell_methods": "area: mean where land", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth", "comment": "Percentage water content of soil by volume at the wilting point. The wilting point of soil is the water content below which plants cannot extract sufficient water to balance their loss through transpiration. "}}}, "sea_ice_area_fraction": {"SIday": {"siconc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time typesi", "comment": "Percentage of grid cell covered by sea ice"}, "siconca": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typesi", "comment": "Percentage of grid cell covered by sea ice"}}, "SImon": {"siconc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time typesi", "comment": "Percentage of grid cell covered by sea ice"}, "siconca": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time typesi", "comment": "Percentage of grid cell covered by sea ice"}, "siitdconc": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude iceband time", "comment": "Percentage of grid cell covered by each ice-thickness category (vector with one entry for each thickness category starting from the thinnest category, netcdf file should use thickness bounds of the categories as third coordinate axis)"}}}, "surface_snow_thickness": {"SIday": {"sisnthick": {"cell_methods": "area: mean where snow over sea_ice area: time: mean where sea_ice", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Actual thickness of snow (snow volume divided by snow-covered area)"}}, "Eday": {"snd": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "where land over land, this is computed as the mean thickness of snow in the land portion of the grid cell (averaging over the entire land portion, including the snow-free fraction).  Reported as 0.0 where the land fraction is 0."}}, "SImon": {"siitdsnthick": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siitdconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude iceband time", "comment": "Actual thickness of snow in each  category (NOT volume divided by grid area),  (vector with one entry for each thickness category starting from the thinnest category, netcdf file should use thickness bounds of categories as third coordinate axis)"}, "sisnthick": {"cell_methods": "area: mean where snow over sea_ice area: time: mean where sea_ice", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Actual thickness of snow (snow volume divided by snow-covered area)"}}, "LImon": {"snd": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "where land over land, this is computed as the mean thickness of snow in the land portion of the grid cell (averaging over the entire land portion, including the snow-free fraction).  Reported as 0.0 where the land fraction is 0."}}}, "sea_ice_speed": {"SIday": {"sispeed": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Speed of ice (i.e. mean absolute velocity) to account for back-and-forth movement of the ice"}}, "SImon": {"sispeed": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Speed of ice (i.e. mean absolute velocity) to account for back-and-forth movement of the ice"}}}, "sea_ice_surface_temperature": {"SIday": {"sitemptop": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Report surface temperature of snow where snow covers the sea ice."}}, "SImon": {"sitempsnic": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Report surface temperature of ice where snow thickness is zero"}, "sitemptop": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Report surface temperature of snow where snow covers the sea ice."}}}, "sea_ice_thickness": {"SIday": {"sithick": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Actual (floe) thickness of sea ice (NOT volume divided by grid area as was done in CMIP5)"}}, "SImon": {"siitdthick": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siitdconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude iceband time", "comment": "Actual (floe) thickness of sea ice in each  category (NOT volume divided by grid area),  (vector with one entry for each thickness category starting from the thinnest category, netcdf file should use thickness bounds of categories as third coordinate axis)"}, "sirdgthick": {"cell_methods": "area: time: mean where sea_ice_ridges (comment: mask=sirdgconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Sea Ice Ridge Height (representing mean height over the ridged area)"}, "sithick": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Actual (floe) thickness of sea ice (NOT volume divided by grid area as was done in CMIP5)"}, "sivol": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Total volume of sea ice divided by grid-cell area (this used to be called ice thickness in CMIP5)"}}}, "fraction_of_time_with_sea_ice_area_fraction_above_threshold": {"SIday": {"sitimefrac": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Fraction of time steps of the averaging period during which sea ice is present (siconc >0 ) in a grid cell"}}, "SImon": {"sitimefrac": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Fraction of time steps of the averaging period during which sea ice is present (siconc >0 ) in a grid cell"}}}, "sea_ice_x_velocity": {"SIday": {"siu": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "--MODEL", "dimensions": "longitude latitude time", "comment": "The x-velocity of ice on native model grid"}}, "SImon": {"siu": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "--MODEL", "dimensions": "longitude latitude time", "comment": "The x-velocity of ice on native model grid"}}}, "sea_ice_y_velocity": {"SIday": {"siv": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "--MODEL", "dimensions": "longitude latitude time", "comment": "The y-velocity of ice on native model grid"}}, "SImon": {"siv": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "--MODEL", "dimensions": "longitude latitude time", "comment": "The y-velocity of ice on native model grid"}}}, "northward_eliassen_palm_flux_in_air": {"EdayZ": {"epfy": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Transformed Eulerian Mean Diagnostics Meridional component Fy of Eliassen-Palm (EP) flux (Fy, Fz) derived from 6hr or higher frequency fields (use daily fields or 12 hr fields if the 6 hr are not available). Please use the definitions given by equation 3.5.3a of Andrews, Holton and Leovy text book, but scaled by density to have units m3 s-2."}}, "EmonZ": {"epfy": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Transformed Eulerian Mean Diagnostics Meridional component Fy of Eliassen-Palm (EP) flux (Fy, Fz) derived from 6hr or higher frequency fields (use daily fields or 12 hr fields if the 6 hr are not available). Please use the definitions given by equation 3.5.3a of Andrews, Holton and Leovy text book, but scaled by density to have units m3 s-2."}}}, "upward_eliassen_palm_flux_in_air": {"EdayZ": {"epfz": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Transformed Eulerian Mean Diagnostics Meridional component Fz of the Eliassen-Palm (EP) flux (Fy, Fz) derived from 6hr or higher frequency fields (use daily fields or 12 hr fields if the 6 hr are not available). Please use the definitions given by equation 3.5.3b of Andrews, Holton and Leovy text book, but scaled by density to have units m3 s-2."}}, "EmonZ": {"epfz": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Transformed Eulerian Mean Diagnostics Meridional component Fz of the Eliassen-Palm (EP) flux (Fy, Fz) derived from 6hr or higher frequency fields (use daily fields or 12 hr fields if the 6 hr are not available). Please use the definitions given by equation 3.5.3b of Andrews, Holton and Leovy text book, but scaled by density to have units m3 s-2."}}}, "atmosphere_transformed_eulerian_mean_meridional_overturning_mass_streamfunction": {"EdayZ": {"psitem": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Residual mass streamfunction, computed from vstar and integrated from the top of the atmosphere (on the native model grid). Reference: Andrews et al (1987): Middle Atmospheric Dynamics. Academic Press."}}}, "tendency_of_eastward_wind_due_to_eliassen_palm_flux_divergence": {"EdayZ": {"utendepfd": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Tendency of the zonal mean zonal wind due to the divergence of the Eliassen-Palm flux."}}, "EmonZ": {"utendepfd": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Tendency of the zonal mean zonal wind due to the divergence of the Eliassen-Palm flux."}}}, "tendency_of_eastward_wind_due_to_orographic_gravity_wave_drag": {"EdayZ": {"utendogw": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Tendency of the eastward wind by parameterized orographic gravity waves."}}, "Emon": {"utendogw": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Tendency of the eastward wind by parameterized orographic gravity waves."}}}, "tendency_of_eastward_wind_due_to_advection_by_northward_transformed_eulerian_mean_air_velocity": {"EdayZ": {"utendvtem": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Tendency of zonally averaged eastward wind, by the residual northward wind advection (on the native model grid). Reference: Andrews et al (1987): Middle Atmospheric Dynamics. Academic Press."}}}, "tendency_of_eastward_wind_due_to_advection_by_upward_transformed_eulerian_mean_air_velocity": {"EdayZ": {"utendwtem": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Tendency of zonally averaged eastward wind, by the residual upward wind advection (on the native model grid). Reference: Andrews et al (1987): Middle Atmospheric Dynamics. Academic Press."}}}, "northward_transformed_eulerian_mean_air_velocity": {"EdayZ": {"vtem": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Transformed Eulerian Mean Diagnostics v*, meridional component of the residual meridional circulation (v*, w*) derived from 6 hr or higher frequency data fields (use instantaneous daily fields or 12 hr fields if the 6 hr data are not available)."}}, "EmonZ": {"vtem": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Transformed Eulerian Mean Diagnostics v*, meridional component of the residual meridional circulation (v*, w*) derived from 6 hr or higher frequency data fields (use instantaneous daily fields or 12 hr fields if the 6 hr data are not available)."}}}, "upward_transformed_eulerian_mean_air_velocity": {"EdayZ": {"wtem": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Transformed Eulerian Mean Diagnostics w*, upward component of the residual meridional circulation (v*, w*) derived from 6 hr or higher frequency data fields (use instantaneous daily fields or 12 hr fields if the 6 hr data are not available). Scale height: 6950 m"}}, "EmonZ": {"wtem": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Transformed Eulerian Mean Diagnostics w*, upward component of the residual meridional circulation (v*, w*) derived from 6 hr or higher frequency data fields (use instantaneous daily fields or 12 hr fields if the 6 hr data are not available). Scale height: 6950 m"}}}, "tendency_of_air_temperature_due_to_longwave_heating_from_volcanic_ambient_aerosol_particles": {"E6hrZ": {"zmlwaero": {"cell_methods": "longitude: mean time: point", "cell_measures": "", "dimensions": "latitude alevel time1", "comment": "longwave heating rate due to volcanic aerosols to be diagnosed through double radiation call, zonal average values required"}}}, "tendency_of_air_temperature_due_to_shortwave_heating_from_volcanic_ambient_aerosol_particles": {"E6hrZ": {"zmswaero": {"cell_methods": "longitude: mean time: point", "cell_measures": "", "dimensions": "latitude alevel time1", "comment": "shortwave heating rate due to volcanic aerosols to be diagnosed through double radiation call, zonal average values required"}}}, "mole_concentration_of_aragonite_expressed_as_carbon_in_sea_water": {"Oyr": {"arag": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sum of particulate aragonite components (e.g. Phytoplankton, Detrital, etc.)"}}, "Omon": {"arag": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sum of particulate aragonite components (e.g. Phytoplankton, Detrital, etc.)"}, "aragos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "sum of particulate aragonite components (e.g. Phytoplankton, Detrital, etc.)"}}}, "mole_concentration_of_bacteria_expressed_as_carbon_in_sea_water": {"Oyr": {"bacc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sum of bacterial carbon component concentrations"}}, "Omon": {"bacc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sum of bacterial carbon component concentrations"}, "baccos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Sum of bacterial carbon component concentrations"}}}, "tendency_of_sea_water_alkalinity_expressed_as_mole_equivalent_due_to_biological_processes": {"Oyr": {"bddtalk": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Net total of biological terms in time rate of change of alkalinity"}}}, "tendency_of_mole_concentration_of_dissolved_inorganic_carbon_in_sea_water_due_to_biological_processes": {"Oyr": {"bddtdic": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Net total of biological terms in time rate of change of dissolved inorganic carbon"}}}, "tendency_of_mole_concentration_of_dissolved_inorganic_iron_in_sea_water_due_to_biological_processes": {"Oyr": {"bddtdife": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Net total of biological terms in time rate of change of dissolved inorganic iron"}}}, "tendency_of_mole_concentration_of_dissolved_inorganic_nitrogen_in_sea_water_due_to_biological_processes": {"Oyr": {"bddtdin": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Net total of biological terms in time rate of change of nitrogen nutrients (e.g. NO3+NH4)"}}}, "tendency_of_mole_concentration_of_dissolved_inorganic_phosphorus_in_sea_water_due_to_biological_processes": {"Oyr": {"bddtdip": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Net of biological terms in time rate of change of dissolved phosphate"}}}, "tendency_of_mole_concentration_of_dissolved_inorganic_silicon_in_sea_water_due_to_biological_processes": {"Oyr": {"bddtdisi": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Net of biological terms in time rate of change of dissolved inorganic silicon"}}}, "mole_concentration_of_particulate_organic_matter_expressed_as_iron_in_sea_water": {"Oyr": {"bfe": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sum of particulate organic iron component concentrations"}}, "Omon": {"bfe": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sum of particulate organic iron component concentrations"}, "bfeos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "sum of particulate organic iron component concentrations"}}}, "mole_concentration_of_particulate_matter_expressed_as_silicon_in_sea_water": {"Oyr": {"bsi": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sum of particulate silica component concentrations"}}, "Omon": {"bsi": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sum of particulate silica component concentrations"}}}, "mole_concentration_of_calcite_expressed_as_carbon_in_sea_water": {"Oyr": {"calc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sum of particulate calcite component concentrations (e.g. Phytoplankton, Detrital, etc.)"}}, "Omon": {"calc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sum of particulate calcite component concentrations (e.g. Phytoplankton, Detrital, etc.)"}, "calcos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "sum of particulate calcite component concentrations (e.g. Phytoplankton, Detrital, etc.)"}}}, "mole_concentration_of_cfc11_in_sea_water": {"Oyr": {"cfc11": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration means number of moles per unit volume, also called 'molarity', and is used in the construction 'mole_concentration_of_X_in_Y', where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula of CFC11 is CFCl3. The IUPAC name for CFC11 is trichloro-fluoro-methane."}}, "Omon": {"cfc11": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration means number of moles per unit volume, also called 'molarity', and is used in the construction 'mole_concentration_of_X_in_Y', where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula of CFC11 is CFCl3. The IUPAC name for CFC11 is trichloro-fluoro-methane."}}}, "mole_concentration_of_cfc12_in_sea_water": {"Oyr": {"cfc12": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration means number of moles per unit volume, also called 'molarity', and is used in the construction 'mole_concentration_of_X_in_Y', where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula for CFC12 is CF2Cl2. The IUPAC name for CFC12 is dichloro-difluoro-methane."}}, "Omon": {"cfc12": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration means number of moles per unit volume, also called 'molarity', and is used in the construction 'mole_concentration_of_X_in_Y', where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula for CFC12 is CF2Cl2. The IUPAC name for CFC12 is dichloro-difluoro-methane."}}}, "mass_concentration_of_calcareous_phytoplankton_expressed_as_chlorophyll_in_sea_water": {"Oyr": {"chlcalc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "chlorophyll concentration from the calcite-producing phytoplankton component alone"}}, "Omon": {"chlcalc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "chlorophyll concentration from the calcite-producing phytoplankton component alone"}, "chlcalcos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "chlorophyll concentration from the calcite-producing phytoplankton component alone"}}}, "mass_concentration_of_diatoms_expressed_as_chlorophyll_in_sea_water": {"Oyr": {"chldiat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Chlorophyll from diatom phytoplankton component concentration alone"}}, "Omon": {"chldiat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Chlorophyll from diatom phytoplankton component concentration alone"}, "chldiatos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "chlorophyll from diatom phytoplankton component concentration alone"}}}, "mass_concentration_of_diazotrophic_phytoplankton_expressed_as_chlorophyll_in_sea_water": {"Oyr": {"chldiaz": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Chlorophyll concentration from the diazotrophic phytoplankton component alone"}}, "Omon": {"chldiaz": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Chlorophyll concentration from the diazotrophic phytoplankton component alone"}, "chldiazos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "chlorophyll concentration from the diazotrophic phytoplankton component alone"}}}, "mass_concentration_of_miscellaneous_phytoplankton_expressed_as_chlorophyll_in_sea_water": {"Oyr": {"chlmisc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Chlorophyll from additional phytoplankton component concentrations alone"}}, "Omon": {"chlmisc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Chlorophyll from additional phytoplankton component concentrations alone"}, "chlmiscos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "chlorophyll from additional phytoplankton component concentrations alone"}}}, "mass_concentration_of_picophytoplankton_expressed_as_chlorophyll_in_sea_water": {"Oyr": {"chlpico": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "chlorophyll concentration from the picophytoplankton (<2 um) component alone"}}, "Omon": {"chlpico": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "chlorophyll concentration from the picophytoplankton (<2 um) component alone"}, "chlpicoos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "chlorophyll concentration from the picophytoplankton (<2 um) component alone"}}}, "mole_concentration_of_carbonate_expressed_as_carbon_in_sea_water": {"Oyr": {"co3": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration (number of moles per unit volume: molarity) of the carbonate anion (CO3)."}}, "Omon": {"co3": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration (number of moles per unit volume: molarity) of the carbonate anion (CO3)."}, "co3os": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Near surface mole concentration (number of moles per unit volume: molarity) of the carbonate anion (CO3)."}}}, "mole_concentration_of_carbonate_abiotic_analogue_expressed_as_carbon_in_sea_water": {"Oyr": {"co3abio": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration (number of moles per unit volume: molarity) of the abiotic-analogue carbonate anion (CO3). An abiotic analogue is used to simulate the effect on a modelled variable when biological effects on ocean carbon concentration and alkalinity are ignored. "}}, "Omon": {"co3abio": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration (number of moles per unit volume: molarity) of the abiotic-analogue carbonate anion (CO3). An abiotic analogue is used to simulate the effect on a modelled variable when biological effects on ocean carbon concentration and alkalinity are ignored. "}, "co3abioos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Near surface mole concentration (number of moles per unit volume: molarity) of the abiotic-analogue carbonate anion (CO3). An abiotic analogue is used to simulate the effect on a modelled variable when biological effects on ocean carbon concentration and alkalinity are ignored. "}}}, "mole_concentration_of_carbonate_natural_analogue_expressed_as_carbon_in_sea_water": {"Oyr": {"co3nat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Surface mole concentration (number of moles per unit volume: molarity) of the natural-analogue carbonate anion (CO3). A natural analogue is used to simulate the effect on a modelled variable of imposing preindustrial atmospheric carbon dioxide concentrations, even when the model as a whole may be subjected to varying forcings. "}}, "Omon": {"co3nat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Surface mole concentration (number of moles per unit volume: molarity) of the natural-analogue carbonate anion (CO3). A natural analogue is used to simulate the effect on a modelled variable of imposing preindustrial atmospheric carbon dioxide concentrations, even when the model as a whole may be subjected to varying forcings. "}, "co3natos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Near surface mole concentration (number of moles per unit volume: molarity) of the natural-analogue carbonate anion (CO3). A natural analogue is used to simulate the effect on a modelled variable of imposing preindustrial atmospheric carbon dioxide concentrations, even when the model as a whole may be subjected to varying forcings. "}}}, "mole_concentration_of_carbonate_expressed_as_carbon_at_equilibrium_with_pure_aragonite_in_sea_water": {"Oyr": {"co3satarag": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration (number of moles per unit volume: molarity) of the carbonate anion (CO3) for sea water in equilibrium with pure Aragonite. Aragonite  (CaCO3) is a mineral that is a polymorph of calcium carbonate."}}, "Omon": {"co3satarag": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration (number of moles per unit volume: molarity) of the carbonate anion (CO3) for sea water in equilibrium with pure Aragonite. Aragonite  (CaCO3) is a mineral that is a polymorph of calcium carbonate."}, "co3sataragos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Near surface mole concentration (number of moles per unit volume: molarity) of the carbonate anion (CO3) for sea water in equilibrium with pure Aragonite. Aragonite  (CaCO3) is a mineral that is a polymorph of calcium carbonate."}}}, "mole_concentration_of_carbonate_expressed_as_carbon_at_equilibrium_with_pure_calcite_in_sea_water": {"Oyr": {"co3satcalc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration (number of moles per unit volume: molarity) of the carbonate anion (CO3) for sea water in equilibrium with pure calcite. Aragonite  (CaCO3) is a mineral that is a polymorph of calcium carbonate."}}, "Omon": {"co3satcalc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration (number of moles per unit volume: molarity) of the carbonate anion (CO3) for sea water in equilibrium with pure calcite. Aragonite  (CaCO3) is a mineral that is a polymorph of calcium carbonate."}, "co3satcalcos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Near surface mole concentration (number of moles per unit volume: molarity) of the carbonate anion (CO3) for sea water in equilibrium with pure calcite. Aragonite  (CaCO3) is a mineral that is a polymorph of calcium carbonate."}}}, "tendency_of_mole_concentration_of_aragonite_expressed_as_carbon_in_sea_water_due_to_dissolution": {"Oyr": {"darag": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Rate of change of Aragonite carbon mole concentration  due to dissolution"}}}, "tendency_of_mole_concentration_of_calcite_expressed_as_carbon_in_sea_water_due_to_dissolution": {"Oyr": {"dcalc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Rate of change of Calcite carbon mole concentration  due to dissolution"}}}, "mole_concentration_of_organic_detritus_expressed_as_carbon_in_sea_water": {"Oyr": {"detoc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sum of detrital organic carbon component concentrations"}}, "Omon": {"detoc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sum of detrital organic carbon component concentrations"}, "detocos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "sum of detrital organic carbon component concentrations"}}}, "mole_concentration_of_dissolved_iron_in_sea_water": {"Oyr": {"dfe": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Dissolved iron in sea water,  including both Fe2+ and Fe3+ ions (but not particulate detrital iron)"}}, "Omon": {"dfe": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Dissolved iron in sea water,  including both Fe2+ and Fe3+ ions (but not particulate detrital iron)"}, "dfeos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "dissolved iron in sea water is meant to include both Fe2+ and Fe3+ ions (but not, e.g., particulate detrital iron)"}}}, "mole_concentration_of_dissolved_inorganic_13C_in_sea_water": {"Oyr": {"dissi13c": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Dissolved inorganic carbon-13 (CO3+HCO3+H2CO3) concentration"}}, "Omon": {"dissi13c": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Dissolved inorganic carbon-13 (CO3+HCO3+H2CO3) concentration"}, "dissi13cos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Near surface dissolved inorganic carbon-13 (CO3+HCO3+H2CO3) concentration"}}}, "mole_concentration_of_dissolved_inorganic_14C_in_sea_water": {"Oyr": {"dissi14cabio": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Abiotic Dissolved inorganic carbon-14 (CO3+HCO3+H2CO3) concentration"}}, "Emon": {"dissi14c": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Dissolved inorganic carbon-14 (CO3+HCO3+H2CO3) concentration"}}, "Omon": {"dissi14cabio": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Abiotic Dissolved inorganic carbon-14 (CO3+HCO3+H2CO3) concentration"}, "dissi14cabioos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Abiotic Dissolved inorganic carbon-14 (CO3+HCO3+H2CO3) concentration"}}}, "mole_concentration_of_dissolved_inorganic_carbon_in_sea_water": {"Oyr": {"dissic": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration"}}, "Omon": {"dissic": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration"}, "dissicos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration"}}}, "mole_concentration_of_dissolved_inorganic_carbon_abiotic_analogue_in_sea_water": {"Oyr": {"dissicabio": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Abiotic Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration"}}, "Omon": {"dissicabio": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Abiotic Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration"}, "dissicabioos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Abiotic Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration"}}}, "mole_concentration_of_dissolved_inorganic_carbon_natural_analogue_in_sea_water": {"Oyr": {"dissicnat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration at preindustrial atmospheric xCO2"}}, "Omon": {"dissicnat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration at preindustrial atmospheric xCO2"}, "dissicnatos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration at preindustrial atmospheric xCO2"}}}, "mole_concentration_of_dissolved_organic_carbon_in_sea_water": {"Oyr": {"dissoc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sum of dissolved carbon component concentrations explicitly represented (i.e. not ~40 uM refractory unless explicit)"}}, "Omon": {"dissoc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sum of dissolved carbon component concentrations explicitly represented (i.e. not ~40 uM refractory unless explicit)"}, "dissocos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Sum of dissolved carbon component concentrations explicitly represented (i.e. not ~40 uM refractory unless explicit)"}}}, "mole_concentration_of_dimethyl_sulfide_in_sea_water": {"Oyr": {"dmso": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration of dimethyl sulphide in water"}}, "Omon": {"dmso": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration of dimethyl sulphide in water"}, "dmsos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Mole concentration of dimethyl sulphide in water in the near surface layer"}}}, "sinking_mole_flux_of_aragonite_expressed_as_carbon_in_sea_water": {"Oyr": {"exparag": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Downward flux of Aragonite"}}, "Emon": {"exparag": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Downward flux of Aragonite"}}, "Omon": {"eparag100": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth100m", "comment": "The phrase 'expressed_as' is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid. Aragonite is a mineral that is a polymorph of calcium carbonate. The chemical formula of aragonite is CaCO3. Standard names also exist for calcite, another polymorph of calcium carbonate."}}}, "sinking_mole_flux_of_particulate_organic_matter_expressed_as_carbon_in_sea_water": {"Oyr": {"expc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Downward flux of particulate organic carbon"}}, "Omon": {"epc100": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth100m", "comment": "The phrase 'expressed_as' is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid."}, "expc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Downward flux of particulate organic carbon"}}}, "sinking_mole_flux_of_calcite_expressed_as_carbon_in_sea_water": {"Oyr": {"expcalc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Downward flux of Calcite"}}, "Emon": {"expcalc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Downward flux of Calcite"}}, "Omon": {"epcalc100": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth100m", "comment": "The phrase 'expressed_as' is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid. Calcite is a mineral that is a polymorph of calcium carbonate. The chemical formula of calcite is CaCO3. Standard names also exist for aragonite, another polymorph of calcium carbonate."}}}, "sinking_mole_flux_of_particulate_iron_in_sea_water": {"Oyr": {"expfe": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid."}}, "Emon": {"expfe": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid."}}, "Omon": {"epfe100": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth100m", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid."}}}, "sinking_mole_flux_of_particulate_organic_nitrogen_in_sea_water": {"Oyr": {"expn": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid."}}, "Emon": {"expn": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid."}}, "Omon": {"epn100": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth100m", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid."}}}, "sinking_mole_flux_of_particulate_organic_phosphorus_in_sea_water": {"Oyr": {"expp": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid."}}, "Emon": {"expp": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid."}}, "Omon": {"epp100": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth100m", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid."}}}, "sinking_mole_flux_of_particulate_silicon_in_sea_water": {"Oyr": {"expsi": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid."}}, "Emon": {"expsi": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid."}}, "Omon": {"epsi100": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth100m", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid."}}}, "tendency_of_mole_concentration_of_dissolved_iron_in_sea_water_due_to_dissolution_from_inorganic_particles": {"Oyr": {"fediss": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Dissolution, remineralization and desorption of iron back to the dissolved phase"}}}, "tendency_of_mole_concentration_of_dissolved_iron_in_sea_water_due_to_scavenging_by_inorganic_particles": {"Oyr": {"fescav": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Dissolved Fe removed through nonbiogenic scavenging onto particles"}}}, "surface_downward_mass_flux_of_13C_dioxide_abiotic_analogue_expressed_as_13C": {"Oyr": {"fg13co2": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Gas exchange flux of carbon-13 as CO2 (positive into ocean)"}}, "Omon": {"fg13co2": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "Gas exchange flux of carbon-13 as CO2 (positive into ocean)"}}}, "surface_downward_mass_flux_of_14C_dioxide_abiotic_analogue_expressed_as_carbon": {"Oyr": {"fg14co2abio": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Gas exchange flux of abiotic 14CO2 (positive into ocean)"}}, "Emon": {"fg14co2": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Gas exchange flux of carbon-14 as CO2 (positive into ocean)"}}, "Omon": {"fg14co2abio": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "Gas exchange flux of abiotic 14CO2 (positive into ocean)"}}}, "surface_downward_mass_flux_of_carbon_dioxide_expressed_as_carbon": {"Oyr": {"fgco2": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Gas exchange flux of CO2 (positive into ocean)"}}, "Omon": {"fgco2": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "Gas exchange flux of CO2 (positive into ocean)"}}}, "surface_downward_mass_flux_of_carbon_dioxide_abiotic_analogue_expressed_as_carbon": {"Oyr": {"fgco2abio": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Gas exchange flux of abiotic CO2 (positive into ocean)"}}, "Omon": {"fgco2abio": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "Gas exchange flux of abiotic CO2 (positive into ocean)"}}}, "surface_downward_mass_flux_of_carbon_dioxide_natural_analogue_expressed_as_carbon": {"Oyr": {"fgco2nat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Gas exchange flux of natural CO2 (positive into ocean)"}}, "Omon": {"fgco2nat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "Gas exchange flux of natural CO2 (positive into ocean)"}}}, "tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_grazing_of_phytoplankton": {"Oyr": {"graz": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Total grazing of phytoplankton by zooplankton defined as tendency of moles of carbon per cubic metre."}}, "Omon": {"graz": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Total grazing of phytoplankton by zooplankton defined as tendency of moles of carbon per cubic metre."}}}, "mole_concentration_of_ammonium_in_sea_water": {"Oyr": {"nh4": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration means moles (amount of substance) per unit volume and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y."}}, "Omon": {"nh4": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration means moles (amount of substance) per unit volume and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y."}, "nh4os": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Mole concentration means moles (amount of substance) per unit volume and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y."}}}, "mole_concentration_of_nitrate_in_sea_water": {"Oyr": {"no3": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration means moles (amount of substance) per unit volume and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y."}}, "Omon": {"no3": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration means moles (amount of substance) per unit volume and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y."}, "no3os": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Mole concentration means moles (amount of substance) per unit volume and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y."}}}, "mole_concentration_of_dissolved_molecular_oxygen_in_sea_water": {"Oyr": {"o2": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "'Mole concentration' means number of moles per unit volume, also called 'molarity', and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'."}}, "Omon": {"o2": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "'Mole concentration' means number of moles per unit volume, also called 'molarity', and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'."}, "o2os": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "'Mole concentration' means number of moles per unit volume, also called 'molarity', and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'."}}}, "mole_concentration_of_dissolved_molecular_oxygen_in_sea_water_at_saturation": {"Oyr": {"o2sat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "'Mole concentration at saturation' means the mole concentration in a saturated solution. Mole concentration means number of moles per unit volume, also called 'molarity', and is used in the construction 'mole_concentration_of_X_in_Y', where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'."}}, "Omon": {"o2sat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "'Mole concentration at saturation' means the mole concentration in a saturated solution. Mole concentration means number of moles per unit volume, also called 'molarity', and is used in the construction 'mole_concentration_of_X_in_Y', where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'."}, "o2satos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "'Mole concentration at saturation' means the mole concentration in a saturated solution. Mole concentration means number of moles per unit volume, also called 'molarity', and is used in the construction 'mole_concentration_of_X_in_Y', where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'."}}}, "tendency_of_sea_water_conservative_temperature_expressed_as_heat_content_due_to_parameterized_dianeutral_mixing": {"Oyr": {"ocontempdiff": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from parameterized dianeutral mixing. Reported only for models that use conservative temperature as prognostic field."}}, "Emon": {"ocontempdiff": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from parameterized dianeutral mixing. Reported only for models that use conservative temperature as prognostic field."}}}, "integral_wrt_depth_of_product_of_conservative_temperature_and_sea_water_density": {"Oyr": {"ocontempmint": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Full column sum of density*cell thickness*conservative temperature. If the model is Boussinesq, then use Boussinesq reference density for the density factor."}}, "Emon": {"ocontempmint": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Full column sum of density*cell thickness*conservative temperature. If the model is Boussinesq, then use Boussinesq reference density for the density factor."}}}, "tendency_of_sea_water_conservative_temperature_expressed_as_heat_content_due_to_parameterized_eddy_advection": {"Oyr": {"ocontemppadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from parameterized eddy advection (any form of eddy advection). Reported only for models that use conservative temperature as prognostic field."}}, "Emon": {"ocontemppadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from parameterized eddy advection (any form of eddy advection). Reported only for models that use conservative temperature as prognostic field."}}}, "tendency_of_sea_water_conservative_temperature_expressed_as_heat_content_due_to_parameterized_mesoscale_eddy_diffusion": {"Oyr": {"ocontemppmdiff": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from parameterized mesoscale eddy diffusion. Reported only for models that use conservative temperature as prognostic field."}}, "Emon": {"ocontemppmdiff": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from parameterized mesoscale eddy diffusion. Reported only for models that use conservative temperature as prognostic field."}}}, "tendency_of_sea_water_conservative_temperature_expressed_as_heat_content_due_to_parameterized_submesoscale_eddy_advection": {"Oyr": {"ocontemppsmadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from parameterized submesoscale eddy advection. Reported only for models that use conservative temperature as prognostic field."}}, "Emon": {"ocontemppsmadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from parameterized submesoscale eddy advection. Reported only for models that use conservative temperature as prognostic field."}}}, "tendency_of_sea_water_conservative_temperature_expressed_as_heat_content_due_to_residual_mean_advection": {"Oyr": {"ocontemprmadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Conservative Temperature is defined as part of the Thermodynamic Equation of Seawater 2010 (TEOS-10) which was adopted in 2010 by the International Oceanographic Commission (IOC). The phrase 'residual mean advection' refers to the sum of the model's resolved advective transport plus any parameterized advective transport. Parameterized advective transport includes processes such as parameterized mesoscale and submesoscale transport, as well as any other advectively parameterized transport. When the parameterized advective transport is represented in the model as a skew-diffusion rather than an advection, then the parameterized skew diffusion should be included in this diagnostic, since the convergence of skew-fluxes are identical (in the continuous formulation) to the convergence of advective fluxes."}}, "Emon": {"ocontemprmadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Conservative Temperature is defined as part of the Thermodynamic Equation of Seawater 2010 (TEOS-10) which was adopted in 2010 by the International Oceanographic Commission (IOC). The phrase 'residual mean advection' refers to the sum of the model's resolved advective transport plus any parameterized advective transport. Parameterized advective transport includes processes such as parameterized mesoscale and submesoscale transport, as well as any other advectively parameterized transport. When the parameterized advective transport is represented in the model as a skew-diffusion rather than an advection, then the parameterized skew diffusion should be included in this diagnostic, since the convergence of skew-fluxes are identical (in the continuous formulation) to the convergence of advective fluxes."}}}, "tendency_of_sea_water_conservative_temperature_expressed_as_heat_content": {"Oyr": {"ocontemptend": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from all processes. Reported only for models that use conservative temperature as prognostic field."}}, "Emon": {"ocontemptend": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from all processes. Reported only for models that use conservative temperature as prognostic field."}}}, "tendency_of_sea_water_potential_temperature_expressed_as_heat_content_due_to_parameterized_dianeutral_mixing": {"Oyr": {"opottempdiff": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from parameterized dianeutral mixing. Reported only for models that use potential temperature as prognostic field."}}, "Emon": {"opottempdiff": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from parameterized dianeutral mixing. Reported only for models that use potential temperature as prognostic field."}}}, "integral_wrt_depth_of_product_of_potential_temperature_and_sea_water_density": {"Oyr": {"opottempmint": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Integral over the full ocean depth of the product of sea water density and potential temperature."}}, "Emon": {"opottempmint": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Integral over the full ocean depth of the product of sea water density and potential temperature."}}}, "tendency_of_sea_water_potential_temperature_expressed_as_heat_content_due_to_parameterized_eddy_advection": {"Oyr": {"opottemppadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from parameterized eddy advection (any form of eddy advection). Reported only for models that use potential temperature as prognostic field."}}, "Emon": {"opottemppadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from parameterized eddy advection (any form of eddy advection). Reported only for models that use potential temperature as prognostic field."}}}, "tendency_of_sea_water_potential_temperature_expressed_as_heat_content_due_to_parameterized_mesoscale_eddy_diffusion": {"Oyr": {"opottemppmdiff": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from parameterized mesoscale eddy diffusion. Reported only for models that use potential temperature as prognostic field."}}, "Emon": {"opottemppmdiff": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from parameterized mesoscale eddy diffusion. Reported only for models that use potential temperature as prognostic field."}}}, "tendency_of_sea_water_potential_temperature_expressed_as_heat_content_due_to_parameterized_submesoscale_eddy_advection": {"Oyr": {"opottemppsmadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from parameterized submesoscale eddy advection. Reported only for models that use potential temperature as prognostic field."}}, "Emon": {"opottemppsmadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from parameterized submesoscale eddy advection. Reported only for models that use potential temperature as prognostic field."}}}, "tendency_of_sea_water_potential_temperature_expressed_as_heat_content_due_to_residual_mean_advection": {"Oyr": {"opottemprmadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "The phrase 'residual mean advection' refers to the sum of the model's resolved advective transport plus any parameterized advective transport. Parameterized advective transport includes processes such as parameterized mesoscale and submesoscale transport, as well as any other advectively parameterized transport. When the parameterized advective transport is represented in the model as a skew-diffusion rather than an advection, then the parameterized skew diffusion should be included in this diagnostic, since the convergence of skew-fluxes are identical (in the continuous formulation) to the convergence of advective fluxes."}}, "Emon": {"opottemprmadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "The phrase 'residual mean advection' refers to the sum of the model's resolved advective transport plus any parameterized advective transport. Parameterized advective transport includes processes such as parameterized mesoscale and submesoscale transport, as well as any other advectively parameterized transport. When the parameterized advective transport is represented in the model as a skew-diffusion rather than an advection, then the parameterized skew diffusion should be included in this diagnostic, since the convergence of skew-fluxes are identical (in the continuous formulation) to the convergence of advective fluxes."}}}, "tendency_of_sea_water_potential_temperature_expressed_as_heat_content": {"Oyr": {"opottemptend": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from all processes. Reported only for models that use potential temperature as prognostic field."}}, "Emon": {"opottemptend": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of heat content for a grid cell from all processes. Reported only for models that use potential temperature as prognostic field."}}}, "tendency_of_sea_water_salinity_expressed_as_salt_content_due_to_parameterized_dianeutral_mixing": {"Oyr": {"osaltdiff": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of salt content for a grid cell from parameterized dianeutral mixing."}}, "Emon": {"osaltdiff": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of salt content for a grid cell from parameterized dianeutral mixing."}}}, "tendency_of_sea_water_salinity_expressed_as_salt_content_due_to_parameterized_eddy_advection": {"Oyr": {"osaltpadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of salt content for a grid cell from parameterized eddy advection (any form of eddy advection)."}}, "Emon": {"osaltpadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of salt content for a grid cell from parameterized eddy advection (any form of eddy advection)."}}}, "tendency_of_sea_water_salinity_expressed_as_salt_content_due_to_parameterized_mesoscale_eddy_diffusion": {"Oyr": {"osaltpmdiff": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of salt content for a grid cell from parameterized mesoscale eddy diffusion."}}, "Emon": {"osaltpmdiff": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of salt content for a grid cell from parameterized mesoscale eddy diffusion."}}}, "tendency_of_sea_water_salinity_expressed_as_salt_content_due_to_parameterized_submesoscale_eddy_advection": {"Oyr": {"osaltpsmadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of salt content for a grid cell from parameterized submesoscale eddy advection."}}, "Emon": {"osaltpsmadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of salt content for a grid cell from parameterized submesoscale eddy advection."}}}, "tendency_of_sea_water_salinity_expressed_as_salt_content_due_to_residual_mean_advection": {"Oyr": {"osaltrmadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "The phrase 'residual mean advection' refers to the sum of the model's resolved advective transport plus any parameterized advective transport. Parameterized advective transport includes processes such as parameterized mesoscale and submesoscale transport, as well as any other advectively parameterized transport. When the parameterized advective transport is represented in the model as a skew-diffusion rather than an advection, then the parameterized skew diffusion should be included in this diagnostic, since the convergence of skew-fluxes are identical (in the continuous formulation) to the convergence of advective fluxes."}}, "Emon": {"osaltrmadvect": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "The phrase 'residual mean advection' refers to the sum of the model's resolved advective transport plus any parameterized advective transport. Parameterized advective transport includes processes such as parameterized mesoscale and submesoscale transport, as well as any other advectively parameterized transport. When the parameterized advective transport is represented in the model as a skew-diffusion rather than an advection, then the parameterized skew diffusion should be included in this diagnostic, since the convergence of skew-fluxes are identical (in the continuous formulation) to the convergence of advective fluxes."}}}, "tendency_of_sea_water_salinity_expressed_as_salt_content": {"Oyr": {"osalttend": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of salt content for a grid cell from all processes."}}, "Emon": {"osalttend": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Tendency of salt content for a grid cell from all processes."}}}, "tendency_of_mole_concentration_of_aragonite_expressed_as_carbon_in_sea_water_due_to_biological_production": {"Oyr": {"parag": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Production rate of Aragonite, a mineral that is a polymorph of calcium carbonate. The chemical formula of aragonite is CaCO3."}}}, "tendency_of_mole_concentration_of_iron_in_sea_water_due_to_biological_production": {"Oyr": {"pbfe": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "'Mole concentration' means number of moles per unit volume, also called 'molarity', and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  'tendency_of_X' means derivative of X with respect to time."}}}, "tendency_of_mole_concentration_of_silicon_in_sea_water_due_to_biological_production": {"Oyr": {"pbsi": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "'Mole concentration' means number of moles per unit volume, also called 'molarity', and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  'tendency_of_X' means derivative of X with respect to time."}}}, "tendency_of_mole_concentration_of_calcite_expressed_as_carbon_in_sea_water_due_to_biological_production": {"Oyr": {"pcalc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Production rate of Calcite, a mineral that is a polymorph of calcium carbonate. The chemical formula of calcite is CaCO3. "}}}, "sea_water_ph_reported_on_total_scale": {"Oyr": {"ph": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "negative log of hydrogen ion concentration with the concentration expressed as mol H kg-1."}}, "Omon": {"ph": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "negative log of hydrogen ion concentration with the concentration expressed as mol H kg-1."}, "phos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1."}}}, "sea_water_ph_abiotic_analogue_reported_on_total_scale": {"Oyr": {"phabio": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1 (abiotic component).."}}, "Omon": {"phabio": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1 (abiotic component).."}, "phabioos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1."}}}, "sea_water_ph_natural_analogue_reported_on_total_scale": {"Oyr": {"phnat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1."}}, "Omon": {"phnat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1."}, "phnatos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1."}}}, "mole_concentration_of_calcareous_phytoplankton_expressed_as_carbon_in_sea_water": {"Oyr": {"phycalc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "carbon concentration from calcareous (calcite-producing) phytoplankton component alone"}}, "Omon": {"phycalc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "carbon concentration from calcareous (calcite-producing) phytoplankton component alone"}, "phycalcos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "carbon concentration from calcareous (calcite-producing) phytoplankton component alone"}}}, "mole_concentration_of_diatoms_expressed_as_carbon_in_sea_water": {"Oyr": {"phydiat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "carbon from the diatom phytoplankton component concentration alone"}}, "Omon": {"phydiat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "carbon from the diatom phytoplankton component concentration alone"}, "phydiatos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "carbon from the diatom phytoplankton component concentration alone"}}}, "mole_concentration_of_diazotrophic_phytoplankton_expressed_as_carbon_in_sea_water": {"Oyr": {"phydiaz": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "carbon concentration from the diazotrophic phytoplankton component alone"}}, "Omon": {"phydiaz": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "carbon concentration from the diazotrophic phytoplankton component alone"}, "phydiazos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "carbon concentration from the diazotrophic phytoplankton component alone"}}}, "mole_concentration_of_phytoplankton_expressed_as_iron_in_sea_water": {"Oyr": {"phyfe": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "sum of phytoplankton iron component concentrations"}}, "Omon": {"phyfe": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "sum of phytoplankton iron component concentrations"}, "phyfeos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "sum of phytoplankton iron component concentrations"}}}, "mole_concentration_of_miscellaneous_phytoplankton_expressed_as_carbon_in_sea_water": {"Oyr": {"phymisc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "carbon concentration from additional phytoplankton component alone"}}, "Omon": {"phymisc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "carbon concentration from additional phytoplankton component alone"}, "phymiscos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "carbon concentration from additional phytoplankton component alone"}}}, "mole_concentration_of_phytoplankton_expressed_as_nitrogen_in_sea_water": {"Oyr": {"phyn": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "sum of phytoplankton nitrogen component concentrations"}}, "Omon": {"phyn": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "sum of phytoplankton nitrogen component concentrations"}, "phynos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "sum of phytoplankton nitrogen component concentrations"}}}, "mole_concentration_of_phytoplankton_expressed_as_phosphorus_in_sea_water": {"Oyr": {"phyp": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "sum of phytoplankton phosphorus components"}}, "Omon": {"phyp": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "sum of phytoplankton phosphorus components"}, "phypos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "sum of phytoplankton phosphorus components"}}}, "mole_concentration_of_picophytoplankton_expressed_as_carbon_in_sea_water": {"Oyr": {"phypico": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "carbon concentration from the picophytoplankton (<2 um) component alone"}}, "Omon": {"phypico": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "carbon concentration from the picophytoplankton (<2 um) component alone"}, "phypicoos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "carbon concentration from the picophytoplankton (<2 um) component alone"}}}, "mole_concentration_of_phytoplankton_expressed_as_silicon_in_sea_water": {"Oyr": {"physi": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "sum of phytoplankton silica component concentrations"}}, "Omon": {"physi": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "sum of phytoplankton silica component concentrations"}, "physios": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "sum of phytoplankton silica component concentrations"}}}, "tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_nitrate_utilization": {"Oyr": {"pnitrate": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Primary (organic carbon) production by phytoplankton due to nitrate uptake alone"}}}, "mole_concentration_of_dissolved_inorganic_phosphorus_in_sea_water": {"Oyr": {"po4": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration means number of moles per unit volume, also called 'molarity', and is used in the construction 'mole_concentration_of_X_in_Y', where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. 'Dissolved inorganic phosphorus' means the sum of all inorganic phosphorus in solution (including phosphate, hydrogen phosphate, dihydrogen phosphate, and phosphoric acid)."}}, "Omon": {"po4": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration means number of moles per unit volume, also called 'molarity', and is used in the construction 'mole_concentration_of_X_in_Y', where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. 'Dissolved inorganic phosphorus' means the sum of all inorganic phosphorus in solution (including phosphate, hydrogen phosphate, dihydrogen phosphate, and phosphoric acid)."}, "po4os": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Mole concentration means number of moles per unit volume, also called 'molarity', and is used in the construction 'mole_concentration_of_X_in_Y', where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. 'Dissolved inorganic phosphorus' means the sum of all inorganic phosphorus in solution (including phosphate, hydrogen phosphate, dihydrogen phosphate, and phosphoric acid)."}}}, "mole_concentration_of_particulate_organic_matter_expressed_as_nitrogen_in_sea_water": {"Oyr": {"pon": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "sum of particulate organic nitrogen component concentrations"}}, "Omon": {"pon": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "sum of particulate organic nitrogen component concentrations"}, "ponos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "sum of particulate organic nitrogen component concentrations"}}}, "mole_concentration_of_particulate_organic_matter_expressed_as_phosphorus_in_sea_water": {"Oyr": {"pop": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "sum of particulate organic phosphorus component concentrations"}}, "Omon": {"pop": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "sum of particulate organic phosphorus component concentrations"}, "popos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "sum of particulate organic phosphorus component concentrations"}}}, "tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production": {"Oyr": {"pp": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "total primary (organic carbon) production by phytoplankton"}}, "Omon": {"pp": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "total primary (organic carbon) production by phytoplankton"}, "ppos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "total primary (organic carbon) production by phytoplankton"}}}, "tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production_by_calcareous_phytoplankton": {"Oyr": {"ppcalc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Primary (organic carbon) production by the calcite-producing phytoplankton component alone"}}, "Emon": {"ppcalc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Primary (organic carbon) production by the calcite-producing phytoplankton component alone"}}}, "tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production_by_diatoms": {"Oyr": {"ppdiat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Primary (organic carbon) production by the diatom component alone"}}, "Emon": {"ppdiat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Primary (organic carbon) production by the diatom component alone"}}}, "tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production_by_diazotrophic_phytoplankton": {"Oyr": {"ppdiaz": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Primary (organic carbon) production by the diazotrophic phytoplankton component alone"}}, "Emon": {"ppdiaz": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Primary (organic carbon) production by the diazotrophic phytoplankton component alone"}}}, "tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production_by_miscellaneous_phytoplankton": {"Oyr": {"ppmisc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Primary (organic carbon) production by other phytoplankton components alone"}}, "Emon": {"ppmisc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Primary (organic carbon) production by other phytoplankton components alone"}}}, "tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production_by_picophytoplankton": {"Oyr": {"pppico": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Primary (organic carbon) production by the picophytoplankton (<2 um) component alone"}}, "Emon": {"pppico": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Primary (organic carbon) production by the picophytoplankton (<2 um) component alone"}}}, "tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_remineralization": {"Oyr": {"remoc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Remineralization is the degradation of organic matter into inorganic forms of carbon, nitrogen, phosphorus and other micronutrients, which consumes oxygen and releases energy."}}}, "net_rate_of_absorption_of_shortwave_energy_in_ocean_layer": {"Oyr": {"rsdoabsorb": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "'shortwave' means shortwave radiation. 'Layer' means any layer with upper and lower boundaries that have constant values in some vertical coordinate. There must be a vertical coordinate variable indicating the extent of the layer(s). If the layers are model layers, the vertical coordinate can be model_level_number, but it is recommended to specify a physical coordinate (in a scalar or auxiliary coordinate variable) as well. Net absorbed radiation is the difference between absorbed and emitted radiation."}}, "Emon": {"rsdoabsorb": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "'shortwave' means shortwave radiation. 'Layer' means any layer with upper and lower boundaries that have constant values in some vertical coordinate. There must be a vertical coordinate variable indicating the extent of the layer(s). If the layers are model layers, the vertical coordinate can be model_level_number, but it is recommended to specify a physical coordinate (in a scalar or auxiliary coordinate variable) as well. Net absorbed radiation is the difference between absorbed and emitted radiation."}}}, "mole_concentration_of_sulfur_hexafluoride_in_sea_water": {"Oyr": {"sf6": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration means number of moles per unit volume, also called 'molarity', and is used in the construction 'mole_concentration_of_X_in_Y', where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula of sulfur hexafluoride is SF6."}}, "Omon": {"sf6": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration means number of moles per unit volume, also called 'molarity', and is used in the construction 'mole_concentration_of_X_in_Y', where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula of sulfur hexafluoride is SF6."}}}, "mole_concentration_of_dissolved_inorganic_silicon_in_sea_water": {"Oyr": {"si": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration means number of moles per unit volume, also called 'molarity', and is used in the construction 'mole_concentration_of_X_in_Y', where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. 'Dissolved inorganic silicon' means the sum of all inorganic silicon in solution (including silicic acid and its first dissociated anion SiO(OH)3-)."}}, "Omon": {"si": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Mole concentration means number of moles per unit volume, also called 'molarity', and is used in the construction 'mole_concentration_of_X_in_Y', where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. 'Dissolved inorganic silicon' means the sum of all inorganic silicon in solution (including silicic acid and its first dissociated anion SiO(OH)3-)."}, "sios": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Mole concentration means number of moles per unit volume, also called 'molarity', and is used in the construction 'mole_concentration_of_X_in_Y', where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. 'Dissolved inorganic silicon' means the sum of all inorganic silicon in solution (including silicic acid and its first dissociated anion SiO(OH)3-)."}}}, "integral_wrt_depth_of_product_of_salinity_and_sea_water_density": {"Oyr": {"somint": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Full column sum of density*cell thickness*prognostic salinity. If the model is Boussinesq, then use Boussinesq reference density for the density factor."}}, "Emon": {"somint": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Full column sum of density*cell thickness*prognostic salinity. If the model is Boussinesq, then use Boussinesq reference density for the density factor."}}}, "sea_water_alkalinity_expressed_as_mole_equivalent": {"Oyr": {"talk": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "total alkalinity equivalent concentration (including carbonate, nitrogen, silicate, and borate components)"}}, "Omon": {"talk": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "total alkalinity equivalent concentration (including carbonate, nitrogen, silicate, and borate components)"}, "talkos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "total alkalinity equivalent concentration (including carbonate, borate, phosphorus, silicon, and nitrogen components)"}}}, "sea_water_alkalinity_natural_analogue_expressed_as_mole_equivalent": {"Oyr": {"talknat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "total alkalinity equivalent concentration (including carbonate, borate, phosphorus, silicon, and nitrogen components) at preindustrial atmospheric xCO2"}}, "Omon": {"talknat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "total alkalinity equivalent concentration (including carbonate, borate, phosphorus, silicon, and nitrogen components) at preindustrial atmospheric xCO2"}, "talknatos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "total alkalinity equivalent concentration (including carbonate, borate, phosphorus, silicon, and nitrogen components) at preindustrial atmospheric xCO2"}}}, "mole_concentration_of_mesozooplankton_expressed_as_carbon_in_sea_water": {"Oyr": {"zmeso": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "carbon  concentration from mesozooplankton (20-200 um) component alone"}}, "Omon": {"zmeso": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "carbon  concentration from mesozooplankton (20-200 um) component alone"}, "zmesoos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "carbon  concentration from mesozooplankton (20-200 um) component alone"}}}, "mole_concentration_of_microzooplankton_expressed_as_carbon_in_sea_water": {"Oyr": {"zmicro": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "carbon  concentration from the microzooplankton (<20 um) component alone"}}, "Omon": {"zmicro": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "carbon  concentration from the microzooplankton (<20 um) component alone"}, "zmicroos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "carbon  concentration from the microzooplankton (<20 um) component alone"}}}, "mole_concentration_of_miscellaneous_zooplankton_expressed_as_carbon_in_sea_water": {"Oyr": {"zmisc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "carbon from additional zooplankton component concentrations alone (e.g. Micro, meso).  Since the models all have different numbers of components, this variable has been included to provide a check for intercomparison between models since some phytoplankton groups are supersets."}}, "Omon": {"zmisc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "carbon from additional zooplankton component concentrations alone (e.g. Micro, meso).  Since the models all have different numbers of components, this variable has been included to provide a check for intercomparison between models since some phytoplankton groups are supersets."}, "zmiscos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "carbon from additional zooplankton component concentrations alone (e.g. Micro, meso).  Since the models all have different numbers of components, this variable has been included to provide a check for intercomparison between models since some phytoplankton groups are supersets."}}}, "mole_concentration_of_zooplankton_expressed_as_carbon_in_sea_water": {"Oyr": {"zooc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "sum of zooplankton carbon component concentrations"}}, "Omon": {"zooc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "sum of zooplankton carbon component concentrations"}, "zoocos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "sum of zooplankton carbon component concentrations"}}}, "asymmetry_factor_of_ambient_aerosol_particles": {"E3hrPt": {"aerasymbnd": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel spectband time1", "comment": "The asymmetry factor is the angular integral of the aerosol scattering phase function weighted by the cosine of the angle with the incident radiation flux. The asymmetry coefficient is here an integral over all wavelength bands."}}}, "atmosphere_absorption_optical_thickness_due_to_ambient_aerosol_particles": {"E3hrPt": {"aeroptbnd": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel spectband time1", "comment": "Optical thickness of atmospheric aerosols in wavelength bands."}}, "AERmon": {"abs550aer": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time lambda550nm", "comment": "Optical thickness of atmospheric aerosols at wavelength 550 nanometers."}}}, "single_scattering_albedo_in_air_due_to_ambient_aerosol_particles": {"E3hrPt": {"aerssabnd": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel spectband time1", "comment": "The single scattering albedo is the fraction of radiation in an incident light beam scattered by the particles of an aerosol reference volume for a given wavelength. It is the ratio of the scattering and the extinction coefficients of the aerosol particles in the reference volume. "}}}, "surface_diffuse_shortwave_hemispherical_reflectance": {"E3hrPt": {"albdiffbnd": {"cell_methods": "time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude spectband time1", "comment": "The fraction of the surface diffuse downwelling shortwave radiation flux which is reflected. If the diffuse radiation is isotropic, this term is equivalent to the integral of surface bidirectional reflectance over all incident angles and over all outgoing angles in the hemisphere above the surface. Reported in spectral frequency bands."}}}, "surface_direct_shortwave_hemispherical_reflectance": {"E3hrPt": {"albdirbnd": {"cell_methods": "time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude spectband time1", "comment": "The fraction of the surface direct downwelling shortwave radiation flux which is reflected. It is equivalent to the surface bidirectional reflectance at the incident angle of the incoming solar radiation and integrated over all outgoing angles in the hemisphere above the surface.  Reported in spectral frequency bands."}}}, "histogram_of_equivalent_reflectivity_factor_over_height_above_reference_ellipsoid": {"E3hrPt": {"cfadDbze94": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alt40 dbze time1", "comment": "CFAD (Cloud Frequency Altitude Diagrams) are frequency distributions of radar  reflectivity (or lidar scattering ratio) as a function of altitude. The variable cfadDbze94 is defined as the simulated relative frequency of occurrence of radar reflectivity in sampling volumes defined by altitude bins. The radar is observing at a frequency of 94GHz."}}, "Emon": {"cfadDbze94": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alt40 dbze time", "comment": "CFAD (Cloud Frequency Altitude Diagrams) are frequency distributions of radar  reflectivity (or lidar scattering ratio) as a function of altitude. The variable cfadDbze94 is defined as the simulated relative frequency of occurrence of radar reflectivity in sampling volumes defined by altitude bins. The radar is observing at a frequency of 94GHz."}}}, "histogram_of_backscattering_ratio_in_air_over_height_above_reference_ellipsoid": {"E3hrPt": {"cfadLidarsr532": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alt40 scatratio time1", "comment": "CFAD (Cloud Frequency Altitude Diagrams) are frequency distributions of radar  reflectivity (or lidar scattering ratio) as a function of altitude. The variable cfadLidarsr532 is defined as the simulated relative frequency of lidar scattering ratio in sampling volumes defined by altitude bins. The lidar is observing at a wavelength of 532nm."}}, "Emon": {"cfadLidarsr532": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alt40 scatratio time", "comment": "CFAD (Cloud Frequency Altitude Diagrams) are frequency distributions of radar  reflectivity (or lidar scattering ratio) as a function of altitude. The variable cfadLidarsr532 is defined as the simulated relative frequency of lidar scattering ratio in sampling volumes defined by altitude bins. The lidar is observing at a wavelength of 532nm."}}}, "mole_fraction_of_methane_in_air": {"E3hrPt": {"ch4": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}, "Amon": {"ch4": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}, "ch4Clim": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time2", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}, "ch4global": {"cell_methods": "area: time: mean", "cell_measures": "", "dimensions": "time", "comment": "Global Mean Mole Fraction of CH4"}, "ch4globalClim": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "", "dimensions": "time2", "comment": "Global Mean Mole Fraction of CH4"}}, "AERmonZ": {"ch4": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}, "AERmon": {"ch4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}}, "mole_fraction_of_carbon_dioxide_in_air": {"E3hrPt": {"co2": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}, "Amon": {"co2": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}, "co2Clim": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time2", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}, "Emon": {"co2s": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "As co2, but only at the surface"}}, "AERmon": {"co2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}}, "mole_fraction_of_nitrous_oxide_in_air": {"E3hrPt": {"n2o": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.   The chemical formula of  nitrous oxide is N2O."}}, "Amon": {"n2o": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.   The chemical formula of  nitrous oxide is N2O."}, "n2oClim": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time2", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.   The chemical formula of  nitrous oxide is N2O."}, "n2oglobal": {"cell_methods": "area: time: mean", "cell_measures": "", "dimensions": "time", "comment": "Global mean Nitrous Oxide (N2O)"}, "n2oglobalClim": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "", "dimensions": "time2", "comment": "Global mean Nitrous Oxide (N2O)"}}, "AERmonZ": {"n2o": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.   The chemical formula of  nitrous oxide is N2O."}}, "AERmon": {"n2o": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.   The chemical formula of  nitrous oxide is N2O."}}}, "toa_bidirectional_reflectance": {"E3hrPt": {"parasolRefl": {"cell_methods": "area: mean where sea time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude sza5 time1", "comment": "Simulated reflectance from PARASOL as seen at the top of the atmosphere for 5 solar zenith angles. Valid only over ocean and for one viewing direction (viewing zenith angle of 30 degrees and relative azimuth angle 320 degrees)."}}, "Eday": {"parasolRefl": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude sza5 time", "comment": "Simulated reflectance from PARASOL as seen at the top of the atmosphere for 5 solar zenith angles. Valid only over ocean and for one viewing direction (viewing zenith angle of 30 degrees and relative azimuth angle 320 degrees)."}}, "Emon": {"parasolRefl": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude sza5 time", "comment": "Simulated reflectance from PARASOL as seen at the top of the atmosphere for 5 solar zenith angles. Valid only over ocean and for one viewing direction (viewing zenith angle of 30 degrees and relative azimuth angle 320 degrees)."}}}, "downwelling_shortwave_flux_in_air_assuming_clear_sky": {"E3hrPt": {"rsdcs": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time1", "comment": "Downwelling clear-sky shortwave radiation (includes the fluxes at the surface and top-of-atmosphere)"}, "rsdcsbnd": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf spectband time1", "comment": "Calculated with aerosols but without clouds. This is a standard clear-sky calculation"}}, "CFmon": {"rsdcs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Downwelling clear-sky shortwave radiation (includes the fluxes at the surface and top-of-atmosphere)"}, "rsdcs4co2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Downwelling clear-sky shortwave radiation calculated using carbon dioxide concentrations increased fourfold"}}, "CFsubhr": {"rsdcs": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevhalf site time1", "comment": "Downwelling clear-sky shortwave radiation (includes the fluxes at the surface and top-of-atmosphere)"}}}, "downwelling_shortwave_flux_in_air_assuming_clear_sky_and_no_aerosol": {"E3hrPt": {"rsdcsaf": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time1", "comment": "Calculated in the absence of aerosols and clouds (following Ghan). This requires a double-call in the radiation code with precisely the same meteorology."}, "rsdcsafbnd": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf spectband time1", "comment": "Calculated in the absence of aerosols and clouds (following Ghan). This requires a double-call in the radiation code with precisely the same meteorology."}}}, "surface_downwelling_shortwave_flux_in_air_assuming_clear_sky_and_no_aerosol": {"E3hrPt": {"rsdscsaf": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Calculated in the absence of aerosols and clouds."}, "rsdscsafbnd": {"cell_methods": "time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude spectband time1", "comment": "Calculated in the absence of aerosols and clouds, following Ghan (2013, ACP). This requires a double-call in the radiation code with precisely the same meteorology."}}}, "upwelling_shortwave_flux_in_air_assuming_clear_sky": {"E3hrPt": {"rsucs": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time1", "comment": "Upwelling clear-sky shortwave radiation  (includes the fluxes at the surface and TOA)"}, "rsucsbnd": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf spectband time1", "comment": "Calculated with aerosols but without clouds. This is a standard clear-sky calculation"}}, "CFmon": {"rsucs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Upwelling clear-sky shortwave radiation  (includes the fluxes at the surface and TOA)"}, "rsucs4co2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Upwelling clear-sky shortwave radiation calculated using carbon dioxide concentrations increased fourfold"}}, "CFsubhr": {"rsucs": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevhalf site time1", "comment": "Upwelling clear-sky shortwave radiation  (includes the fluxes at the surface and TOA)"}}}, "upwelling_shortwave_flux_in_air_assuming_clear_sky_and_no_aerosol": {"E3hrPt": {"rsucsaf": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time1", "comment": "Calculated in the absence of aerosols and clouds (following Ghan). This requires a double-call in the radiation code with precisely the same meteorology."}, "rsucsafbnd": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf spectband time1", "comment": "Calculated in the absence of aerosols and clouds (following Ghan). This requires a double-call in the radiation code with precisely the same meteorology."}}}, "surface_upwelling_shortwave_flux_in_air_assuming_clear_sky_and_no_aerosol": {"E3hrPt": {"rsuscsaf": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Surface Upwelling Clear-sky, Aerosol Free Shortwave Radiation"}, "rsuscsafbnd": {"cell_methods": "time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude spectband time1", "comment": "Calculated in the absence of aerosols and clouds, following Ghan (ACP, 2013). This requires a double-call in the radiation code with precisely the same meteorology."}}}, "toa_outgoing_shortwave_flux_assuming_clear_sky_and_no_aerosol": {"E3hrPt": {"rsutcsaf": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Flux corresponding to rsutcs resulting from aerosol-free call to radiation, following Ghan (ACP, 2013)"}, "rsutcsafbnd": {"cell_methods": "time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude spectband time1", "comment": "Calculated in the absence of aerosols and clouds, following Ghan (2013, ACP). This requires a double-call in the radiation code with precisely the same meteorology."}}, "AERmon": {"rsutcsaf": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Flux corresponding to rsutcs resulting from aerosol-free call to radiation, following Ghan (ACP, 2013)"}}}, "solar_zenith_angle": {"E3hrPt": {"sza": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "The angle between the line of sight to the sun and the local vertical"}}}, "mole_fraction_of_cfc113_in_air": {"Amon": {"cfc113global": {"cell_methods": "area: time: mean", "cell_measures": "", "dimensions": "time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.  The chemical formula of CFC113 is CCl2FCClF2.  The IUPAC name for CFC113 is 1,1,2-trichloro-1,2,2-trifluoro-ethane."}}}, "mole_fraction_of_cfc11_in_air": {"Amon": {"cfc11global": {"cell_methods": "area: time: mean", "cell_measures": "", "dimensions": "time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.  The chemical formula of CFC11 is CFCl3.  The IUPAC name for CFC11 is trichloro-fluoro-methane."}}}, "mole_fraction_of_cfc12_in_air": {"Amon": {"cfc12global": {"cell_methods": "area: time: mean", "cell_measures": "", "dimensions": "time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.  The chemical formula of CFC12 is CF2Cl2.  The IUPAC name for CFC12 is dichloro-difluoro-methane."}}}, "atmosphere_mass_of_carbon_dioxide": {"Amon": {"co2mass": {"cell_methods": "area: time: mean", "cell_measures": "", "dimensions": "time", "comment": "Total atmospheric mass of Carbon Dioxide"}, "co2massClim": {"cell_methods": "area: mean time: mean within years time: mean over years", "cell_measures": "", "dimensions": "time2", "comment": "Total atmospheric mass of Carbon Dioxide"}}}, "tendency_of_atmosphere_mass_content_of_carbon_dioxide_expressed_as_carbon_due_to_anthropogenic_emission": {"Amon": {"fco2antt": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "This is requested only for the emission-driven coupled carbon climate model runs.  Does not include natural fire sources but, includes all anthropogenic sources, including fossil fuel use, cement production, agricultural burning, and sources associated with anthropogenic land use change excluding forest regrowth."}}, "Emon": {"fAnthDisturb": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Anthropogenic flux of carbon as carbon dioxide into the atmosphere. That is, emissions influenced, caused, or created by human activity. Anthropogenic emission of carbon dioxide includes fossil fuel use, cement production, agricultural burning and sources associated with anthropogenic land use change, except forest regrowth."}}, "CFsubhr": {"fco2antt": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "This is requested only for the emission-driven coupled carbon climate model runs.  Does not include natural fire sources but, includes all anthropogenic sources, including fossil fuel use, cement production, agricultural burning, and sources associated with anthropogenic land use change excluding forest regrowth."}}}, "tendency_of_atmosphere_mass_content_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_fossil_fuel_combustion": {"Amon": {"fco2fos": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "This is the prescribed anthropogenic CO2 flux from fossil fuel use, including cement production, and flaring (but not from land-use changes, agricultural burning, forest regrowth, etc.)"}}, "CFsubhr": {"fco2fos": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "This is the prescribed anthropogenic CO2 flux from fossil fuel use, including cement production, and flaring (but not from land-use changes, agricultural burning, forest regrowth, etc.)"}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_natural_sources": {"Amon": {"fco2nat": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "This is what the atmosphere sees (on its own grid).  This field should be equivalent to the combined natural fluxes of carbon  that account for natural exchanges between the atmosphere and land (nep) or ocean (fgco2) reservoirs."}}, "CFsubhr": {"fco2nat": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "site time1", "comment": "This is what the atmosphere sees (on its own grid).  This field should be equivalent to the combined natural fluxes of carbon  that account for natural exchanges between the atmosphere and land (nep) or ocean (fgco2) reservoirs."}}}, "mole_fraction_of_hcfc22_in_air": {"Amon": {"hcfc22global": {"cell_methods": "area: time: mean", "cell_measures": "", "dimensions": "time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.  A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula for HCFC22 is CHClF2.  The IUPAC name for HCFC22 is chloro-difluoro-methane."}}}, "soil_moisture_content_at_field_capacity": {"fx": {"mrsofc": {"cell_methods": "area: mean where land", "cell_measures": "area: areacella", "dimensions": "longitude latitude", "comment": "The bulk water content retained by the soil at -33 J/kg of suction pressure, expressed as mass per unit land area; report as missing where there is no land"}}}, "root_depth": {"fx": {"rootd": {"cell_methods": "area: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude", "comment": "report the maximum soil depth reachable by plant roots (if defined in model), i.e., the maximum soil depth from which they can extract moisture; report as *missing* where the land fraction is 0."}}}, "land_area_fraction": {"fx": {"sftlf": {"cell_methods": "area: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude", "comment": "Percentage of horizontal area occupied by land."}}}, "age_of_surface_snow": {"Eday": {"agesno": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Age of Snow (when computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.  Reported as missing data in regions free of snow on land."}}, "LImon": {"agesno": {"cell_methods": "area: mean where land time: mean (with samples weighted by snow mass)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Age of Snow (when computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.  Reported as missing data in regions free of snow on land."}}}, "canopy_albedo": {"Eday": {"albc": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Albedo of the vegetation: fraction of incoming solar radiation which is reflected before reaching the ground."}}}, "surface_albedo": {"Eday": {"albsn": {"cell_methods": "area: time: mean where snow (comment: mask=snc)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Albedo of the snow-covered surface, averaged over the grid cell."}}}, "stratosphere_optical_thickness_due_to_volcanic_ambient_aerosol_particles": {"Eday": {"aod550volso4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time lambda550nm", "comment": "Aerosol optical depth at 550nm due to stratospheric volcanic aerosols"}}}, "aerodynamic_resistance": {"Eday": {"ares": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The 'aerodynamic_resistance' is the resistance to mixing through the boundary layer toward the surface by means of the dominant process, turbulent transport. Reference: Wesely, M. L., 1989,  doi:10.1016/0004-6981(89)90153-4."}}}, "number_concentration_of_convective_cloud_liquid_water_particles_at_convective_liquid_water_cloud_top": {"Eday": {"ccldncl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Droplets are liquid only.  Report concentration 'as seen from space' over convective liquid cloudy portion of grid cell.  This is the value from uppermost model layer with liquid cloud or, if available, it is better to sum over all liquid cloud tops, no matter where they occur, as long as they are seen from the top of the atmosphere. Weight by total liquid cloud top fraction of  (as seen from TOA) each time sample when computing monthly mean."}}}, "number_concentration_of_ice_crystals_in_air_at_ice_cloud_top": {"Eday": {"cldnci": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Concentration 'as seen from space' over ice-cloud portion of grid cell.  This is the value from uppermost model layer with ice cloud or, if available, it is the sum over all ice cloud tops, no matter where they occur, as long as they are seen from the top of the atmosphere. Weight by total ice cloud top fraction (as seen from TOA) of each time sample when computing monthly mean."}}, "Emon": {"cldnci": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Concentration 'as seen from space' over ice-cloud portion of grid cell.  This is the value from uppermost model layer with ice cloud or, if available, it is the sum over all ice cloud tops, no matter where they occur, as long as they are seen from the top of the atmosphere. Weight by total ice cloud top fraction (as seen from TOA) of each time sample when computing monthly mean."}}}, "atmosphere_number_content_of_cloud_droplets": {"Eday": {"cldnvi": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Droplets are liquid only.  Values are weighted by liquid cloud fraction in each layer when vertically integrating, and for monthly means the samples are weighted by total liquid cloud fraction (as seen from TOA)."}}, "Emon": {"cldnvi": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Droplets are liquid only.  Values are weighted by liquid cloud fraction in each layer when vertically integrating, and for monthly means the samples are weighted by total liquid cloud fraction (as seen from TOA)."}}}, "atmosphere_mass_content_of_convective_cloud_ice": {"Eday": {"clivic": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "calculate mass of convective ice water in the column divided by the area of the column (not just the area of the cloudy portion of the column). This includes precipitating frozen hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}}, "atmosphere_mass_content_of_convective_cloud_condensed_water": {"Eday": {"clwvic": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "calculate mass of convective condensed (liquid + ice) water in the column divided by the area of the column (not just the area of the cloudy portion of the column). This includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}, "Emon": {"clwvic": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "calculate mass of convective condensed (liquid + ice) water in the column divided by the area of the column (not just the area of the cloudy portion of the column). This includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model."}}}, "vegetation_area_fraction": {"Eday": {"cnc": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Percentage of area covered by vegetation."}}}, "canopy_water_amount": {"Eday": {"cw": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Amount' means mass per unit area. 'Water' means water in all phases, including frozen i.e. ice and snow. 'Canopy' means the plant or vegetation canopy. The canopy water is the water on the canopy."}}}, "change_over_time_in_canopy_water_amount": {"Eday": {"dcw": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The phrase 'change_over_time_in_X' means change in a quantity X over a time-interval, which should be defined by the bounds of the time coordinate. 'Canopy' means the plant or vegetation canopy. Canopy water is the water on the canopy. 'Water' means water in all phases, including frozen, i.e. ice and snow. 'Amount' means mass per unit area."}}}, "change_over_time_in_groundwater_amount": {"Eday": {"dgw": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacellr", "dimensions": "longitude latitude time", "comment": "Groundwater is subsurface water below the depth of the water table."}}}, "depth_at_shallowest_isotherm_defined_by_soil_temperature": {"Eday": {"dmlt": {"cell_methods": "area: time: mean where unfrozen_soil", "cell_measures": "area: areacella", "dimensions": "longitude latitude time stempzero", "comment": "Depth from surface to the zero degree isotherm. Above this isotherm T > 0o, and below this line T < 0o. Missing if surface is frozen or if soil is unfrozen at all depths."}}}, "change_over_time_in_river_water_amount": {"Eday": {"drivw": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacellr", "dimensions": "longitude latitude time", "comment": "Change over time of the mass of water per unit area in the fluvial system (stream and floodplain)."}}}, "change_over_time_in_mass_content_of_water_in_soil": {"Eday": {"dslw": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The phrase 'change_over_time_in_X' means change in a quantity X over a time-interval, which should be defined by the bounds of the time coordinate. 'Content' indicates a quantity per unit area. The mass content of water in soil refers to the vertical integral from the surface down to the bottom of the soil model. For the content between specified levels in the soil, standard names including 'content_of_soil_layer' are used. 'Water' means water in all phases."}}}, "change_over_time_in_amount_of_ice_and_snow_on_land": {"Eday": {"dsn": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Change in time of the mass per unit area of ice in glaciers, ice caps, ice sheets and shelves, river and lake ice, any other ice on a land surface, such as frozen flood water, and snow lying on such ice or on the land surface."}}}, "change_over_time_in_land_water_amount": {"Eday": {"dsw": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The phrase 'land_water_amount', often known as 'Terrestrial Water Storage', includes: surface liquid water (water in rivers, wetlands, lakes, reservoirs, rainfall intercepted by the canopy); surface ice and snow (glaciers, ice caps, grounded ice sheets not displacing sea water, river and lake ice, other surface ice such as frozen flood water, snow lying on the surface and intercepted by the canopy); subsurface water (liquid and frozen soil water, groundwater)."}}}, "change_over_time_in_thermal_energy_content_of_vegetation_and_litter_and_soil": {"Eday": {"dtes": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Change in heat storage over the soil layer and the vegetation for which the energy balance is calculated, accumulated over the sampling time interval."}}}, "change_over_time_in_thermal_energy_content_of_ice_and_snow_on_land": {"Eday": {"dtesn": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Change in cold content over the snow layer for which the energy balance is calculated, accumulated over the sampling time interval. This should also include the energy contained in the liquid water in the snow pack."}}}, "water_evaporation_flux_from_canopy": {"Eday": {"ec": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Evaporation flux from water in all phases on the vegetation canopy."}}, "Lmon": {"evspsblveg": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The canopy evaporation and sublimation (if present in model); may include dew formation as a negative flux."}}}, "surface_water_evaporation_flux": {"Eday": {"eow": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Evaporation (conversion of liquid or solid into vapor) from open water. "}}}, "water_evaporation_flux_from_soil": {"Eday": {"es": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Water here means water in all phases. Evaporation is the conversion of liquid or solid into vapor. (The conversion of solid alone into vapor is called 'sublimation'.) In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "Lmon": {"evspsblsoi": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Water evaporation from soil (including sublimation)."}}}, "water_potential_evaporation_flux": {"Eday": {"evspsblpot": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "at surface; potential flux of water into the atmosphere due to conversion of both liquid and solid phases to vapor (from underlying surface and vegetation)"}}, "Emon": {"evspsblpot": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "at surface; potential flux of water into the atmosphere due to conversion of both liquid and solid phases to vapor (from underlying surface and vegetation)"}}}, "surface_downward_heat_flux_in_air": {"Eday": {"hfdsl": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'Downward' indicates a vector component which is positive when directed downward (negative upward). The vertical heat flux in air is the sum of all heat fluxes i.e. radiative, latent and sensible. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}}, "surface_downward_heat_flux_in_snow": {"Eday": {"hfdsn": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "the net downward heat flux from the atmosphere into the snow that lies on land divided by the land area in the grid cell; reported as 0.0 for snow-free land regions or where the land fraction is 0."}}, "LImon": {"hfdsn": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "the net downward heat flux from the atmosphere into the snow that lies on land divided by the land area in the grid cell; reported as 0.0 for snow-free land regions or where the land fraction is 0."}}}, "downward_heat_flux_at_ground_level_in_snow": {"Eday": {"hfdsnb": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Heat flux from snow into the ice or land under the snow."}}}, "surface_snow_and_ice_melt_heat_flux": {"Eday": {"hfmlt": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Energy consumed or released during liquid/solid phase changes."}}}, "tendency_of_thermal_energy_content_of_surface_snow_due_to_rainfall_temperature_excess_above_freezing": {"Eday": {"hfrs": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Heat transferred to a snow cover by rain.."}}}, "surface_upward_latent_heat_flux_due_to_sublimation": {"Eday": {"hfsbl": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Energy consumed or released during vapor/solid phase changes."}}}, "leaf_area_index": {"Eday": {"lai": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "A ratio obtained by dividing the total upper leaf surface area of vegetation by the (horizontal) surface area of the land on which it grows."}}, "Emon": {"laiLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "A ratio obtained by dividing the total upper leaf surface area of vegetation by the (horizontal) surface area of the land on which it grows."}}, "Lmon": {"lai": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "A ratio obtained by dividing the total upper leaf surface area of vegetation by the (horizontal) surface area of the land on which it grows."}}}, "atmosphere_mass_content_of_elemental_carbon_dry_aerosol_particles": {"Eday": {"loadbc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total dry mass of black carbon aerosol particles per unit area."}}}, "atmosphere_mass_content_of_dust_dry_aerosol_particles": {"Eday": {"loaddust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total dry mass of dust aerosol particles per unit area."}}, "Emon": {"loaddust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total dry mass of dust aerosol particles per unit area."}}}, "atmosphere_mass_content_of_ammonium_dry_aerosol_particles": {"Eday": {"loadnh4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total dry mass of ammonium aerosol particles per unit area."}}}, "atmosphere_mass_content_of_nitrate_dry_aerosol_particles": {"Eday": {"loadno3": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total dry mass of nitrate aerosol particles per unit area."}}}, "atmosphere_mass_content_of_particulate_organic_matter_dry_aerosol_particles": {"Eday": {"loadoa": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "atmosphere dry organic content: This is the vertically integrated sum of atmosphere_primary_organic_content and atmosphere_secondary_organic_content (see next two table entries)."}}}, "atmosphere_mass_content_of_primary_particulate_organic_matter_dry_aerosol_particles": {"Eday": {"loadpoa": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total dry mass of primary particulate organic aerosol particles per unit area."}}}, "atmosphere_mass_content_of_sulfate_dry_aerosol_particles": {"Eday": {"loadso4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total dry mass of sulfate aerosol particles per unit area."}}, "Emon": {"loadso4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total dry mass of sulfate aerosol particles per unit area."}}}, "atmosphere_mass_content_of_secondary_particulate_organic_matter_dry_aerosol_particles": {"Eday": {"loadsoa": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total dry mass of secondary particulate organic aerosol particles per unit area."}}}, "atmosphere_mass_content_of_sea_salt_dry_aerosol_particles": {"Eday": {"loadss": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total dry mass of sea salt aerosol particles per unit area."}}, "Emon": {"loadss": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total dry mass of sea salt aerosol particles per unit area."}}}, "liquid_water_content_of_surface_snow": {"Eday": {"lwsnl": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total mass of liquid water contained interstitially within the whole depth of the snow layer of the land portion of a grid cell divided by the area of the land portion of the cell."}}, "SImon": {"sisnmass": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Total mass of snow on sea ice divided by sea-ice area."}}, "LImon": {"lwsnl": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total mass of liquid water contained interstitially within the whole depth of the snow layer of the land portion of a grid cell divided by the area of the land portion of the cell."}}}, "ocean_mixed_layer_thickness_defined_by_sigma_t": {"Eday": {"mlotst": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Sigma T is potential density referenced to ocean surface."}}, "Omon": {"mlotst": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Sigma T is potential density referenced to ocean surface."}, "mlotstmax": {"cell_methods": "area: mean time: maximum", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Sigma T is potential density referenced to ocean surface."}, "mlotstmin": {"cell_methods": "area: mean time: minimum", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Sigma T is potential density referenced to ocean surface."}}}, "mass_fraction_of_frozen_water_in_soil_moisture": {"Eday": {"mrfsofr": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth time", "comment": "Fraction of soil moisture mass in the solid phase in each user-defined soil layer (3D variable)"}}}, "mass_fraction_of_unfrozen_water_in_soil_moisture": {"Eday": {"mrlqso": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth time", "comment": "Fraction of soil moisture mass in the liquid phase in each user-defined soil layer (3D variable)"}}}, "subsurface_runoff_flux": {"Eday": {"mrrob": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Runoff is the liquid water which drains from land. If not specified, 'runoff' refers to the sum of surface runoff and subsurface drainage. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}}, "surface_runoff_flux": {"Eday": {"mrros": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total surface run off leaving the land portion of the grid cell (excluding drainage through the base of the soil model)."}}, "Lmon": {"mrros": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total surface run off leaving the land portion of the grid cell (excluding drainage through the base of the soil model)."}}}, "frozen_water_content_of_soil_layer": {"Eday": {"mrsfl": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth time", "comment": "in each soil layer, the mass of water in ice phase.  Reported as 'missing' for grid cells occupied entirely by 'sea'"}}, "Emon": {"mrsfl": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth time", "comment": "in each soil layer, the mass of water in ice phase.  Reported as 'missing' for grid cells occupied entirely by 'sea'"}}}, "liquid_water_content_of_soil_layer": {"Eday": {"mrsll": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth time", "comment": "in each soil layer, the mass of water in liquid phase.  Reported as 'missing' for grid cells occupied entirely by 'sea'"}}, "Emon": {"mrlso": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The mass (summed over all all layers) of liquid water."}, "mrsll": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth time", "comment": "in each soil layer, the mass of water in liquid phase.  Reported as 'missing' for grid cells occupied entirely by 'sea'"}}}, "mass_content_of_water_in_soil_layer": {"Eday": {"mrsol": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth time", "comment": "in each soil layer, the mass of water in all phases, including ice.  Reported as 'missing' for grid cells occupied entirely by 'sea'"}}, "day": {"mrsos": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time sdepth1", "comment": "The mass of water in all phases in the upper 10cm of the  soil layer."}}, "3hr": {"mrsos": {"cell_methods": "area: mean where land time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 sdepth1", "comment": "The mass of water in all phases in the upper 10cm of the  soil layer."}}, "Emon": {"mrsol": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth time", "comment": "in each soil layer, the mass of water in all phases, including ice.  Reported as 'missing' for grid cells occupied entirely by 'sea'"}, "mrsosLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time sdepth1", "comment": "the mass of water in all phases in a thin surface layer; integrate over uppermost 10cm"}}, "6hrPlevPt": {"mrsol": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth time1", "comment": "in each soil layer, the mass of water in all phases, including ice.  Reported as 'missing' for grid cells occupied entirely by 'sea'"}, "mrsos": {"cell_methods": "area: mean where land time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 sdepth1", "comment": "The mass of water in all phases in the upper 10cm of the  soil layer."}}, "Lmon": {"mrsos": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time sdepth1", "comment": "The mass of water in all phases in the upper 10cm of the  soil layer."}}}, "land_water_amount": {"Eday": {"mrtws": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Mass of water in all phases and in all components including soil, canopy, vegetation, ice sheets, rivers and ground water."}}, "Emon": {"mrtws": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Mass of water in all phases and in all components including soil, canopy, vegetation, ice sheets, rivers and ground water."}}}, "nudging_increment_in_mass_content_of_water_in_soil": {"Eday": {"nudgincsm": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "A nudging increment refers to an amount added to parts of a model system. The phrase 'nudging_increment_in_X' refers to an increment in quantity X over a time period which should be defined in the bounds of the time coordinate. 'Content' indicates a quantity per unit area. 'Water' means water in all phases. The mass content of water in soil refers to the vertical integral from the surface down to the bottom of the soil model. The 'soil content' of a quantity refers to the vertical integral from the surface down to the bottom of the soil model. For the content between specified levels in the soil, standard names including 'content_of_soil_layer' are used."}}}, "nudging_increment_in_snow_and_ice_amount_on_land": {"Eday": {"nudgincswe": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "A nudging increment refers to an amount added to parts of a model system. The phrase 'nudging_increment_in_X' refers to an increment in quantity X over a time period which should be defined in the bounds of the time coordinate. The surface called 'surface' means the lower boundary of the atmosphere. 'Amount' means mass per unit area. 'Snow and ice on land' means ice in glaciers, ice caps, ice sheets & shelves, river and lake ice, any other ice on a land surface, such as frozen flood water, and snow lying on such ice or on the land surface."}}}, "liquid_water_content_of_permafrost_layer": {"Eday": {"pflw": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "*where land over land*, i.e., this is the total mass of liquid water contained within the permafrost layer within the land portion of a grid cell divided by the area of the land portion of the cell."}}, "LImon": {"pflw": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "*where land over land*, i.e., this is the total mass of liquid water contained within the permafrost layer within the land portion of a grid cell divided by the area of the land portion of the cell."}}}, "rainfall_flux": {"Eday": {"prra": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "E3hr": {"prra": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "ImonAnt": {"prra": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "SImon": {"sipr": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "mass of liquid precipitation falling onto sea ice divided by grid-cell area"}}, "LImon": {"prraIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Rainfall rate over the ice sheet"}}, "ImonGre": {"prra": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}, "Omon": {"prra": {"cell_methods": "area: mean where ice_free_sea over sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}}, "mass_fraction_of_rainfall_falling_onto_surface_snow": {"Eday": {"prrsn": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The fraction of the grid averaged rainfall which falls on the snow pack"}}}, "mass_fraction_of_solid_precipitation_falling_onto_surface_snow": {"Eday": {"prsnsn": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The fraction of the snowfall which falls on the snow pack"}}}, "precipitation_flux_onto_canopy": {"Eday": {"prveg": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The precipitation flux that is intercepted by the vegetation canopy (if present in model) before reaching the ground."}}, "Lmon": {"prveg": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The precipitation flux that is intercepted by the vegetation canopy (if present in model) before reaching the ground."}}}, "downward_liquid_water_mass_flux_into_groundwater": {"Eday": {"qgwr": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacellr", "dimensions": "longitude latitude time", "comment": "Mass flux of water from the soil layer into ground water."}}}, "effective_radius_of_convective_cloud_liquid_water_particles_at_convective_liquid_water_cloud_top": {"Eday": {"reffcclwtop": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Droplets are liquid only.  This is the effective radius 'as seen from space' over convective liquid cloudy portion of grid cell.  This is the value from uppermost model layer with liquid cloud or, if available, or for some models it is the sum over all liquid cloud tops, no matter where they occur, as long as they are seen from the top of the atmosphere. Reported values are weighted by total liquid cloud top fraction of  (as seen from TOA) each time sample when computing monthly mean.daily data, separated to large-scale clouds, convective clouds. If any of the cloud is from more than one process (i.e. shallow convection), please provide them separately."}}}, "effective_radius_of_stratiform_cloud_liquid_water_particles_at_stratiform_liquid_water_cloud_top": {"Eday": {"reffsclwtop": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Droplets are liquid only.  This is the effective radius 'as seen from space' over liquid stratiform cloudy portion of grid cell.  This is the value from uppermost model layer with liquid cloud or, if available, or for some models it is the sum over all liquid cloud tops, no matter where they occur, as long as they are seen from the top of the atmosphere. Reported values are weighted by total liquid cloud top fraction of  (as seen from TOA) each time sample when computing monthly mean.daily data, separated to large-scale clouds, convective clouds. If any of the cloud is from more than one process (i.e. shallow convection), please provide them separately."}}}, "incoming_water_volume_transport_along_river_channel": {"Eday": {"rivi": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacellr", "dimensions": "longitude latitude time", "comment": "Inflow of River Water into Cell"}}}, "outgoing_water_volume_transport_along_river_channel": {"Eday": {"rivo": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacellr", "dimensions": "longitude latitude time", "comment": "Outflow of River Water from Cell"}}}, "surface_net_downward_longwave_flux": {"Eday": {"rls": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Net longwave surface radiation"}}, "day": {"rls": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Net longwave surface radiation"}}, "Emon": {"rls": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Net longwave surface radiation"}}, "Omon": {"rlntds": {"cell_methods": "area: mean where ice_free_sea over sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This is defined as 'where ice_free_sea over sea'"}}}, "surface_diffuse_downwelling_shortwave_flux_in_air_assuming_clear_sky": {"Eday": {"rsdscsdiff": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface downwelling solar irradiance from diffuse radiation for UV calculations in clear sky conditions"}}, "Emon": {"rsdscsdiff": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface downwelling solar irradiance from diffuse radiation for UV calculations in clear sky conditions"}}}, "surface_diffuse_downwelling_shortwave_flux_in_air": {"Eday": {"rsdsdiff": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface downwelling solar irradiance from diffuse radiation for UV calculations."}}, "3hr": {"rsdsdiff": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface downwelling solar irradiance from diffuse radiation for UV calculations."}}, "Emon": {"rsdsdiff": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface downwelling solar irradiance from diffuse radiation for UV calculations."}}}, "surface_net_downward_shortwave_flux": {"Eday": {"rss": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Net downward shortwave radiation at the surface"}}, "day": {"rss": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Net downward shortwave radiation at the surface"}}, "Emon": {"rss": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Net downward shortwave radiation at the surface"}}}, "mass_content_of_water_in_soil_layer_defined_by_root_depth": {"Eday": {"rzwc": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Content' indicates a quantity per unit area. The content of a soil layer is the vertical integral of the specified quantity within the layer. The quantity with standard name mass_content_of_water_in_soil_layer_defined_by_root_depth is the vertical integral between the surface and the depth to which plant roots penetrate. A coordinate variable or scalar coordinate variable with standard name root_depth can be used to specify the extent of the layer. 'Water' means water in all phases."}}}, "tendency_of_atmosphere_mass_content_of_water_vapor_due_to_sublimation_of_surface_ice": {"Eday": {"sblnosn": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Rate of sublimation of ice into the atmosphere from areas with no snow."}}}, "number_concentration_of_stratiform_cloud_liquid_water_particles_at_stratiform_liquid_water_cloud_top": {"Eday": {"scldncl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Droplets are liquid only.  Report concentration 'as seen from space' over stratiform liquid cloudy portion of grid cell.  This is the value from uppermost model layer with liquid cloud or, if available, it is better to sum over all liquid cloud tops, no matter where they occur, as long as they are seen from the top of the atmosphere. Weight by total liquid cloud top fraction of  (as seen from TOA) each time sample when computing monthly mean."}}}, "surface_snow_melt_flux": {"Eday": {"snm": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total surface snow melt rate on the land portion of the grid cell divided by the land area in the grid cell; report as zero for snow-free land regions and missing where there is no land."}}, "ImonAnt": {"snm": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "The total surface snow melt rate on the land portion of the grid cell divided by the land area in the grid cell; report as zero for snow-free land regions and missing where there is no land."}}, "SImon": {"sndmassmelt": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "the rate of change of snow mass through melt divided by sea-ice area"}}, "LImon": {"snm": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total surface snow melt rate on the land portion of the grid cell divided by the land area in the grid cell; report as zero for snow-free land regions and missing where there is no land."}, "snmIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total surface snow melt rate on the land portion of the grid cell divided by the land area in the grid cell; report as zero for snow-free land regions and missing where there is no land."}}, "ImonGre": {"snm": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "The total surface snow melt rate on the land portion of the grid cell divided by the land area in the grid cell; report as zero for snow-free land regions and missing where there is no land."}}}, "liquid_water_mass_flux_into_soil_due_to_surface_snow_melt": {"Eday": {"snmsl": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Mass flow rate of water draining out of the snow pack."}}}, "surface_snow_and_ice_refreezing_flux": {"Eday": {"snrefr": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics. The surface called 'surface' means the lower boundary of the atmosphere. 'Surface snow and ice refreezing flux' means the mass flux of surface  meltwater which refreezes within the snow or firn."}}, "ImonAnt": {"snicefreez": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Mass flux of surface meltwater which refreezes within the snowpack. Computed as the total refreezing on the land ice portion of the grid cell divided by land ice area in the grid cell."}}, "LImon": {"snicefreezIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Mass flux of surface meltwater which refreezes within the snowpack. Computed as the total refreezing on the land ice portion of the grid cell divided by land ice area in the grid cell."}}, "ImonGre": {"snicefreez": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Mass flux of surface meltwater which refreezes within the snowpack. Computed as the total refreezing on the land ice portion of the grid cell divided by land ice area in the grid cell."}}}, "canopy_snow_amount": {"Eday": {"snwc": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total water mass of the snowpack (liquid or frozen), averaged over a grid cell and intercepted by the canopy."}}}, "soot_content_of_surface_snow": {"Eday": {"sootsn": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "the entire land portion of the grid cell is considered, with snow soot content set to 0.0 in regions free of snow."}}, "LImon": {"sootsn": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "the entire land portion of the grid cell is considered, with snow soot content set to 0.0 in regions free of snow."}}}, "land_surface_liquid_water_amount": {"Eday": {"sw": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total liquid water storage, other than soil, snow or interception storage (i.e. lakes, river channel or depression storage)."}}}, "depth_of_isosurface_of_sea_water_potential_temperature": {"Eday": {"t20d": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This quantity, sometimes called the 'isotherm depth', is the depth (if it exists) at which the sea water potential temperature equals some specified value. This value should be specified in a scalar coordinate variable. Depth is the vertical distance below the surface. Potential temperature is the temperature a parcel of air or sea water would have if moved adiabatically to sea level pressure."}}, "Emon": {"t20d": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This quantity, sometimes called the 'isotherm depth', is the depth (if it exists) at which the sea water potential temperature equals some specified value. This value should be specified in a scalar coordinate variable. Depth is the vertical distance below the surface. Potential temperature is the temperature a parcel of air or sea water would have if moved adiabatically to sea level pressure."}}}, "magnitude_of_surface_downward_stress": {"Eday": {"tau": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "module of the momentum lost by the atmosphere to the surface."}}}, "surface_downward_eastward_stress_due_to_boundary_layer_mixing": {"Eday": {"tauupbl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The  downward eastward stress associated with the models parameterization of the planetary boundary layer. (This request is related to a WGNE effort to understand how models parameterize the surface stresses.)"}}}, "surface_downward_northward_stress_due_to_boundary_layer_mixing": {"Eday": {"tauvpbl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The  downward northward stress associated with the models parameterization of the planetary boundary layer. (This request is related to a WGNE effort to understand how models parameterize the surface stresses.)"}}}, "canopy_temperature": {"Eday": {"tcs": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Vegetation temperature, averaged over all vegetation types"}}}, "dew_point_temperature": {"Eday": {"tdps": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Dew point temperature is the temperature at which a parcel of air reaches saturation upon being cooled at constant pressure and specific humidity."}}, "Emon": {"tdps": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Dew point temperature is the temperature at which a parcel of air reaches saturation upon being cooled at constant pressure and specific humidity."}}}, "permafrost_layer_thickness": {"Eday": {"tpf": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The mean thickness of the permafrost layer in the land portion of the grid cell.  Reported as zero in permafrost-free regions."}}, "LImon": {"tpf": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The mean thickness of the permafrost layer in the land portion of the grid cell.  Reported as zero in permafrost-free regions."}}}, "transpiration_flux": {"Eday": {"tran": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Transpiration (may include dew formation as a negative flux)."}}, "Lmon": {"tran": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Transpiration (may include dew formation as a negative flux)."}}}, "soil_temperature": {"Eday": {"tsl": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth time", "comment": "Temperature of soil. Reported as missing for grid cells with no land."}}, "6hrPlevPt": {"tsl": {"cell_methods": "area: mean where land time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1 sdepth1", "comment": "Temperature of soil. Reported as missing for grid cells with no land."}}, "Lmon": {"tsl": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude sdepth time", "comment": "Temperature of soil. Reported as missing for grid cells with no land."}}}, "temperature_in_surface_snow": {"Eday": {"tsn": {"cell_methods": "area: mean where land time: mean (with samples weighted by snow mass)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "This temperature is averaged over all the snow in the grid cell that rests on land or land ice.  When computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.   Reported as missing in regions free of snow on land."}}, "ImonAnt": {"tsn": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "This temperature is averaged over all the snow in the grid cell that rests on land or land ice.  When computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.   Reported as missing in regions free of snow on land."}}, "LImon": {"tsn": {"cell_methods": "area: mean where land time: mean (with samples weighted by snow mass)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "This temperature is averaged over all the snow in the grid cell that rests on land or land ice.  When computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.   Reported as missing in regions free of snow on land."}, "tsnIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "This temperature is averaged over all the snow in the grid cell that rests on land or land ice.  When computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.   Reported as missing in regions free of snow on land."}}, "ImonGre": {"tsn": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "This temperature is averaged over all the snow in the grid cell that rests on land or land ice.  When computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.   Reported as missing in regions free of snow on land."}}}, "water_table_depth": {"Eday": {"wtd": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacellr", "dimensions": "longitude latitude time", "comment": "Depth is the vertical distance below the surface. The water table is the surface below which the soil is saturated with water such that all pore spaces are filled."}}, "Emon": {"wtd": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacellr", "dimensions": "longitude latitude time", "comment": "Depth is the vertical distance below the surface. The water table is the surface below which the soil is saturated with water such that all pore spaces are filled."}}}, "gross_primary_productivity_of_biomass_expressed_as_carbon": {"E3hr": {"gpp": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The rate of synthesis of biomass from inorganic precursors by autotrophs ('producers') expressed as the mass of carbon which it contains. For example, photosynthesis in plants or phytoplankton. The producers also respire some of this biomass and the difference is referred to as the net primary production. "}}, "Emon": {"gppGrass": {"cell_methods": "area: time: mean where natural_grasses (comment: mask=grassFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total GPP of grass in the grid cell"}, "gppLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "The rate of synthesis of biomass from inorganic precursors by autotrophs ('producers') expressed as the mass of carbon which it contains. For example, photosynthesis in plants or phytoplankton. The producers also respire some of this biomass and the difference is referred to as the net primary production. Reported on land-use tiles."}, "gppShrub": {"cell_methods": "area: time: mean where shrubs (comment: mask=shrubFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total GPP of shrubs in the grid cell"}, "gppTree": {"cell_methods": "area: time: mean where trees (comment: mask=treeFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total GPP of trees in the grid cell"}}, "Lmon": {"gpp": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The rate of synthesis of biomass from inorganic precursors by autotrophs ('producers') expressed as the mass of carbon which it contains. For example, photosynthesis in plants or phytoplankton. The producers also respire some of this biomass and the difference is referred to as the net primary production. "}}}, "shallow_convective_precipitation_flux": {"E3hr": {"prcsh": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Convection precipitation from shallow convection"}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_plant_respiration": {"E3hr": {"ra": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass flux per unit area into atmosphere due to autotrophic respiration on land (respiration by producers) [see rh for heterotrophic production]"}}, "Emon": {"raGrass": {"cell_methods": "area: time: mean where natural_grasses (comment: mask=grassFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total RA of grass in the grid cell"}, "raLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "Carbon mass flux per unit area into atmosphere due to autotrophic respiration on land (respiration by producers) [see rh for heterotrophic production]. Calculated on land-use tiles."}, "raShrub": {"cell_methods": "area: time: mean where shrubs (comment: mask=shrubFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total RA of shrubs in the grid cell"}, "raTree": {"cell_methods": "area: time: mean where trees (comment: mask=treeFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total RA of trees in the grid cell"}}, "Lmon": {"ra": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass flux per unit area into atmosphere due to autotrophic respiration on land (respiration by producers) [see rh for heterotrophic production]"}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_heterotrophic_respiration": {"E3hr": {"rh": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass flux per unit area into atmosphere due to heterotrophic respiration on land (respiration by consumers)"}}, "Emon": {"rhGrass": {"cell_methods": "area: time: mean where natural_grasses (comment: mask=grassFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total RH of grass in the grid cell"}, "rhLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "Carbon mass flux per unit area into atmosphere due to heterotrophic respiration on land (respiration by consumers), calculated on land-use tiles."}, "rhShrub": {"cell_methods": "area: time: mean where shrubs (comment: mask=shrubFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total RH of shrubs in the grid cell"}, "rhTree": {"cell_methods": "area: time: mean where trees (comment: mask=treeFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total RH of trees in the grid cell"}}, "Lmon": {"rh": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass flux per unit area into atmosphere due to heterotrophic respiration on land (respiration by consumers)"}}}, "land_ice_surface_melt_flux": {"ImonAnt": {"icem": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Loss of ice mass resulting from surface melting. Computed as the total surface melt water on the land ice portion of the grid cell divided by land ice area in the grid cell."}}, "LImon": {"icemIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Loss of ice mass resulting from surface melting. Computed as the total surface melt water on the land ice portion of the grid cell divided by land ice area in the grid cell."}}, "ImonGre": {"icem": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Loss of ice mass resulting from surface melting. Computed as the total surface melt water on the land ice portion of the grid cell divided by land ice area in the grid cell."}}}, "land_ice_runoff_flux": {"ImonAnt": {"mrroLi": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Runoff flux over land ice is the difference between any available liquid water in the snowpack less any refreezing. Computed as the sum of rainfall and melt of snow or ice less any refreezing or water retained in the snowpack"}}, "ImonGre": {"mrroLi": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Runoff flux over land ice is the difference between any available liquid water in the snowpack less any refreezing. Computed as the sum of rainfall and melt of snow or ice less any refreezing or water retained in the snowpack"}}}, "surface_snow_and_ice_melt_flux": {"ImonAnt": {"snicem": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xant yant time", "comment": "Loss of snow and ice mass resulting from surface melting. Computed as the total surface melt on the land ice portion of the grid cell divided by land ice area in the grid cell."}}, "LImon": {"snicemIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Loss of snow and ice mass resulting from surface melting. Computed as the total surface melt on the land ice portion of the grid cell divided by land ice area in the grid cell."}}, "ImonGre": {"snicem": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacellg", "dimensions": "xgre ygre time", "comment": "Loss of snow and ice mass resulting from surface melting. Computed as the total surface melt on the land ice portion of the grid cell divided by land ice area in the grid cell."}}}, "photolysis_rate_of_molecular_oxygen": {"EmonZ": {"jo2": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Rate of photolysis of molecular oxygen to atomic oxygen (o2 -> o1d+o)"}}}, "photolysis_rate_of_ozone": {"EmonZ": {"jo3": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Sum of photolysis rates o3 -> o1d+o2 and o3 -> o+o2"}}}, "tendency_of_mole_concentration_of_ox_in_air_due_to_chemical_destruction": {"EmonZ": {"oxloss": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "total chemical loss rate for o+o1d+o3"}}}, "tendency_of_mole_concentration_of_ox_in_air_due_to_chemical_and_photolytic_production": {"EmonZ": {"oxprod": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "total production rate of o+o1d+o3 including o2 photolysis and all o3 producing reactions"}}}, "northward_ocean_salt_transport": {"EmonZ": {"sltbasin": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude basin time", "comment": "function of latitude, basin"}}}, "tendency_of_air_temperature_due_to_convection": {"EmonZ": {"tntc": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Tendencies from cumulus convection scheme."}}, "CFmon": {"tntc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Tendencies from cumulus convection scheme."}}, "CFsubhr": {"tntc": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Tendencies from cumulus convection scheme."}}}, "tendency_of_air_temperature_due_to_model_physics": {"EmonZ": {"tntmp": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Tendency of air temperature due to model physics. This includes sources and sinks from parametrized physics (e.g. radiation, convection, boundary layer, stratiform condensation/evaporation, etc.). It excludes sources and sinks from resolved dynamics and numerical diffusion not associated with parametrized physics.  For example, any vertical diffusion which is part of the boundary layer mixing scheme should be included, while numerical diffusion applied in addition to physics or resolved dynamics should be excluded.  This term is required to check the closure of the heat budget."}}, "Emon": {"tntmp27": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time", "comment": "Tendency of air temperature due to model physics. This includes sources and sinks from parametrized physics (e.g. radiation, convection, boundary layer, stratiform condensation/evaporation, etc.). It excludes sources and sinks from resolved dynamics and numerical diffusion not associated with parametrized physics.  For example, any vertical diffusion which is part of the boundary layer mixing scheme should be included, while numerical diffusion applied in addition to physics or resolved dynamics should be excluded.  This term is required to check the closure of the heat budget."}}, "CFmon": {"tntmp": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Tendency of air temperature due to model physics. This includes sources and sinks from parametrized physics (e.g. radiation, convection, boundary layer, stratiform condensation/evaporation, etc.). It excludes sources and sinks from resolved dynamics and numerical diffusion not associated with parametrized physics.  For example, any vertical diffusion which is part of the boundary layer mixing scheme should be included, while numerical diffusion applied in addition to physics or resolved dynamics should be excluded.  This term is required to check the closure of the heat budget."}}, "CFsubhr": {"tntmp": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Tendency of air temperature due to model physics. This includes sources and sinks from parametrized physics (e.g. radiation, convection, boundary layer, stratiform condensation/evaporation, etc.). It excludes sources and sinks from resolved dynamics and numerical diffusion not associated with parametrized physics.  For example, any vertical diffusion which is part of the boundary layer mixing scheme should be included, while numerical diffusion applied in addition to physics or resolved dynamics should be excluded.  This term is required to check the closure of the heat budget."}}}, "tendency_of_air_temperature_due_to_dissipation_of_nonorographic_gravity_waves": {"EmonZ": {"tntnogw": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Temperature tendency due to dissipation of parameterized nonorographic gravity waves."}}}, "tendency_of_air_temperature_due_to_dissipation_of_orographic_gravity_waves": {"EmonZ": {"tntogw": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Temperature tendency due to dissipation of parameterized orographic gravity waves."}}}, "mole_fraction_of_ox_in_air": {"EmonZ": {"vmrox": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Mole Fraction of Ox"}}}, "atmosphere_eastward_stress_due_to_gravity_wave_drag": {"EmonZ": {"xgwdparam": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Parameterised x-component of gravity wave drag"}}, "Emon": {"xgwdparam": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Parameterised x-component of gravity wave drag"}}}, "atmosphere_northward_stress_due_to_gravity_wave_drag": {"EmonZ": {"ygwdparam": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Parameterised y- component of gravity wave drag"}}, "Emon": {"ygwdparam": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Parameterised y- component of gravity wave drag"}}}, "tendency_of_air_temperature_due_to_diabatic_processes": {"EmonZ": {"zmtnt": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "The diabatic heating rates due to all the processes that may change potential temperature"}}}, "mole_fraction_of_inorganic_bromine_in_air": {"AERmonZ": {"bry": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Total family (the sum of all appropriate species in the model) ; list the species in the netCDF header, e.g. Bry = Br + BrO + HOBr + HBr + BrONO2 + BrCl Definition: Total inorganic bromine (e.g., HBr and inorganic bromine oxides and radicals (e.g., BrO, atomic bromine (Br), bromine nitrate (BrONO2)) resulting from degradation of bromine-containing organic source gases (halons, methyl bromide, VSLS), and natural inorganic bromine sources (e.g., volcanoes, sea salt, and other aerosols) add comment attribute with detailed description about how the model calculates these fields"}}}, "mole_fraction_of_inorganic_chlorine_in_air": {"AERmonZ": {"cly": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Total family (the sum of all appropriate species in the model) ; list the species in the netCDF header, e.g. Cly = HCl + ClONO2 + HOCl + ClO + Cl + 2*Cl2O2 +2Cl2 + OClO + BrCl Definition: Total inorganic stratospheric chlorine (e.g., HCl, ClO) resulting from degradation of chlorine-containing source gases (CFCs, HCFCs, VSLS), and natural inorganic chlorine sources (e.g., sea salt and other aerosols) add comment attribute with detailed description about how the model calculates these fields"}}}, "mole_fraction_of_hydrogen_chloride_in_air": {"AERmonZ": {"hcl": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.  The chemical formula of hydrogen chloride is HCl."}}, "AERmon": {"hcl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.  The chemical formula of hydrogen chloride is HCl."}}}, "mole_fraction_of_nitric_acid_in_air": {"AERmonZ": {"hno3": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}, "AERmon": {"hno3": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}}, "mole_fraction_of_hydroperoxyl_radical_in_air": {"AERmonZ": {"ho2": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.  The chemical formula of hydroperoxyl radical is HO2."}}}, "age_of_stratospheric_air": {"AERmonZ": {"meanage": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "The mean age of air is defined as the mean time that a stratospheric air mass has been out of contact with the well-mixed troposphere."}}}, "mole_fraction_of_noy_expressed_as_nitrogen_in_air": {"AERmonZ": {"noy": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Total family (the sum of all appropriate species in the model); list the species in the netCDF header, e.g. NOy = N + NO + NO2 + NO3 + HNO3 + 2N2O5 + HNO4 + ClONO2 + BrONO2 Definition: Total reactive nitrogen; usually includes atomic nitrogen (N), nitric oxide (NO), NO2, nitrogen trioxide (NO3), dinitrogen radical (N2O5), nitric acid (HNO3), peroxynitric acid (HNO4), BrONO2, ClONO2 add comment attribute with detailed description about how the model calculates these fields"}}}, "mole_fraction_of_hydroxyl_radical_in_air": {"AERmonZ": {"oh": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude plev39 time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}, "AERmon": {"oh": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}}, "covariance_over_longitude_of_northward_wind_and_air_temperature": {"AERmonZ": {"vt100": {"cell_methods": "longitude: mean time: mean", "cell_measures": "", "dimensions": "latitude time p100", "comment": "Zonally averaged eddy temperature flux at 100hPa as monthly means derived from daily (or higher frequency) fields."}}}, "runoff_flux": {"day": {"mrro": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total run-off (including drainage through the base of the soil model) per unit area leaving the land portion of the grid cell."}}, "3hr": {"mrro": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total run-off (including drainage through the base of the soil model) per unit area leaving the land portion of the grid cell."}}, "Emon": {"mrroLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "the total runoff (including 'drainage' through the base of the soil model) leaving the land use tile portion of the grid cell"}}, "LImon": {"mrroIs": {"cell_methods": "area: time: mean where ice_sheet", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total run-off (including drainage through the base of the soil model) per unit area leaving the land portion of the grid cell."}}, "Lmon": {"mrro": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total run-off (including drainage through the base of the soil model) per unit area leaving the land portion of the grid cell."}}}, "mass_content_of_water_in_soil": {"day": {"mrso": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "the mass per unit area  (summed over all soil layers) of water in all phases."}}, "Emon": {"mrsoLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "'Water' means water in all phases. 'Content' indicates a quantity per unit area. The mass content of water in soil refers to the vertical integral from the surface down to the bottom of the soil model. For the content between specified levels in the soil, standard names including 'content_of_soil_layer' are used."}}, "Lmon": {"mrso": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "the mass per unit area  (summed over all soil layers) of water in all phases."}}}, "surface_snow_amount": {"day": {"snw": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The mass of surface snow on the land portion of the grid cell divided by the land area in the grid cell; reported as missing where the land fraction is 0; excludes snow on vegetation canopy or on sea ice."}}, "6hrPlevPt": {"snw": {"cell_methods": "area: mean where land time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "The mass of surface snow on the land portion of the grid cell divided by the land area in the grid cell; reported as missing where the land fraction is 0; excludes snow on vegetation canopy or on sea ice."}}, "LImon": {"snw": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The mass of surface snow on the land portion of the grid cell divided by the land area in the grid cell; reported as missing where the land fraction is 0; excludes snow on vegetation canopy or on sea ice."}}}, "downward_sea_ice_basal_salt_flux": {"SImon": {"sfdsi": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This field is physical, and it arises since sea ice has a nonzero salt content, so it exchanges salt with the liquid ocean upon melting and freezing."}}, "Omon": {"sfdsi": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This field is physical, and it arises since sea ice has a nonzero salt content, so it exchanges salt with the liquid ocean upon melting and freezing."}}, "Odec": {"sfdsi": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This field is physical, and it arises since sea ice has a nonzero salt content, so it exchanges salt with the liquid ocean upon melting and freezing."}}}, "age_of_sea_ice": {"SImon": {"siage": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Age of sea ice"}}}, "sea_ice_area_transport_across_line": {"SImon": {"siareaacrossline": {"cell_methods": "time: mean", "cell_measures": "", "dimensions": "siline time", "comment": "net (sum of transport in all directions) sea ice area transport through the following four passages, positive into the Arctic Ocean 1. Fram Strait = (11.5W,81.3N to (10.5E,79.6N) 2. Canadian Archipelago = (128.2W,70.6N) to (59.3W,82.1N) 3. Barents opening = (16.8E,76.5N) to (19.2E,70.2N) 4. Bering Strait = (171W,66.2N) to (166W,65N)"}}}, "sea_ice_area": {"SImon": {"siarean": {"cell_methods": "area: time: mean", "cell_measures": "", "dimensions": "time", "comment": "total area of sea ice in the Northern hemisphere"}, "siareas": {"cell_methods": "area: time: mean", "cell_measures": "", "dimensions": "time", "comment": "total area of sea ice in the Southern hemisphere"}}}, "compressive_strength_of_sea_ice": {"SImon": {"sicompstren": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Computed strength of the ice pack, defined as the energy (J m-2) dissipated per unit area removed from the ice pack under compression, and assumed proportional to the change in potential energy caused by ridging. For Hibler-type models, this is P (= P*h exp(-C(1-A)) where P* is compressive strength, h ice thickness, A compactness and C strength reduction constant)."}}}, "tendency_of_sea_ice_area_fraction_due_to_dynamics": {"SImon": {"sidconcdyn": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Total change in sea-ice area fraction through dynamics-related processes (advection, divergence...)"}}}, "tendency_of_sea_ice_area_fraction_due_to_thermodynamics": {"SImon": {"sidconcth": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Total change in sea-ice area fraction through thermodynamic processes"}}}, "divergence_of_sea_ice_velocity": {"SImon": {"sidivvel": {"cell_methods": "area: mean where sea_ice (comment: mask=siconc) time: point", "cell_measures": "area: areacello", "dimensions": "longitude latitude time1", "comment": "Divergence of sea-ice velocity field (first shear strain invariant)"}}}, "tendency_of_sea_ice_amount_due_to_sea_ice_dynamics": {"SImon": {"sidmassdyn": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Total change in sea-ice mass through dynamics-related processes (advection,...) divided by grid-cell area"}}}, "tendency_of_sea_ice_amount_due_to_congelation_ice_accumulation": {"SImon": {"sidmassgrowthbot": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "The rate of change of sea ice mass due to vertical growth of existing sea ice at its base divided by grid-cell area."}}}, "tendency_of_sea_ice_amount_due_to_frazil_ice_accumulation_in_leads": {"SImon": {"sidmassgrowthwat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "The rate of change of sea ice mass due to sea ice formation in supercooled water (often through frazil formation) divided by grid-cell area. Together, sidmassgrowthwat and sidmassgrowthbot should give total ice growth"}}}, "tendency_of_sea_ice_amount_due_to_lateral_melting": {"SImon": {"sidmasslat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "The rate of change of sea ice mass through lateral melting divided by grid-cell area (report 0 if not explicitly calculated thermodynamically)"}}}, "tendency_of_sea_ice_amount_due_to_basal_melting": {"SImon": {"sidmassmeltbot": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "The rate of change of sea ice mass through melting at the ice bottom divided by grid-cell area"}}}, "tendency_of_sea_ice_amount_due_to_surface_melting": {"SImon": {"sidmassmelttop": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "The rate of change of sea ice mass through melting at the ice surface divided by grid-cell area"}}}, "tendency_of_sea_ice_amount_due_to_conversion_of_snow_to_sea_ice": {"SImon": {"sidmasssi": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "The rate of change of sea ice mass due to transformation of snow to sea ice divided by grid-cell area"}}}, "tendency_of_sea_ice_amount_due_to_sea_ice_thermodynamics": {"SImon": {"sidmassth": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Total change in sea-ice mass from thermodynamic processes divided by grid-cell area"}}}, "sea_ice_x_transport": {"SImon": {"sidmasstranx": {"cell_methods": "time: mean", "cell_measures": "--MODEL", "dimensions": "longitude latitude time", "comment": "Includes transport of both sea ice and snow by advection"}}}, "sea_ice_y_transport": {"SImon": {"sidmasstrany": {"cell_methods": "time: mean", "cell_measures": "--MODEL", "dimensions": "longitude latitude time", "comment": "Includes transport of both sea ice and snow by advection"}}}, "sea_ice_basal_drag_coefficient_for_momentum_in_sea_water": {"SImon": {"sidragbot": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Oceanic drag coefficient that is used to calculate the oceanic momentum drag on sea ice"}}}, "surface_drag_coefficient_for_momentum_in_air": {"SImon": {"sidragtop": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Atmospheric drag coefficient that is used to calculate the atmospheric momentum drag on sea ice"}}}, "sea_ice_extent": {"SImon": {"siextentn": {"cell_methods": "area: time: mean", "cell_measures": "", "dimensions": "time", "comment": "Total area of all Northern-Hemisphere grid cells that are covered by at least 15 % areal fraction of sea ice"}, "siextents": {"cell_methods": "area: time: mean", "cell_measures": "", "dimensions": "time", "comment": "Total area of all Southern-Hemisphere grid cells that are covered by at least 15 % areal fraction of sea ice"}}}, "sea_ice_freeboard": {"SImon": {"sifb": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Mean height of sea-ice surface (=snow-ice interface when snow covered) above sea level"}}}, "basal_downward_heat_flux_in_sea_ice": {"SImon": {"siflcondbot": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "the net heat conduction flux at the ice base"}}}, "surface_downward_sensible_heat_flux": {"SImon": {"siflcondtop": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "the net heat conduction flux at the ice surface"}}, "Omon": {"hfsso": {"cell_methods": "area: mean where ice_free_sea over sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Downward sensible heat flux over sea ice free sea. The surface sensible heat flux, also called turbulent heat flux, is the exchange of heat between the surface and the air by motion of air."}}}, "water_flux_into_sea_water_due_to_sea_ice_thermodynamics": {"SImon": {"siflfwbot": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Total flux of fresh water from water into sea ice divided by grid-cell area; This flux is negative during ice growth (liquid water mass decreases, hence upward flux of freshwater), positive during ice melt (liquid water mass increases, hence downward flux of freshwater)"}}, "Omon": {"fsitherm": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "computed as the sea ice thermodynamic water flux into the ocean divided by the area of the ocean portion of the grid cell."}}}, "water_flux_into_sea_water_due_to_surface_drainage": {"SImon": {"siflfwdrain": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Total flux of fresh water from sea-ice surface into underlying ocean. This combines both surface melt water that drains directly into the ocean and the drainage of surface melt pond. By definition, this flux is always positive."}}}, "upward_sea_ice_basal_heat_flux": {"SImon": {"siflsensupbot": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "the net sensible heat flux under sea ice from the ocean"}}}, "downwelling_shortwave_flux_in_sea_water_at_sea_ice_base": {"SImon": {"siflswdbot": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "The downwelling shortwave flux underneath sea ice (always positive)"}}}, "sea_ice_x_force_per_unit_area_due_to_coriolis_effect": {"SImon": {"siforcecoriolx": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "--MODEL", "dimensions": "longitude latitude time", "comment": "X-component of force on sea ice caused by coriolis force"}}}, "sea_ice_y_force_per_unit_area_due_to_coriolis_effect": {"SImon": {"siforcecorioly": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "--MODEL", "dimensions": "longitude latitude time", "comment": "Y-component of force on sea ice caused by coriolis force"}}}, "sea_ice_x_internal_stress": {"SImon": {"siforceintstrx": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "--MODEL", "dimensions": "longitude latitude time", "comment": "X-component of force on sea ice caused by internal stress (divergence of sigma)"}}}, "sea_ice_y_internal_stress": {"SImon": {"siforceintstry": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "--MODEL", "dimensions": "longitude latitude time", "comment": "Y-component of force on sea ice caused by internal stress (divergence of sigma)"}}}, "sea_ice_x_force_per_unit_area_due_to_sea_surface_tilt": {"SImon": {"siforcetiltx": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "--MODEL", "dimensions": "longitude latitude time", "comment": "X-component of force on sea ice caused by sea-surface tilt"}}}, "sea_ice_y_force_per_unit_area_due_to_sea_surface_tilt": {"SImon": {"siforcetilty": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "--MODEL", "dimensions": "longitude latitude time", "comment": "Y-component of force on sea ice caused by sea-surface tilt"}}}, "sea_ice_temperature_expressed_as_heat_content": {"SImon": {"sihc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Heat content of all ice in grid cell divided by total grid-cell area. Water at 0 Celsius is assumed to have a heat content of 0 J.  Does not include heat content of snow, but does include heat content of brine. Heat content is always negative, since both the sensible and the latent heat content of ice are less than that of water"}}}, "sea_ice_amount": {"SImon": {"simass": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Total mass of sea ice divided by grid-cell area"}}}, "sea_ice_transport_across_line": {"SImon": {"simassacrossline": {"cell_methods": "time: mean", "cell_measures": "", "dimensions": "siline time", "comment": "net (sum of transport in all directions) sea ice area transport through the following four passages, positive into the Arctic Ocean 1. Fram Strait = (11.5W,81.3N to (10.5E,79.6N) 2. Canadian Archipelago = (128.2W,70.6N) to (59.3W,82.1N) 3. Barents opening = (16.8E,76.5N) to (19.2E,70.2N) 4. Bering Strait = (171W,66.2N) to (166W,65N)"}}}, "sea_ice_melt_pond_thickness": {"SImon": {"simpmass": {"cell_methods": "area: time: mean where sea_ice_melt_pond (comment: mask=simpconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Meltpond Depth"}}}, "thickness_of_ice_on_sea_ice_melt_pond": {"SImon": {"simprefrozen": {"cell_methods": "area: time: mean where sea_ice_melt_pond (comment: mask=simpconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Volume of refrozen ice on melt ponds divided by meltpond covered area"}}}, "sea_ice_salinity": {"SImon": {"sisali": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Mean sea-ice salinity of all sea ice in grid cell"}}}, "sea_ice_mass_content_of_salt": {"SImon": {"sisaltmass": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Total mass of all salt in sea ice divided by grid-cell area"}}}, "maximum_over_coordinate_rotation_of_sea_ice_horizontal_shear_strain_rate": {"SImon": {"sishevel": {"cell_methods": "area: mean where sea_ice (comment: mask=siconc) time: point", "cell_measures": "area: areacello", "dimensions": "longitude latitude time1", "comment": "Maximum shear of sea-ice velocity field (second shear strain invariant)"}}}, "thermal_energy_content_of_surface_snow": {"SImon": {"sisnhc": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Heat-content of all snow in grid cell divided by total grid-cell area. Snow-water equivalent at 0 Celsius is assumed to have a heat content of 0 J.  Does not include heat content of sea ice."}}}, "maximum_over_coordinate_rotation_of_sea_ice_horizontal_shear_stress": {"SImon": {"sistremax": {"cell_methods": "area: mean where sea_ice (comment: mask=siconc) time: point", "cell_measures": "area: areacello", "dimensions": "longitude latitude time1", "comment": "Maximum shear stress in sea ice (second stress invariant)"}}}, "sea_ice_average_normal_horizontal_stress": {"SImon": {"sistresave": {"cell_methods": "area: mean where sea_ice (comment: mask=siconc) time: point", "cell_measures": "area: areacello", "dimensions": "longitude latitude time1", "comment": "Average normal stress in sea ice (first stress invariant)"}}}, "surface_downward_x_stress": {"SImon": {"sistrxdtop": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "--MODEL", "dimensions": "longitude latitude time", "comment": "X-component of atmospheric stress on sea ice"}}}, "upward_x_stress_at_sea_ice_base": {"SImon": {"sistrxubot": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "X-component of ocean stress on sea ice"}}}, "surface_downward_y_stress": {"SImon": {"sistrydtop": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "--MODEL", "dimensions": "longitude latitude time", "comment": "Y-component of atmospheric stress on sea ice"}}}, "upward_y_stress_at_sea_ice_base": {"SImon": {"sistryubot": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Y-component of ocean stress on sea ice"}}}, "sea_ice_basal_temperature": {"SImon": {"sitempbot": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Report temperature at interface, NOT temperature within lowermost model layer"}}}, "sea_ice_volume": {"SImon": {"sivoln": {"cell_methods": "area: time: mean", "cell_measures": "", "dimensions": "time", "comment": "total volume of sea ice in the Northern hemisphere"}, "sivols": {"cell_methods": "area: time: mean", "cell_measures": "", "dimensions": "time", "comment": "total volume of sea ice in the Southern hemisphere"}}}, "tendency_of_surface_snow_amount_due_to_sea_ice_dynamics": {"SImon": {"sndmassdyn": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "The rate of change of snow mass through advection with sea ice divided by sea-ice area"}}}, "tendency_of_surface_snow_amount_due_to_conversion_of_snow_to_sea_ice": {"SImon": {"sndmasssi": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "the rate of change of snow mass due to transformation of snow to sea ice divided by sea-ice area"}}}, "tendency_of_surface_snow_amount_due_to_drifting_into_sea": {"SImon": {"sndmasswindrif": {"cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "the rate of change of snow mass through wind drift of snow (from sea-ice into the sea) divided by sea-ice area"}}}, "snow_transport_across_line_due_to_sea_ice_dynamics": {"SImon": {"snmassacrossline": {"cell_methods": "time: mean", "cell_measures": "", "dimensions": "siline time", "comment": "net (sum of transport in all directions) sea ice area transport through the following four passages, positive into the Arctic Ocean 1. Fram Strait = (11.5W,81.3N to (10.5E,79.6N) 2. Canadian Archipelago = (128.2W,70.6N) to (59.3W,82.1N) 3. Barents opening = (16.8E,76.5N) to (19.2E,70.2N) 4. Bering Strait = (171W,66.2N) to (166W,65N)"}}}, "mass_content_of_13C_in_vegetation_and_litter_and_soil_and_forestry_and_agricultural_products": {"Emon": {"c13Land": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon-13 mass content per unit area in vegetation (any living plants e.g. trees, shrubs, grass), litter (dead plant material in or above the soil), soil, and forestry and agricultural products (e.g. paper, cardboard, furniture, timber for construction, biofuels and food for both humans and livestock)."}}}, "litter_mass_content_of_13C": {"Emon": {"c13Litter": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon-13 mass content per unit area litter (dead plant material in or above the soil)."}}}, "soil_mass_content_of_13C": {"Emon": {"c13Soil": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon-13 mass content per unit area in soil."}}}, "vegetation_mass_content_of_13C": {"Emon": {"c13Veg": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon-13 mass content per unit area in vegetation (any living plants e.g. trees, shrubs, grass)."}}}, "mass_content_of_14C_in_vegetation_and_litter_and_soil_and_forestry_and_agricultural_products": {"Emon": {"c14Land": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon-14 mass content per unit area in vegetation (any living plants e.g. trees, shrubs, grass), litter (dead plant material in or above the soil), soil, and forestry and agricultural products (e.g. paper, cardboard, furniture, timber for construction, biofuels and food for both humans and livestock)."}}}, "litter_mass_content_of_14C": {"Emon": {"c14Litter": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon-14 mass content per unit area litter (dead plant material in or above the soil)."}}}, "soil_mass_content_of_14C": {"Emon": {"c14Soil": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon-14 mass content per unit area in soil."}}}, "vegetation_mass_content_of_14C": {"Emon": {"c14Veg": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon-14 mass content per unit area in vegetation (any living plants e.g. trees, shrubs, grass)."}}}, "mass_content_of_carbon_in_vegetation_and_litter_and_soil_and_forestry_and_agricultural_products": {"Emon": {"cLand": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction."}}}, "wood_debris_mass_content_of_carbon": {"Emon": {"cLitterCwd": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Content' indicates a quantity per unit area. 'Wood debris' means dead organic matter composed of coarse wood. It is distinct from fine litter. The precise distinction between 'fine' and 'coarse' is model dependent."}}, "Lmon": {"cCwd": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass per unit area in woody debris (dead organic matter composed of coarse wood.  It is distinct from litter)"}}}, "subsurface_litter_mass_content_of_carbon": {"Emon": {"cLitterSubSurf": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "subsurface litter pool fed by root inputs."}}, "Lmon": {"cLitterBelow": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Litter' is dead plant material in or above the soil. It is distinct from coarse wood debris. The precise distinction between 'fine' and 'coarse' is model dependent. 'subsurface litter' means the part of the litter mixed within the soil below the surface. 'Content' indicates a quantity per unit area. The sum of the quantities with standard names surface_litter_mass_content_of_carbon and subsurface_litter_mass_content_of_carbon has the standard name litter_mass_content_of_carbon."}}}, "surface_litter_mass_content_of_carbon": {"Emon": {"cLitterSurf": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface or near-surface litter pool fed by leaf and above-ground litterfall"}}, "Lmon": {"cLitterAbove": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Litter' is dead plant material in or above the soil. It is distinct from coarse wood debris. The precise distinction between 'fine' and 'coarse' is model dependent. 'Surface litter' means the part of the litter resting above the soil surface. 'Content' indicates a quantity per unit area. The sum of the quantities with standard names surface_litter_mass_content_of_carbon and subsurface_litter_mass_content_of_carbon has the standard name litter_mass_content_of_carbon."}}}, "miscellaneous_living_matter_mass_content_of_carbon": {"Emon": {"cMisc": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "e.g., labile, fruits, reserves, etc."}, "cOther": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "E.g. fruits, seeds, etc."}}}, "stem_mass_content_of_carbon": {"Emon": {"cStem": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "including sapwood and hardwood."}, "cWood": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass per unit area in wood, including sapwood and hardwood."}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_fires": {"Emon": {"cTotFireLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "Different from LMON this flux should include all fires occurring on the land use tile, including natural, man-made and deforestation fires"}, "fFireAll": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "From all sources,  Including natural, anthropogenic and Land-use change. Only total fire emissions can be compared to observations."}}}, "ice_cloud_area_fraction_in_atmosphere_layer": {"Emon": {"clcalipsoice": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alt40 time", "comment": "Percentage cloud cover in CALIPSO standard atmospheric layers."}}}, "liquid_water_cloud_area_fraction_in_atmosphere_layer": {"Emon": {"clcalipsoliq": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alt40 time", "comment": "Percentage liquid water ice cloud cover in CALIPSO standard atmospheric layers."}}}, "cloud_ice_mixing_ratio": {"Emon": {"cldicemxrat27": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time", "comment": "Cloud ice mixing ratio"}}, "6hrPlevPt": {"cldicemxrat27": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time1", "comment": "Cloud ice mixing ratio"}}}, "number_concentration_of_cloud_liquid_water_particles_in_air_at_liquid_water_cloud_top": {"Emon": {"cldncl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Droplets are liquid only.  Report concentration 'as seen from space' over liquid cloudy portion of grid cell.  This is the value from uppermost model layer with liquid cloud or, if available, it is better to sum over all liquid cloud tops, no matter where they occur, as long as they are seen from the top of the atmosphere. Weight by total liquid cloud top fraction of  (as seen from TOA) each time sample when computing monthly mean."}}}, "cloud_liquid_water_mixing_ratio": {"Emon": {"cldwatmxrat27": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time", "comment": "Cloud water mixing ratio"}}, "6hrPlevPt": {"cldwatmxrat27": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time1", "comment": "Cloud water mixing ratio"}}}, "ice_cloud_area_fraction": {"Emon": {"climodis": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total ice cloud area fraction (reported as a percentage) for the whole atmospheric column, as seen by the  Moderate Resolution Imaging Spectroradiometer (MODIS). "}}}, "liquid_water_cloud_area_fraction": {"Emon": {"clwmodis": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Mass of cloud liquid water, as seen by the  Moderate Resolution Imaging Spectroradiometer (MODIS). Includes both large-scale and convective cloud."}}}, "mass_fraction_of_carbon_dioxide_tracer_in_air": {"Emon": {"co23D": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "report 3D field of model simulated atmospheric CO2 mass mixing ration on model levels"}}}, "number_concentration_of_coarse_mode_ambient_aerosol_particles_in_air": {"Emon": {"conccmcn": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "includes all particles with diameter larger than 1 micron"}}}, "number_concentration_of_ambient_aerosol_particles_in_air": {"Emon": {"conccn": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "'Number concentration' means the number of particles or other specified objects per unit volume. 'Aerosol' means the system of suspended liquid or solid particles in air (except cloud droplets) and their carrier gas, the air itself. 'Ambient_aerosol' means that the aerosol is measured or modelled at the ambient state of pressure, temperature and relative humidity that exists in its immediate environment. 'Ambient aerosol particles' are aerosol particles that have taken up ambient water through hygroscopic growth. The extent of hygroscopic growth depends on the relative humidity and the composition of the particles."}}}, "mass_concentration_of_dust_dry_aerosol_particles_in_air": {"Emon": {"concdust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mass concentration means mass per unit volume and is used in the construction mass_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. 'Aerosol' means the system of suspended liquid or solid particles in air (except cloud droplets) and their carrier gas, the air itself. Aerosol particles take up ambient water (a process known as hygroscopic growth) depending on the relative humidity and the composition of the particles. 'Dry aerosol particles' means aerosol particles without any water uptake."}, "sconcdust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "mass concentration of dust dry aerosol in air in model lowest layer"}}}, "number_concentration_of_nucleation_mode_ambient_aerosol_particles_in_air": {"Emon": {"concnmcn": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "includes all particles with diameter smaller than 3 nm"}}}, "minus_tendency_of_atmosphere_mass_content_of_dust_dry_aerosol_particles_due_to_deposition": {"Emon": {"depdust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Fdry mass deposition rate of dust"}}}, "tendency_of_eastward_wind_due_to_numerical_artefacts": {"Emon": {"diabdrag": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Other sub-grid scale/numerical zonal drag excluding that already provided for the parameterized orographic and non-orographic gravity waves. This would be used to calculate the total 'diabatic drag'. Contributions to this additional drag such Rayleigh friction and diffusion that can be calculated from the monthly mean wind fields should not be included, but details (e.g. coefficients) of the friction and/or diffusion used in the model should be provided separately."}}}, "volume_extinction_coefficient_in_air_due_to_ambient_aerosol_particles": {"Emon": {"ec550aer": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time lambda550nm", "comment": "Aerosol volume extinction coefficient at 550nm wavelength."}}, "6hrLev": {"ec550aer": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1 lambda550nm", "comment": "Aerosol volume extinction coefficient at 550nm wavelength."}}}, "tendency_of_soil_and_vegetation_mass_content_of_nitrogen_compounds_expressed_as_nitrogen_due_to_fixation": {"Emon": {"fBNF": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The fixation (uptake of nitrogen gas directly from the atmosphere) of nitrogen due to biological processes."}}}, "mass_flux_of_carbon_into_sea_water_from_rivers": {"Emon": {"fCLandToOcean": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacellr", "dimensions": "longitude latitude time", "comment": "leached carbon etc that goes into run off or river routing and finds its way into ocean should be reported here."}}}, "surface_net_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_anthropogenic_land_use_change": {"Emon": {"fDeforestToAtmos": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "When land use change results in deforestation of natural vegetation (trees or grasslands) then natural biomass is removed. The treatment of deforested biomass differs significantly across models, but it should be straight-forward to compare deforested biomass across models."}, "fLuc": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass flux per unit area into atmosphere due to human changes to land (excluding forest regrowth) accounting possibly for different time-scales related to fate of the wood, for example."}}}, "carbon_mass_flux_into_forestry_and_agricultural_products_due_to_anthropogenic_land_use_or_land_cover_change": {"Emon": {"fDeforestToProduct": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "When land use change results in deforestation of natural vegetation (trees or grasslands) then natural biomass is removed. The treatment of deforested biomass differs significantly across models, but it should be straight-forward to compare deforested biomass across models."}, "fLulccProductLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "This annual mean flux refers to the transfer of carbon primarily through harvesting land use into anthropogenic product pools, e.g.,deforestation or wood harvesting from primary or secondary lands, food harvesting on croplands, harvesting (grazing) by animals on pastures."}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_natural_fires": {"Emon": {"fFireNat": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "CO2 emissions from natural fires"}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_crop_harvesting": {"Emon": {"fHarvestToAtmos": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "any harvested carbon that is assumed to decompose immediately into the atmosphere is reported here"}}, "Lmon": {"fHarvest": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass flux per unit area due to crop harvesting"}}}, "mass_flux_of_carbon_into_forestry_and_agricultural_products_due_to_crop_harvesting": {"Emon": {"fHarvestToProduct": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "be it food or wood harvest, any carbon that is subsequently stored is reported here"}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_litter_in_fires": {"Emon": {"fLitterFire": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Required for unambiguous separation of vegetation and soil + litter turnover times, since total fire flux draws from both sources"}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_anthropogenic_land_use_or_land_cover_change_excluding_forestry_and_agricultural_products": {"Emon": {"fLulccAtmLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "This annual mean flux refers to the transfer of carbon directly to the atmosphere due to any land-use or land-cover change activities.  Include carbon transferred due to deforestation or agricultural directly into atmosphere, and  emissions form anthropogenic pools into atmosphere"}}}, "carbon_mass_flux_into_litter_and_soil_due_to_anthropogenic_land_use_or_land_cover_change": {"Emon": {"fLulccResidueLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "This annual mean flux refers to the transfer of carbon into soil or litter pools due to any land use or land-cover change activities"}}}, "surface_upward_mass_flux_of_nitrous_oxide_expressed_as_nitrogen_out_of_vegetation_and_litter_and_soil": {"Emon": {"fN2O": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface upward flux of nitrous oxide (N2O) from vegetation (any living plants e.g. trees, shrubs, grass), litter (dead plant material in or above the soil), soil."}}}, "tendency_of_atmosphere_mass_content_of_nitrogen_compounds_expressed_as_nitrogen_due_to_anthropogenic_emission": {"Emon": {"fNAnthDisturb": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "will require some careful definition to make sure we capture everything - any human activity that releases nitrogen from land  instead of into product pool goes here. E.g. Deforestation fire, harvest assumed to decompose straight away, grazing..."}}}, "mass_flux_of_nitrogen_compounds_expressed_as_nitrogen_into_sea_from_rivers": {"Emon": {"fNLandToOcean": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "leached nitrogen etc that goes into run off or river routing and finds its way into ocean should be reported here."}}}, "nitrogen_mass_flux_into_soil_from_litter": {"Emon": {"fNLitterSoil": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics. 'Litter' is dead plant material in or above the soil."}}}, "surface_upward_mass_flux_of_nox_expressed_as_nitrogen_out_of_vegetation_and_litter_and_soil": {"Emon": {"fNOx": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'Upward' indicates a vector component which is positive when directed upward (negative downward). In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics. The phrase 'expressed_as' is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. 'Nox' means a combination of two radical species containing nitrogen and oxygen NO+NO2. 'Vegetation' means any living plants e.g. trees, shrubs, grass. 'Litter' is dead plant material in or above the soil."}}}, "nitrogen_mass_flux_into_forestry_and_agricultural_products_due_to_anthropogenic_land_use_or_land_cover_change": {"Emon": {"fNProduct": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "When land use change results in deforestation of natural vegetation (trees or grasslands) then natural biomass is removed. The treatment of deforested biomass differs significantly across models, but it should be straight-forward to compare deforested biomass across models."}}}, "nitrogen_mass_flux_into_litter_from_vegetation": {"Emon": {"fNVegLitter": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics. 'Litter' is dead plant material in or above the soil. 'Vegetation' means any living plants e.g. trees, shrubs, grass."}}}, "nitrogen_mass_flux_into_soil_from_vegetation_excluding_litter": {"Emon": {"fNVegSoil": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "In some models part of nitrogen (e.g., root exudate) can go directly into the soil pool without entering litter."}}}, "minus_tendency_of_atmosphere_mass_content_of_nitrogen_compounds_expressed_as_nitrogen_due_to_deposition": {"Emon": {"fNdep": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface deposition rate of nitrogen."}}}, "tendency_of_soil_mass_content_of_nitrogen_compounds_expressed_as_nitrogen_due_to_fertilization": {"Emon": {"fNfert": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total Nitrogen added for cropland fertilisation (artificial and manure). Relative to total land area of a grid cell, not relative to agricultural area"}}}, "surface_upward_mass_flux_of_nitrogen_compounds_expressed_as_nitrogen": {"Emon": {"fNgas": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total flux of Nitrogen from the land into the atmosphere."}}}, "surface_upward_mass_flux_of_nitrogen_compounds_expressed_as_nitrogen_due_to_emission_from_fires": {"Emon": {"fNgasFire": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Flux of Nitrogen from the land into the atmosphere due to fire"}}}, "surface_upward_mass_flux_of_nitrogen_compounds_expressed_as_nitrogen_due_to_all_land_processes_excluding_fires": {"Emon": {"fNgasNonFire": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Flux of Nitrogen from the land into the atmosphere due to all processes other than fire"}}}, "mass_flux_of_carbon_out_of_soil_due_to_leaching_and_runoff": {"Emon": {"fNleach": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics. The specification of a physical process by the phrase 'due_to_' process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. 'Leaching' means the loss of water soluble chemical species from soil. Runoff is the liquid water which drains from land. If not specified, 'runoff' refers to the sum of surface runoff and subsurface drainage."}}}, "surface_upward_mass_flux_of_nitrogen_compounds_expressed_as_nitrogen_out_of_vegetation_and_litter_and_soil": {"Emon": {"fNloss": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Not all models split losses into gaseous and leaching"}}}, "mass_flux_of_nitrogen_compounds_expressed_as_nitrogen_out_of_litter_and_soil_due_to_immobilisation_and_remineralization": {"Emon": {"fNnetmin": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Loss of soil nitrogen through remineralization and immobilisation. Remineralization is the degradation of organic matter into inorganic forms of carbon, nitrogen, phosphorus and other micronutrients, which consumes oxygen and releases energy. Immobilisation of nitrogen refers to retention of nitrogen by micro-organisms under certain conditions, making it unavailable for plants."}}}, "tendency_of_vegetation_mass_content_of_nitrogen_compounds_expressed_as_nitrogen_due_to_fixation": {"Emon": {"fNup": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The uptake of nitrogen by fixation: nitrogen fixation means the uptake of nitrogen gas directly from the atmosphere. "}}}, "tendency_of_atmosphere_mass_content_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_forestry_and_agricultural_products": {"Emon": {"fProductDecomp": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Flux of CO2 from product pools into the atmosphere. Examples of 'forestry and agricultural products' are paper, cardboard, furniture, timber for construction, biofuels and food for both humans and livestock. Models that simulate land use changes have one or more pools of carbon that represent these products in order to conserve carbon and allow its eventual release into the atmosphere, for example, when the products decompose in landfill sites."}, "fProductDecompLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "Flux of CO2 from product pools into the atmosphere. Examples of 'forestry and agricultural products' are paper, cardboard, furniture, timber for construction, biofuels and food for both humans and livestock. Models that simulate land use changes have one or more pools of carbon that represent these products in order to conserve carbon and allow its eventual release into the atmosphere, for example, when the products decompose in landfill sites. Produce this variable i  a model has explicit anthropogenic product pools by land use tile"}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_vegetation_in_fires": {"Emon": {"fVegFire": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Required for unambiguous separation of vegetation and soil + litter turnover times, since total fire flux draws from both sources"}}}, "mass_flux_of_carbon_into_litter_from_vegetation_due_to_mortality": {"Emon": {"fVegLitterMortality": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "needed to separate changing vegetation C turnover times resulting from changing allocation versus changing mortality"}}}, "mass_flux_of_carbon_into_litter_from_vegetation_due_to_senescence": {"Emon": {"fVegLitterSenescence": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "needed to separate changing vegetation C turnover times resulting from changing allocation versus changing mortality"}}}, "mass_flux_of_carbon_into_soil_from_vegetation_due_to_mortality": {"Emon": {"fVegSoilMortality": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "needed to separate changing vegetation C turnover times resulting from changing allocation versus changing mortality"}}}, "mass_flux_of_carbon_into_soil_from_vegetation_due_to_senescence": {"Emon": {"fVegSoilSenescence": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "needed to separate changing vegetation C turnover times resulting from changing allocation versus changing mortality"}}}, "surface_upward_heat_flux_due_to_anthropogenic_energy_consumption": {"Emon": {"fahLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "Anthropogenic heat flux generated from non-renewable human primary energy consumption, including energy use by vehicles, commercial and residential buildings, industry, and power plants.  Primary energy refers to energy in natural resources, fossil and nonfossil, before conversion into other forms, such as electricity."}}}, "water_flux_into_sea_water_from_land_ice": {"Emon": {"flandice": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Computed as the water flux into the ocean due to land ice (runoff water from surface and base of land ice or melt from base of ice shelf or vertical ice front) into the ocean divided by the area ocean portion of the grid cell"}}}, "frequency_of_lightning_flashes_per_unit_area": {"Emon": {"flashrate": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "proposed name: lightning_flash_rate (units to be interpreted as 'counts km-2 s-1)"}}}, "gross_primary_productivity_of_biomass_expressed_as_13C": {"Emon": {"gppc13": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The rate of synthesis of carbon-13 in biomass from inorganic precursors by autotrophs ('producers') expressed as the mass of carbon which it contains. For example, photosynthesis in plants or phytoplankton. The producers also respire some of this biomass and the difference is referred to as the net primary production. "}}}, "gross_primary_productivity_of_biomass_expressed_as_14C": {"Emon": {"gppc14": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The rate of synthesis of carbon-14 in biomass from inorganic precursors by autotrophs ('producers') expressed as the mass of carbon which it contains. For example, photosynthesis in plants or phytoplankton. The producers also respire some of this biomass and the difference is referred to as the net primary production. "}}}, "mass_fraction_of_graupel_in_air": {"Emon": {"grplmxrat27": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time", "comment": "Graupel mixing ratio"}}, "6hrPlevPt": {"grplmxrat27": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time1", "comment": "Graupel mixing ratio"}}}, "eastward_atmosphere_dry_static_energy_transport_across_unit_distance": {"Emon": {"intuadse": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Vertically integrated eastward dry static energy transport (cp.T +zg).v (Mass_weighted_vertical integral of the product of eastward wind by dry static_energy per mass unit)"}}}, "eastward_atmosphere_water_transport_across_unit_distance": {"Emon": {"intuaw": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Vertically integrated Eastward moisture transport (Mass weighted vertical integral of the product of eastward wind by total water mass per unit mass)"}}}, "northward_atmosphere_dry_static_energy_transport_across_unit_distance": {"Emon": {"intvadse": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Vertically integrated northward dry static energy transport (cp.T +zg).v (Mass_weighted_vertical integral of the product of northward wind by dry static_energy per mass unit)"}}}, "northward_atmosphere_water_transport_across_unit_distance": {"Emon": {"intvaw": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Vertically integrated Northward moisture transport (Mass_weighted_vertical integral of the product of northward wind by total water mass per unit mass)"}}}, "surface_downward_mass_flux_of_water_due_to_irrigation": {"Emon": {"irrLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "Mass flux of water due to irrigation."}}}, "surface_net_downward_longwave_dust_ambient_aerosol_particles_direct_radiative_effect": {"Emon": {"lwsrfasdust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The direct radiative effect refers to the instantaneous radiative impact on the Earth's energy balance, excluding secondary effects such as changes in cloud cover."}}}, "surface_net_downward_longwave_dust_ambient_aerosol_particles_direct_radiative_effect_assuming_clear_sky": {"Emon": {"lwsrfcsdust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The direct radiative effect refers to the instantaneous radiative impact on the Earth's energy balance, excluding secondary effects such as changes in cloud cover. Calculating in clear-sky conditions."}}}, "toa_instantaneous_longwave_forcing": {"Emon": {"lwtoaasdust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Instantaneous forcing is the radiative flux change caused instantaneously by an imposed change in radiative forcing agent (greenhouse gases, aerosol, solar radiation, etc.)."}, "lwtoacsaer": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Instantaneous forcing is the radiative flux change caused instantaneously by an imposed change in radiative forcing agent (greenhouse gases, aerosol, solar radiation, etc.)."}}}, "toa_longwave_dust_ambient_aerosol_particles_direct_radiative_effect_assuming_clear_sky": {"Emon": {"lwtoacsdust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The direct radiative effect refers to the instantaneous radiative impact on the Earth's energy balance, excluding secondary effects such as changes in cloud cover."}}}, "tendency_of_atmosphere_mass_content_of_dust_dry_aerosol_particles_due_to_emission": {"Emon": {"md": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Emission from a primary source located anywhere within the atmosphere, including at the lower boundary (i.e. the surface of the earth). "}}, "AERmon": {"emidust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Integrate 3D emission field vertically to 2d field."}}}, "mass_fraction_of_nitrate_dry_aerosol_particles_in_air": {"Emon": {"mmrno3": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Dry mass fraction of nitrate aerosol particles in air."}}, "AERmon": {"mmrno3": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Dry mass fraction of nitrate aerosol particles in air."}}}, "mass_content_of_nitrogen_in_vegetation_and_litter_and_soil_and_forestry_and_agricultural_products": {"Emon": {"nLand": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction."}}}, "leaf_mass_content_of_nitrogen": {"Emon": {"nLeaf": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Content' indicates a quantity per unit area."}}}, "litter_mass_content_of_nitrogen": {"Emon": {"nLitter": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction."}}}, "wood_debris_mass_content_of_nitrogen": {"Emon": {"nLitterCwd": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Content' indicates a quantity per unit area. 'Wood debris' means dead organic matter composed of coarse wood. It is distinct from fine litter. The precise distinction between 'fine' and 'coarse' is model dependent. The sum of the quantities with standard names wood_debris_mass_content_of_nitrogen, surface_litter_mass_content_of_nitrogen and subsurface_litter_mass_content_of_nitrogen is the total nitrogen mass content of dead plant material."}}}, "subsurface_litter_mass_content_of_nitrogen": {"Emon": {"nLitterSubSurf": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Content' indicates a quantity per unit area. 'Litter' is dead plant material in or above the soil. It is distinct from coarse wood debris. The precise distinction between 'fine' and 'coarse' is model dependent. 'Subsurface litter' means the part of the litter mixed within the soil below the surface. The sum of the quantities with standard names wood_debris_mass_content_of_nitrogen, surface_litter_mass_content_of_nitrogen and subsurface_litter_mass_content_of_nitrogen is the total nitrogen mass content of dead plant material."}}}, "surface_litter_mass_content_of_nitrogen": {"Emon": {"nLitterSurf": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Content' indicates a quantity per unit area. 'Litter' is dead plant material in or above the soil. It is distinct from coarse wood debris. The precise distinction between 'fine' and 'coarse' is model dependent. 'Surface litter' means the part of the litter resting above the soil surface. The sum of the quantities with standard names wood_debris_mass_content_of_nitrogen, surface_litter_mass_content_of_nitrogen and subsurface_litter_mass_content_of_nitrogen is the total nitrogen mass content of dead plant material."}}}, "soil_mass_content_of_inorganic_nitrogen_expressed_as_nitrogen": {"Emon": {"nMineral": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "SUM of ammonium, nitrite, nitrate, etc over all soil layers"}}}, "soil_mass_content_of_inorganic_ammonium_expressed_as_nitrogen": {"Emon": {"nMineralNH4": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "SUM of ammonium over all soil layers"}}}, "soil_mass_content_of_inorganic_nitrate_expressed_as_nitrogen": {"Emon": {"nMineralNO3": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "SUM of nitrate over all soil layers"}}}, "miscellaneous_living_matter_mass_content_of_nitrogen": {"Emon": {"nOther": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "E.g. fruits, seeds, etc."}}}, "nitrogen_mass_content_of_forestry_and_agricultural_products": {"Emon": {"nProduct": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction."}}}, "root_mass_content_of_nitrogen": {"Emon": {"nRoot": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "including fine and coarse roots."}}}, "soil_mass_content_of_nitrogen": {"Emon": {"nSoil": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction."}}}, "stem_mass_content_of_nitrogen": {"Emon": {"nStem": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "including sapwood and hardwood."}}}, "vegetation_mass_content_of_nitrogen": {"Emon": {"nVeg": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction."}}}, "surface_net_downward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_all_land_processes": {"Emon": {"necbLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "Computed as npp minus heterotrophic respiration minus fire minus C leaching minus harvesting/clearing. Positive rate is into the land, negative rate is from the land.  Do not include fluxes from anthropogenic product pools to atmosphere"}, "netAtmosLandCO2Flux": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Flux of carbon as carbon dioxide into the land. This flux should be reproducible by differencing the sum of all carbon pools (cVeg, cLitter, cSoil, and cProducts or equivalently cLand) from one time step to the next, except in the case of lateral transfer of carbon due to harvest, riverine transport of dissolved organic and/or inorganic carbon, or any other process (in which case the lateral_carbon_transfer_over_land term, see below, will be zero data)."}}, "Lmon": {"nbp": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "This is the net mass flux of carbon from atmosphere into land, calculated as photosynthesis MINUS the sum of  plant and soil respiration, carbon fluxes from fire, harvest, grazing  and land use change. Positive flux is into the land."}}}, "surface_net_downward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_all_land_processes_excluding_anthropogenic_land_use_change": {"Emon": {"nep": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Natural flux of CO2 (expressed as a mass flux of carbon) from the atmosphere to the land calculated as the difference between uptake associated will photosynthesis and the release of CO2 from the sum of plant and soil respiration and fire.  Positive flux is into the land.  Emissions from natural fires and human ignition fires as calculated by the fire module of the dynamic vegetation model, but excluding any CO2 flux from fire included in fLuc (CO2 Flux to Atmosphere from Land Use Change)."}}}, "surface_net_downward_mass_flux_of_carbon_dioxide_expressed_as_13C_due_to_all_land_processes": {"Emon": {"netAtmosLandC13Flux": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Flux of carbon 31as carbon dioxide into the land. This flux should be reproducible by differencing the sum of all carbon pools (cVeg, cLitter, cSoil, and cProducts or equivalently cLand) from one time step to the next, except in the case of lateral transfer of carbon due to harvest, riverine transport of dissolved organic and/or inorganic carbon, or any other process (in which case the lateral_carbon_transfer_over_land term, see below, will be zero data).-"}}}, "surface_net_downward_mass_flux_of_carbon_dioxide_expressed_as_14C_due_to_all_land_processes": {"Emon": {"netAtmosLandC14Flux": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Flux of carbon-14 as carbon dioxide into the land. This flux should be reproducible by differencing the sum of all carbon pools (cVeg, cLitter, cSoil, and cProducts or equivalently cLand) from one time step to the next, except in the case of lateral transfer of carbon due to harvest, riverine transport of dissolved organic and/or inorganic carbon, or any other process (in which case the lateral_carbon_transfer_over_land term, see below, will be zero data)."}}}, "net_primary_productivity_of_biomass_expressed_as_carbon": {"Emon": {"nppGrass": {"cell_methods": "area: time: mean where natural_grasses (comment: mask=grassFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total NPP of grass in the grid cell"}, "nppLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "'Production of carbon' means the production of biomass expressed as the mass of carbon which it contains. Net primary production is the excess of gross primary production (rate of synthesis of biomass from inorganic precursors) by autotrophs ('producers'), for example, photosynthesis in plants or phytoplankton, over the rate at which the autotrophs themselves respire some of this biomass. 'Productivity' means production per unit area. The phrase 'expressed_as' is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A."}, "nppShrub": {"cell_methods": "area: time: mean where shrubs (comment: mask=shrubFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total NPP of shrubs in the grid cell"}, "nppTree": {"cell_methods": "area: time: mean where trees (comment: mask=treeFrac)", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total NPP of trees in the grid cell"}}, "Lmon": {"npp": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "'Production of carbon' means the production of biomass expressed as the mass of carbon which it contains. Net primary production is the excess of gross primary production (rate of synthesis of biomass from inorganic precursors) by autotrophs ('producers'), for example, photosynthesis in plants or phytoplankton, over the rate at which the autotrophs themselves respire some of this biomass. 'Productivity' means production per unit area. The phrase 'expressed_as' is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A."}}}, "net_primary_productivity_of_biomass_expressed_as_carbon_accumulated_in_miscellaneous_living_matter": {"Emon": {"nppOther": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "added for completeness with npp_root"}}}, "net_primary_productivity_of_biomass_expressed_as_carbon_accumulated_in_stems": {"Emon": {"nppStem": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "added for completeness with npp_root"}}}, "atmosphere_optical_thickness_due_to_dust_ambient_aerosol_particles": {"Emon": {"od443dust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total aerosol AOD due to dust aerosol at a wavelength of 443 nanometres."}, "od865dust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total aerosol AOD due to dust aerosol at a wavelength of 865 nanometres."}}, "AERmon": {"od550dust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time lambda550nm", "comment": "Total aerosol AOD due to dust aerosol at a wavelength of 550 nanometres."}}}, "stratosphere_optical_thickness_due_to_ambient_aerosol_particles": {"Emon": {"od550aerso": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time lambda550nm", "comment": "From tropopause to stratopause as defined by the model"}}}, "stratosphere_optical_thickness_due_to_sulfate_ambient_aerosol_particles": {"Emon": {"od550so4so": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time lambda550nm", "comment": "Stratospheric aerosol AOD due to sulfate aerosol at a wavelength of 550 nanometres."}}}, "sea_water_added_conservative_temperature": {"Emon": {"pabigthetao": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "A passive tracer in an ocean model whose surface flux does not come from the atmosphere but is imposed externally upon the simulated climate system. The surface flux is expressed as a heat flux and converted to a passive tracer increment as if it were a heat flux being added to conservative temperature. The passive tracer is transported within the ocean as if it were conservative temperature. The passive tracer is zero in the control climate of the model. "}}}, "sea_water_added_potential_temperature": {"Emon": {"pathetao": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "The quantity with standard name sea_water_added_potential_temperature is a passive tracer in an ocean model whose surface flux does not come from the atmosphere but is imposed externally upon the simulated climate system. The surface flux is expressed as a heat flux and converted to a passive tracer increment as if it were a heat flux being added to potential temperature. The passive tracer is transported within the ocean as if it were potential temperature. The passive tracer is zero in the control climate of the model. The passive tracer records added heat, as described for the CMIP6 FAFMIP experiment (doi:10.5194/gmd-9-3993-2016), following earlier ideas. Potential temperature is the temperature a parcel of air or sea water would have if moved adiabatically to sea level pressure."}}}, "precipitation_flux_containing_17O": {"Emon": {"pr17O": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Precipitation mass flux of water molecules that contain the oxygen-17 isotope (H2 17O), including solid and liquid phases."}}}, "precipitation_flux_containing_18O": {"Emon": {"pr18O": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Precipitation mass flux of water molecules that contain the oxygen-18 isotope (H2 18O), including solid and liquid phases."}}}, "precipitation_flux_containing_single_2H": {"Emon": {"pr2h": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Precipitation mass flux of water molecules that contain one atom of the hydrogen-2 isotope (1H 2H O), including solid and liquid phases."}}}, "sea_water_redistributed_conservative_temperature": {"Emon": {"prbigthetao": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "A passive tracer in an ocean model which is subject to an externally imposed perturbative surface heat flux. The passive tracer is initialised to the conservative temperature in the control climate before the perturbation is imposed. Its surface flux is the heat flux from the atmosphere, not including the imposed perturbation, and is converted to a passive tracer increment as if it were being added to conservative temperature. The passive tracer is transported within the ocean as if it were conservative temperature. "}}}, "solid_precipitation_flux_containing_17O": {"Emon": {"prsn17O": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Precipitation mass flux of water molecules that contain the oxygen-17 isotope (H2 17O), including solid phase only."}}}, "solid_precipitation_flux_containing_18O": {"Emon": {"prsn18O": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Precipitation mass flux of water molecules that contain the oxygen-18 isotope (H2 18O), including solid phase only."}}}, "solid_precipitation_flux_containing_single_2H": {"Emon": {"prsn2h": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Precipitation mass flux of water molecules that contain one atom of the hydrogen-2 isotope (1H 2H O), including solid phase only."}}}, "sea_water_redistributed_potential_temperature": {"Emon": {"prthetao": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "A passive tracer in an ocean model which is subject to an externally imposed perturbative surface heat flux. The passive tracer is initialised to the potential temperature in the control climate before the perturbation is imposed. Its surface flux is the heat flux from the atmosphere, not including the imposed perturbation, and is converted to a passive tracer increment as if it were being added to potential temperature. The passive tracer is transported within the ocean as if it were potential temperature. "}}}, "mass_content_of_water_vapor_containing_17O_in_atmosphere_layer": {"Emon": {"prw17O": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Water vapor path for water molecules that contain oxygen-17 (H2 17O)"}}}, "mass_content_of_water_vapor_containing_18O_in_atmosphere_layer": {"Emon": {"prw18O": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Water vapor path for water molecules that contain oxygen-18 (H2 18O)"}}}, "mass_content_of_water_vapor_containing_single_2H_in_atmosphere_layer": {"Emon": {"prw2H": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Water vapor path for water molecules that contain one atom of the hydrogen-2 isotope (1H 2H O)"}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_plant_respiration_in_leaves": {"Emon": {"raLeaf": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "added for completeness with Ra_root"}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_plant_respiration_in_miscellaneous_living_matter": {"Emon": {"raOther": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "added for completeness with Ra_root"}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_plant_respiration_in_roots": {"Emon": {"raRoot": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Total autotrophic respiration from all belowground plant parts.  This has benchmarking value because the sum of Rh and root respiration can be compared to observations of total soil respiration."}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_plant_respiration_in_stems": {"Emon": {"raStem": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "added for completeness with Ra_root"}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_13C_due_to_plant_respiration": {"Emon": {"rac13": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Flux of carbon-13 into the atmosphere due to plant respiration. Plant respiration is the sum of respiration by parts of plants both above and below the soil. It is assumed that all the respired carbon dioxide is emitted to the atmosphere. "}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_14C_due_to_plant_respiration": {"Emon": {"rac14": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Flux of carbon-14 into the atmosphere due to plant respiration. Plant respiration is the sum of respiration by parts of plants both above and below the soil. It is assumed that all the respired carbon dioxide is emitted to the atmosphere. "}}}, "mass_fraction_of_liquid_precipitation_in_air": {"Emon": {"rainmxrat27": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time", "comment": "Rain mixing ratio"}}, "6hrPlevPt": {"rainmxrat27": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time1", "comment": "Rain mixing ratio"}}}, "surface_upward_mass_flux_of_carbon_due_to_heterotrophic_respiration_in_litter": {"Emon": {"rhLitter": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Needed to calculate litter bulk turnover time. Includes respiration from CWD as well."}}}, "surface_upward_mass_flux_of_carbon_due_to_heterotrophic_respiration_in_soil": {"Emon": {"rhSoil": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Needed to calculate soil bulk turnover time"}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_13C_due_to_heterotrophic_respiration": {"Emon": {"rhc13": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Heterotrophic respiration is respiration by heterotrophs ('consumers'), which are organisms (including animals and decomposers) that consume other organisms or dead organic material, rather than synthesising organic material from inorganic precursors using energy from the environment (especially sunlight) as autotrophs ('producers') do. Heterotrophic respiration goes on within both the soil and litter pools."}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_14C_due_to_heterotrophic_respiration": {"Emon": {"rhc14": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Heterotrophic respiration is respiration by heterotrophs ('consumers'), which are organisms (including animals and decomposers) that consume other organisms or dead organic material, rather than synthesising organic material from inorganic precursors using energy from the environment (especially sunlight) as autotrophs ('producers') do. Heterotrophic respiration goes on within both the soil and litter pools."}}}, "mass_concentration_of_sulfate_dry_aerosol_particles_in_air": {"Emon": {"sconcso4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "mass concentration of sulfate dry aerosol in air in model lowest layer."}}}, "mass_concentration_of_sea_salt_dry_aerosol_particles_in_air": {"Emon": {"sconcss": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "mass concentration of sea-salt dry aerosol in air in model lowest layer"}}}, "minus_tendency_of_atmosphere_mass_content_of_insoluble_dust_dry_aerosol_particles_due_to_deposition": {"Emon": {"sedustCI": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Dry mass deposition rate of dust aerosol."}}}, "mass_fraction_of_snow_in_air": {"Emon": {"snowmxrat27": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time", "comment": "Snow mixing ratio"}}, "6hrPlevPt": {"snowmxrat27": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev27 time1", "comment": "Snow mixing ratio"}}}, "isotope_ratio_of_17O_to_16O_in_sea_water_excluding_solutes_and_solids": {"Emon": {"sw17O": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Ratio of abundance of oxygen-17 (17O) atoms to oxygen-16 (16O) atoms in sea water"}}}, "isotope_ratio_of_18O_to_16O_in_sea_water_excluding_solutes_and_solids": {"Emon": {"sw18O": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Ratio of abundance of oxygen-18 (18O) atoms to oxygen-16 (16O) atoms in sea water"}}}, "isotope_ratio_of_2H_to_1H_in_sea_water_excluding_solutes_and_solids": {"Emon": {"sw2H": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Ratio of abundance of hydrogen-2 (2H) atoms to hydrogen-1 (1H) atoms in sea water"}}}, "lwe_thickness_of_surface_snow_amount": {"Emon": {"sweLut": {"cell_methods": "area: time: mean where sector", "cell_measures": "area: areacella", "dimensions": "longitude latitude landUse time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'lwe' means liquid water equivalent. 'Amount' means mass per unit area. The construction lwe_thickness_of_X_amount or _content means the vertical extent of a layer of liquid water having the same mass per unit area. Surface amount refers to the amount on the ground, excluding that on the plant or vegetation canopy."}}}, "surface_net_downward_shortwave_dust_ambient_aerosol_particles_direct_radiative_effect": {"Emon": {"swsrfasdust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The direct radiative effect refers to the instantaneous radiative impact on the Earth's energy balance, excluding secondary effects such as changes in cloud cover."}}}, "surface_net_downward_shortwave_dust_ambient_aerosol_particles_direct_radiative_effect_assuming_clear_sky": {"Emon": {"swsrfcsdust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The direct radiative effect refers to the instantaneous radiative impact on the Earth's energy balance, excluding secondary effects such as changes in cloud cover. Calculated in clear-sky conditions."}}}, "toa_instantaneous_shortwave_forcing": {"Emon": {"swtoaasdust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Instantaneous forcing is the radiative flux change caused instantaneously by an imposed change in radiative forcing agent (greenhouse gases, aerosol, solar radiation, etc.)."}, "swtoacsdust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Instantaneous forcing is the radiative flux change caused instantaneously by an imposed change in radiative forcing agent (greenhouse gases, aerosol, solar radiation, etc.)."}}}, "square_of_air_temperature": {"Emon": {"t2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Air temperature squared"}}}, "soil_pool_carbon_decay_rate": {"Emon": {"tSoilPools": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude soilpools time", "comment": "defined as 1/(turnover time) for each soil pool. Use the same pools reported under cSoilPools"}}}, "sea_water_potential_temperature": {"Emon": {"thetaot": {"cell_methods": "area: depth: time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertical average of the sea water potential temperature through the whole ocean depth"}, "thetaot2000": {"cell_methods": "area: depth: time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth2000m", "comment": "Upper 2000m, 2D field"}, "thetaot300": {"cell_methods": "area: depth: time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth300m", "comment": "Upper 300m, 2D field"}, "thetaot700": {"cell_methods": "area: depth: time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth700m", "comment": "Upper 700m, 2D field"}}, "Omon": {"thetao": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Diagnostic should be contributed even for models using conservative temperature as prognostic field."}, "thetaoga": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "", "dimensions": "time", "comment": "Diagnostic should be contributed even for models using conservative temperature as prognostic field"}}, "Odec": {"thetao": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Diagnostic should be contributed even for models using conservative temperature as prognostic field."}, "thetaoga": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "", "dimensions": "time", "comment": "Diagnostic should be contributed even for models using conservative temperature as prognostic field"}}}, "product_of_lagrangian_tendency_of_air_pressure_and_air_temperature": {"Emon": {"twap": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Product of air temperature and pressure tendency"}}}, "square_of_eastward_wind": {"Emon": {"u2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "u*u"}}}, "integral_wrt_height_of_product_of_eastward_wind_and_specific_humidity": {"Emon": {"uqint": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Column integrated eastward wind times specific humidity"}}}, "product_of_eastward_wind_and_air_temperature": {"Emon": {"ut": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Product of air temperature and eastward wind"}}}, "product_of_eastward_wind_and_northward_wind": {"Emon": {"uv": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "u*v"}}}, "product_of_eastward_wind_and_lagrangian_tendency_of_air_pressure": {"Emon": {"uwap": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "u*omega"}}}, "square_of_northward_wind": {"Emon": {"v2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "v*v"}}}, "integral_wrt_height_of_product_of_northward_wind_and_specific_humidity": {"Emon": {"vqint": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Column integrated northward wind times specific humidity"}}}, "product_of_northward_wind_and_air_temperature": {"Emon": {"vt": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Product of air temperature and northward wind"}}}, "tendency_of_northward_wind_due_to_orographic_gravity_wave_drag": {"Emon": {"vtendogw": {"cell_methods": "time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev19 time", "comment": "Tendency of the northward wind by parameterized orographic gravity waves.  (Note that CF name tables only have a general northward tendency for all gravity waves, and we need it separated by type.)"}}}, "product_of_northward_wind_and_lagrangian_tendency_of_air_pressure": {"Emon": {"vwap": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "v*omega"}}}, "square_of_lagrangian_tendency_of_air_pressure": {"Emon": {"wap2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "omega*omega"}}}, "surface_net_upward_mass_flux_of_methane_due_to_emission_from_wetland_biological_processes": {"Emon": {"wetlandCH4": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Net upward flux of methane (NH4) from wetlands (areas where water covers the soil, or is present either at or near the surface of the soil all year or for varying periods of time during the year, including during the growing season). "}}}, "surface_downward_mass_flux_of_methane_due_to_wetland_biological_consumption": {"Emon": {"wetlandCH4cons": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Biological consumption (methanotrophy) of methane (NH4) by wetlands (areas where water covers the soil, or is present either at or near the surface of the soil all year or for varying periods of time during the year, including during the growing season). "}}}, "surface_upward_mass_flux_of_methane_due_to_emission_from_wetland_biological_production": {"Emon": {"wetlandCH4prod": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Biological emissions (methanogenesis) of methane (NH4) from wetlands (areas where water covers the soil, or is present either at or near the surface of the soil all year or for varying periods of time during the year, including during the growing season). "}}}, "surface_downwelling_longwave_flux_in_air_due_to_volcanic_ambient_aerosol_particles": {"6hrPlevPt": {"lwsffluxaero": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "downwelling longwave  flux  due to volcanic aerosols at the surface to be diagnosed through double radiation call"}}}, "toa_outgoing_longwave_flux_due_to_volcanic_ambient_aerosol_particles_assuming_clear_sky": {"6hrPlevPt": {"lwtoafluxaerocs": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "downwelling longwave flux due to volcanic aerosols at TOA under clear sky to be diagnosed through double radiation call"}}}, "surface_downwelling_shortwave_flux_in_air_due_to_volcanic_ambient_aerosol_particles": {"6hrPlevPt": {"swsffluxaero": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Shortwave heating rate due to volcanic aerosols to be diagnosed through double radiation call"}}}, "toa_outgoing_shortwave_flux_due_to_volcanic_ambient_aerosol_particles_assuming_clear_sky": {"6hrPlevPt": {"swtoafluxaerocs": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude time1", "comment": "Downwelling shortwave flux due to volcanic aerosols at TOA under clear sky to be diagnosed through double radiation call"}}}, "wet_bulb_potential_temperature": {"6hrPlevPt": {"wbptemp7h": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude plev7h time1", "comment": "Wet bulb potential temperature"}}}, "leaf_mass_content_of_carbon": {"Lmon": {"cLeaf": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass per unit area in leaves."}}}, "fast_soil_pool_mass_content_of_carbon": {"Lmon": {"cSoilFast": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass per unit area in fast soil pool. Fast means a lifetime of less than 10 years for reference climate conditions (20th century) in the absence of water limitations."}}}, "medium_soil_pool_mass_content_of_carbon": {"Lmon": {"cSoilMedium": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass per unit area in medium (rate) soil pool. Medium means a lifetime of more than than 10 years and less than 100 years for reference climate conditions (20th century) in the absence of water limitations."}}}, "slow_soil_pool_mass_content_of_carbon": {"Lmon": {"cSoilSlow": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass per unit area in slow soil pool. Slow means a lifetime of more than 100 years for reference climate (20th century) in the absence of water limitations."}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_fires_excluding_anthropogenic_land_use_change": {"Lmon": {"fFire": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "CO2 emissions (expressed as a carbon mass flux per unit area) from natural fires and human ignition fires as calculated by the fire module of the dynamic vegetation model, but excluding any CO2 flux from fire included in fLuc (CO2 Flux to Atmosphere from Land Use Change)."}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_grazing": {"Lmon": {"fGrazing": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass flux per unit area due to grazing on land"}}}, "carbon_mass_flux_into_soil_from_litter": {"Lmon": {"fLitterSoil": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass flux per unit area into soil from litter (dead plant material in or above the soil)."}}}, "mass_flux_of_carbon_into_litter_from_vegetation": {"Lmon": {"fVegLitter": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics. 'Vegetation' means any living plants e.g. trees, shrubs, grass. 'Litter' is dead plant material in or above the soil. It is distinct from coarse wood debris. The precise distinction between 'fine' and 'coarse' is model dependent. The sum of the quantities with standard names mass_flux_of_carbon_into_litter_from_vegetation_due_to_mortality and mass_flux_of_carbon_into_litter_from_vegetation_due_to_senescence is mass_flux_of_carbon_into_litter_from_vegetation."}}}, "carbon_mass_flux_into_soil_from_vegetation_excluding_litter": {"Lmon": {"fVegSoil": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Carbon mass flux per unit area from vegetation directly into soil, without intermediate conversion to litter."}}}, "soil_frozen_water_content": {"Lmon": {"mrfso": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The mass per unit area (summed over all model layers) of frozen water."}}}, "net_primary_productivity_of_biomass_expressed_as_carbon_accumulated_in_leaves": {"Lmon": {"nppLeaf": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "This is the rate of carbon uptake by leaves due to NPP"}}}, "net_primary_productivity_of_biomass_expressed_as_carbon_accumulated_in_roots": {"Lmon": {"nppRoot": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "This is the rate of carbon uptake by roots due to NPP"}}}, "net_primary_productivity_of_biomass_expressed_as_carbon_accumulated_in_wood": {"Lmon": {"nppWood": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "This is the rate of carbon uptake by wood due to NPP"}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_plant_respiration_for_biomass_growth": {"Lmon": {"rGrowth": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Growth respiration is defined as the additional carbon cost for the synthesis of new growth."}}}, "surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_plant_respiration_for_biomass_maintenance": {"Lmon": {"rMaint": {"cell_methods": "area: mean where land time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Maintenance respiration is defined as the carbon cost to support the metabolic activity of existing live tissue."}}}, "atmosphere_net_upward_deep_convective_mass_flux": {"CFmon": {"dmc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "The net mass flux  represents the difference between the updraft and downdraft components.   This is calculated as the convective mass flux divided by the area of the whole grid cell (not just the area of the cloud)."}}}, "atmosphere_heat_diffusivity": {"CFmon": {"edt": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Vertical diffusion coefficient for temperature due to parametrised eddies"}}, "CFsubhr": {"edt": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Vertical diffusion coefficient for temperature due to parametrised eddies"}}}, "atmosphere_momentum_diffusivity": {"CFmon": {"evu": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Vertical diffusion coefficient for momentum due to parametrised eddies"}}, "CFsubhr": {"evu": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Vertical diffusion coefficient for momentum due to parametrised eddies"}}}, "atmosphere_downdraft_convective_mass_flux": {"CFmon": {"mcd": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Calculated as the convective mass flux divided by the area of the whole grid cell (not just the area of the cloud)."}}}, "atmosphere_updraft_convective_mass_flux": {"CFmon": {"mcu": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics. The atmosphere convective mass flux is the vertical transport of mass for a field of cumulus clouds or thermals, given by the product of air density and vertical velocity. For an area-average, cell_methods should specify whether the average is over all the area or the area of updrafts only."}}}, "downwelling_longwave_flux_in_air_assuming_clear_sky": {"CFmon": {"rldcs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Downwelling clear-sky longwave radiation (includes the fluxes at the surface and TOA)"}, "rldcs4co2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Downwelling clear-sky longwave radiation calculated using carbon dioxide concentrations increased fourfold (includes the fluxes at the surface and TOA)"}}, "CFsubhr": {"rldcs": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevhalf site time1", "comment": "Downwelling clear-sky longwave radiation (includes the fluxes at the surface and TOA)"}}}, "upwelling_longwave_flux_in_air_assuming_clear_sky": {"CFmon": {"rlucs": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Upwelling clear-sky longwave radiation  (includes the fluxes at the surface and TOA)"}, "rlucs4co2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "Upwelling clear-sky longwave radiation calculated using carbon dioxide concentrations increased fourfold (includes the fluxes at the surface and TOA)"}}, "CFsubhr": {"rlucs": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevhalf site time1", "comment": "Upwelling clear-sky longwave radiation  (includes the fluxes at the surface and TOA)"}}}, "atmosphere_net_upward_shallow_convective_mass_flux": {"CFmon": {"smc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevhalf time", "comment": "The net mass flux represents the difference between the updraft and downdraft components.  For models with a distinct shallow convection scheme, this is calculated as convective mass flux divided by the area of the whole grid cell (not just the area of the cloud)."}}}, "tendency_of_specific_humidity_due_to_advection": {"CFmon": {"tnhusa": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Tendency of Specific Humidity due to Advection"}}, "CFsubhr": {"tnhusa": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Tendency of Specific Humidity due to Advection"}}}, "tendency_of_specific_humidity_due_to_convection": {"CFmon": {"tnhusc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Tendencies from cumulus convection scheme."}}, "CFsubhr": {"tnhusc": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Tendencies from cumulus convection scheme."}}}, "tendency_of_specific_humidity_due_to_diffusion": {"CFmon": {"tnhusd": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Tendency of specific humidity due to numerical diffusion.This includes any horizontal or vertical numerical moisture diffusion not associated with the parametrized moist physics or the resolved dynamics.  For example, any vertical diffusion which is part of the boundary layer mixing scheme should be excluded, as should any diffusion which is included in the terms from the resolved dynamics.   This term is required to check the closure of the moisture budget."}}, "CFsubhr": {"tnhusd": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Tendency of specific humidity due to numerical diffusion.This includes any horizontal or vertical numerical moisture diffusion not associated with the parametrized moist physics or the resolved dynamics.  For example, any vertical diffusion which is part of the boundary layer mixing scheme should be excluded, as should any diffusion which is included in the terms from the resolved dynamics.   This term is required to check the closure of the moisture budget."}}}, "tendency_of_specific_humidity_due_to_model_physics": {"CFmon": {"tnhusmp": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Tendency of specific humidity due to model physics. This includes sources and sinks from parametrized moist physics (e.g. convection, boundary layer, stratiform condensation/evaporation, etc.) and excludes sources and sinks from resolved dynamics or from horizontal or vertical numerical diffusion not associated with model physics.  For example any diffusive mixing by the boundary layer scheme would be included."}}, "CFsubhr": {"tnhusmp": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Tendency of specific humidity due to model physics. This includes sources and sinks from parametrized moist physics (e.g. convection, boundary layer, stratiform condensation/evaporation, etc.) and excludes sources and sinks from resolved dynamics or from horizontal or vertical numerical diffusion not associated with model physics.  For example any diffusive mixing by the boundary layer scheme would be included."}}}, "tendency_of_specific_humidity_due_to_stratiform_cloud_and_precipitation_and_boundary_layer_mixing": {"CFmon": {"tnhusscpbl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Tendency of Specific Humidity Due to Stratiform Cloud and Precipitation and Boundary Layer Mixing  (to be specified only in  models which do not separate budget terms for stratiform cloud, precipitation and boundary layer schemes.  Includes all boundary layer terms including and diffusive terms.)"}}, "CFsubhr": {"tnhusscpbl": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Tendency of Specific Humidity Due to Stratiform Cloud and Precipitation and Boundary Layer Mixing  (to be specified only in  models which do not separate budget terms for stratiform cloud, precipitation and boundary layer schemes.  Includes all boundary layer terms including and diffusive terms.)"}}}, "tendency_of_air_temperature_due_to_advection": {"CFmon": {"tnta": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Tendency of Air Temperature due to Advection"}}, "CFsubhr": {"tnta": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Tendency of Air Temperature due to Advection"}}}, "tendency_of_air_temperature_due_to_stratiform_cloud_and_precipitation_and_boundary_layer_mixing": {"CFmon": {"tntscpbl": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Tendency of Air Temperature Due to Stratiform Cloud and Precipitation and Boundary Layer Mixing (to be specified only in  models which do not separate cloud, precipitation and boundary layer terms.  Includes all boundary layer terms including diffusive ones.)"}}, "CFsubhr": {"tntscpbl": {"cell_methods": "area: point time: point", "cell_measures": "", "dimensions": "alevel site time1", "comment": "Tendency of Air Temperature Due to Stratiform Cloud and Precipitation and Boundary Layer Mixing (to be specified only in  models which do not separate cloud, precipitation and boundary layer terms.  Includes all boundary layer terms including diffusive ones.)"}}}, "atmosphere_mass_of_air_per_unit_area": {"AERmon": {"airmass": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "The mass of air in an atmospheric layer."}}}, "tracer_lifetime": {"AERmon": {"aoanh": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Fixed surface layer mixing ratio over 30o-50oN (0 ppbv), uniform fixed source (at all levels) everywhere else (source is unspecified but must be constant in space and time and documented). Note that the source could be 1yr/yr, so the tracer concentration provides mean age in years. For method using linearly increasing tracer include a method attribute: 'linearly increasing tracer'For method using uniform source (1yr/yr) include a method attribute: 'uniform source'"}}}, "mole_fraction_of_ethyne_in_air": {"AERmon": {"c2h2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}}, "mole_fraction_of_ethane_in_air": {"AERmon": {"c2h6": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}}, "mole_fraction_of_propene_in_air": {"AERmon": {"c3h6": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}}, "mole_fraction_of_propane_in_air": {"AERmon": {"c3h8": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}}, "number_concentration_of_cloud_condensation_nuclei_at_stp_in_air": {"AERmon": {"ccn": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "proposed name: number_concentration_of_ambient_aerosol_in_air_at_liquid_water_cloud_top"}}}, "number_concentration_of_cloud_liquid_water_particles_in_air": {"AERmon": {"cdnc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Cloud Droplet Number Concentration in liquid water clouds."}}}, "mole_fraction_of_acetone_in_air": {"AERmon": {"ch3coch3": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction 'mole_fraction_of_X_in_Y', where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. Acetone is an organic molecule with the chemical formula CH3CH3CO. The IUPAC name for acetone is propan-2-one. Acetone is a member of the group of organic compounds known as ketones. There are standard names for the ketone group as well as for some of the individual species."}}}, "tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_particles_due_to_aqueous_phase_net_chemical_production": {"AERmon": {"cheaqpso4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "proposed name: tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_due_to_aqueous_phase_net_chemical_production"}}}, "tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_particles_due_to_gaseous_phase_net_chemical_production": {"AERmon": {"chegpso4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "proposed name: tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_due_to_gas_phase_net_chemical_production"}}}, "tendency_of_atmosphere_mass_content_of_secondary_particulate_organic_matter_dry_aerosol_particles_due_to_net_chemical_production": {"AERmon": {"chepasoa": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "anthropogenic part of chepsoa"}, "chepsoa": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "If model lumps secondary organic aerosol (SOA) emissions with primary organic aerosol (POA), then the sum of POA and SOA emissions is reported as OA emissions. Here, mass refers to the mass of primary organic matter, not mass of organic carbon alone."}}}, "mole_fraction_of_carbon_monoxide_in_air": {"AERmon": {"co": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}}, "mole_fraction_of_dimethyl_sulfide_in_air": {"AERmon": {"dms": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}}, "minus_tendency_of_atmosphere_mass_content_of_elemental_carbon_dry_aerosol_particles_due_to_dry_deposition": {"AERmon": {"drybc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Dry deposition includes gravitational settling and turbulent deposition."}}}, "minus_tendency_of_atmosphere_mass_content_of_dust_dry_aerosol_particles_due_to_dry_deposition": {"AERmon": {"drydust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Dry deposition includes gravitational settling and turbulent deposition."}}}, "minus_tendency_of_atmosphere_mass_content_of_ammonia_due_to_dry_deposition": {"AERmon": {"drynh3": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Dry Deposition includes gravitational settling and turbulent deposition"}}}, "minus_tendency_of_atmosphere_mass_content_of_ammonium_dry_aerosol_particles_due_to_dry_deposition": {"AERmon": {"drynh4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Dry Deposition includes gravitational settling and turbulent deposition"}}}, "minus_tendency_of_atmosphere_mass_content_of_noy_expressed_as_nitrogen_due_to_dry_deposition": {"AERmon": {"drynoy": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "NOy is the sum of all simulated oxidized nitrogen species out of NO, NO2, HNO3, HNO4, NO3 aerosol, NO3(radical), N2O5, PAN, other organic nitrates. Dry deposition includes gravitational settling and turbulent deposition."}}}, "minus_tendency_of_atmosphere_mass_content_of_ozone_due_to_dry_deposition": {"AERmon": {"dryo3": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Dry Deposition includes gravitational settling and turbulent deposition."}}}, "minus_tendency_of_atmosphere_mass_content_of_particulate_organic_matter_dry_aerosol_particles_due_to_dry_deposition": {"AERmon": {"dryoa": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Tendency of atmosphere mass content of organic dry aerosol due to dry deposition: This is the sum of dry deposition of primary organic aerosol (POA) and dry deposition of secondary organic aerosol (SOA). Here, mass refers to the mass of organic matter, not mass of organic carbon alone.  We recommend a scale factor of POM=1.4*OC, unless your model has more detailed info available. Was called dry_pom in old ACCMIP Excel table. Dry deposition includes gravitational settling and turbulent deposition."}}}, "minus_tendency_of_atmosphere_mass_content_of_sulfur_dioxide_due_to_dry_deposition": {"AERmon": {"dryso2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Dry Deposition includes gravitational settling and turbulent deposition"}}}, "minus_tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_particles_due_to_dry_deposition": {"AERmon": {"dryso4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Dry Deposition includes gravitational settling and turbulent deposition"}}}, "minus_tendency_of_atmosphere_mass_content_of_sea_salt_dry_aerosol_particles_due_to_dry_deposition": {"AERmon": {"dryss": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Dry deposition includes gravitational settling and turbulent deposition."}}}, "tendency_of_atmosphere_mass_content_of_carbon_monoxide_due_to_emission": {"AERmon": {"emiaco": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Anthropogenic  emission of CO."}, "emico": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Integrate 3D emission field vertically to 2d field."}}}, "tendency_of_atmosphere_mass_content_of_nox_expressed_as_nitrogen_due_to_emission": {"AERmon": {"emianox": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Store flux as Nitrogen. Anthropogenic fraction. NOx=NO+NO2, Includes agricultural waste burning but no other biomass burning. Integrate 3D emission field vertically to 2d field."}, "eminox": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "NOx=NO+NO2. Integrate 3D emission field vertically to 2d field."}}}, "tendency_of_atmosphere_mass_content_of_particulate_organic_matter_dry_aerosol_particles_due_to_net_chemical_production_and_emission": {"AERmon": {"emiaoa": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "anthropogenic part of emioa"}, "emioa": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "This is the sum of total emission of primary organic aerosol (POA) and total production of secondary organic aerosol (SOA) (emipoa+chepsoa). Here, mass refers to the mass of organic matter, not mass of organic carbon alone. We recommend a scale factor of POM=1.4*OC, unless your model has more detailed info available.  Integrate 3D chemical production and emission field vertically to 2d field."}}}, "tendency_of_atmosphere_mass_content_of_elemental_carbon_dry_aerosol_particles_due_to_emission": {"AERmon": {"emibc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Integrate 3D emission field vertically to 2d field."}}}, "tendency_of_atmosphere_mass_content_of_biogenic_nmvoc_expressed_as_carbon_due_to_emission": {"AERmon": {"emibvoc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Integrate 3D emission field vertically to 2d field._If_ fixed molecular weight of NMVOC is not available in model, please provide in units of kilomole m-2 s-1 (i.e. kg m-2 s-1 as if model NMVOC had molecular weight of 1) and add a comment to your file."}}}, "tendency_of_atmosphere_mass_content_of_dimethyl_sulfide_due_to_emission": {"AERmon": {"emidms": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Integrate 3D emission field vertically to 2d field."}}}, "tendency_of_atmosphere_mass_content_of_isoprene_due_to_emission": {"AERmon": {"emiisop": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Integrate 3D emission field vertically to 2d field"}}}, "tendency_of_atmosphere_moles_of_nox_expressed_as_nitrogen": {"AERmon": {"emilnox": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Integrate the NOx production for lightning over model layer. proposed name: tendency_of_atmosphere_mass_content_of_nox_from_lightning"}}}, "tendency_of_atmosphere_mass_content_of_ammonia_due_to_emission": {"AERmon": {"eminh3": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Integrate 3D emission field vertically to 2d field."}}}, "tendency_of_atmosphere_mass_content_of_sulfur_dioxide_due_to_emission": {"AERmon": {"emiso2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Integrate 3D emission field vertically to 2d field."}}}, "tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_particles_due_to_emission": {"AERmon": {"emiso4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Direct primary emission does not include secondary sulfate production. Integrate 3D emission field vertically to 2d field."}}}, "tendency_of_atmosphere_mass_content_of_sea_salt_dry_aerosol_particles_due_to_emission": {"AERmon": {"emiss": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Integrate 3D emission field vertically to 2d field."}}}, "tendency_of_atmosphere_mass_content_of_nmvoc_due_to_emission": {"AERmon": {"emivoc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Integrate 3D emission field vertically to 2d field. _If_ fixed molecular weight of NMVOC is not available in model, please provide in units of kilomole m-2 s-1 (i.e. kg m-2 s-1 as if model NMVOC had molecular weight of 1) and add a comment to your file."}}}, "mole_fraction_of_formaldehyde_in_air": {"AERmon": {"hcho": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}}, "mole_fraction_of_isoprene_in_air": {"AERmon": {"isop": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction of isoprene in air."}}}, "photolysis_rate_of_nitrogen_dioxide": {"AERmon": {"jno2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Photolysis rate of nitrogen dioxide (NO2)"}}}, "tendency_of_atmosphere_mole_concentration_of_methane_due_to_chemical_destruction": {"AERmon": {"lossch4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "monthly averaged atmospheric loss"}}}, "tendency_of_atmosphere_mole_concentration_of_carbon_monoxide_due_to_chemical_destruction": {"AERmon": {"lossco": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "monthly averaged atmospheric loss"}}}, "tendency_of_atmosphere_mole_concentration_of_nitrous_oxide_due_to_chemical_destruction": {"AERmon": {"lossn2o": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "monthly averaged atmospheric loss"}}}, "atmosphere_mass_content_of_cloud_liquid_water": {"AERmon": {"lwp": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "The total mass of liquid water in cloud per unit area."}}}, "mass_fraction_of_water_in_ambient_aerosol_particles_in_air": {"AERmon": {"mmraerh2o": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mass fraction is used in the construction mass_fraction_of_X_in_Y, where X is a material constituent of Y. It means the ratio of the mass of X to the mass of Y (including X). 'Aerosol' means the system of suspended liquid or solid particles in air (except cloud droplets) and their carrier gas, the air itself. 'Ambient_aerosol' means that the aerosol is measured or modelled at the ambient state of pressure, temperature and relative humidity that exists in its immediate environment. 'Ambient aerosol particles' are aerosol particles that have taken up ambient water through hygroscopic growth. The extent of hygroscopic growth depends on the relative humidity and the composition of the particles."}}}, "mass_fraction_of_elemental_carbon_dry_aerosol_particles_in_air": {"AERmon": {"mmrbc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Dry mass fraction of black carbon aerosol particles in air."}}}, "mass_fraction_of_dust_dry_aerosol_particles_in_air": {"AERmon": {"mmrdust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Dry mass fraction of dust aerosol particles in air."}}}, "mass_fraction_of_ammonium_dry_aerosol_particles_in_air": {"AERmon": {"mmrnh4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Dry mass fraction of ammonium aerosol particles in air."}}}, "mass_fraction_of_particulate_organic_matter_dry_aerosol_particles_in_air": {"AERmon": {"mmroa": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "We recommend a scale factor of POM=1.4*OC, unless your model has more detailed info available."}}}, "mass_fraction_of_pm1_dry_aerosol_particles_in_air": {"AERmon": {"mmrpm1": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mass fraction atmospheric particulate compounds with an aerodynamic diameter of less than or equal to 1 micrometers"}}}, "mass_fraction_of_pm10_ambient_aerosol_particles_in_air": {"AERmon": {"mmrpm10": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mass fraction atmospheric particulate compounds with an aerodynamic diameter of less than or equal to 10 micrometers"}}}, "mass_fraction_of_pm2p5_dry_aerosol_particles_in_air": {"AERmon": {"mmrpm2p5": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mass fraction atmospheric particulate compounds with an aerodynamic diameter of less than or equal to 2.5 micrometers"}}}, "mass_fraction_of_sulfate_dry_aerosol_particles_in_air": {"AERmon": {"mmrso4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Dry mass of sulfate (SO4) in aerosol particles as a fraction of air mass."}}}, "mass_fraction_of_secondary_particulate_organic_matter_dry_aerosol_particles_in_air": {"AERmon": {"mmrsoa": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mass fraction in the atmosphere of secondary organic aerosols (particulate organic matter formed within the atmosphere from gaseous precursors; dry mass)."}}}, "mass_fraction_of_sea_salt_dry_aerosol_particles_in_air": {"AERmon": {"mmrss": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mass fraction in the atmosphere of sea salt aerosol (dry mass)."}}}, "mole_fraction_of_artificial_tracer_with_fixed_lifetime_in_air": {"AERmon": {"nh50": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Fixed surface layer mixing ratio over 30o-50oN (100ppbv), uniform fixed 50-day exponential decay."}}}, "mole_fraction_of_nitrogen_monoxide_in_air": {"AERmon": {"no": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}}, "tendency_of_atmosphere_mole_concentration_of_ozone_due_to_chemical_destruction": {"AERmon": {"o3loss": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "ONLY provide the sum of the following reactions: (i) O(1D)+H2O; (ii) O3+HO2; (iii) O3+OH; (iv) O3+alkenes (isoprene, ethene,...)"}}}, "tendency_of_atmosphere_mole_concentration_of_ozone_due_to_chemical_production": {"AERmon": {"o3prod": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "ONLY provide the sum of all the HO2/RO2 + NO reactions (as k*[HO2]*[NO])"}}}, "atmosphere_optical_thickness_due_to_water_in_ambient_aerosol_particles": {"AERmon": {"od550aerh2o": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time lambda550nm", "comment": "proposed name: atmosphere_optical_thickness_due_to_water_ambient_aerosol"}}}, "atmosphere_optical_thickness_due_to_particulate_organic_matter_ambient_aerosol_particles": {"AERmon": {"od550bb": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time lambda550nm", "comment": "total organic aerosol AOD due to biomass burning (excluding so4, nitrate BB components)"}, "od550oa": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time lambda550nm", "comment": "Total aerosol AOD due to organic aerosol at a wavelength of 550 nanometres."}, "od550soa": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time lambda550nm", "comment": "Total organic aerosol AOD due to secondary aerosol  at a wavelength of 550 nanometres."}}}, "atmosphere_optical_thickness_due_to_black_carbon_ambient_aerosol": {"AERmon": {"od550bc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time lambda550nm", "comment": "Total aerosol AOD due to black carbon aerosol at a wavelength of 550 nanometres."}}}, "atmosphere_optical_thickness_due_to_pm1_ambient_aerosol_particles": {"AERmon": {"od550lt1aer": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time lambda550nm", "comment": "od550 due to particles with wet diameter less than 1 um  (ambient here means wetted). When models do not include explicit size information, it can be assumed that all anthropogenic aerosols and natural secondary aerosols have diameter less than 1 um."}}}, "atmosphere_optical_thickness_due_to_nitrate_ambient_aerosol_particles": {"AERmon": {"od550no3": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time lambda550nm", "comment": "Total aerosol AOD due to nitrate aerosol at a wavelength of 550 nanometres."}}}, "atmosphere_optical_thickness_due_to_sulfate_ambient_aerosol_particles": {"AERmon": {"od550so4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time lambda550nm", "comment": "Total aerosol AOD due to sulfate aerosol at a wavelength of 550 nanometres."}}}, "atmosphere_optical_thickness_due_to_sea_salt_ambient_aerosol_particles": {"AERmon": {"od550ss": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time lambda550nm", "comment": "Total aerosol AOD due to sea salt aerosol at a wavelength of 550 nanometres."}}}, "mole_fraction_of_peroxyacetyl_nitrate_in_air": {"AERmon": {"pan": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}}, "photolysis_rate_of_ozone_to_1D_oxygen_atom": {"AERmon": {"photo1d": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "proposed name: photolysis_rate_of_ozone_to_O1D"}}}, "integral_wrt_time_of_mole_stomatal_uptake_of_ozone": {"AERmon": {"pod0": {"cell_methods": "area: mean time: sum", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Accumulated stomatal ozone flux over the threshold of 0 mol m-2 s-1; Computation: Time Integral of (hourly above canopy ozone concentration * stomatal conductance * Rc/(Rb+Rc) )"}}}, "tropopause_air_pressure": {"AERmon": {"ptp": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "2D monthly mean thermal tropopause calculated using WMO tropopause definition on 3d temperature"}}}, "effective_radius_of_cloud_liquid_water_particles_at_liquid_water_cloud_top": {"AERmon": {"reffclwtop": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Droplets are liquid only.  This is the effective radius as seen from space over liquid cloudy portion of grid cell. This is the value from uppermost model layer with liquid cloud or, if available, or for some models it is the sum over all liquid cloud tops, no matter where they occur, as long as they are seen from the top of the atmosphere (TOA) each time sample when computing monthly mean. Reported values are weighted by total liquid cloud top fraction of  (as seen from TOA) each time sample when computing monthly mean."}}}, "mole_fraction_of_sulfur_dioxide_in_air": {"AERmon": {"so2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y."}}}, "tropopause_air_temperature": {"AERmon": {"tatp": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "2D monthly mean thermal tropopause calculated using WMO tropopause definition on 3d temperature"}}}, "air_temperature_at_cloud_top": {"AERmon": {"ttop": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "cloud_top refers to the top of the highest cloud. Air temperature is the bulk temperature of the air, not the surface (skin) temperature."}}}, "upward_air_velocity": {"AERmon": {"wa": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time", "comment": "A velocity is a vector quantity. 'Upward' indicates a vector component which is positive when directed upward (negative downward). Upward air velocity is the vertical component of the 3D air velocity vector. The standard name downward_air_velocity may be used for a vector component with the opposite sign convention."}}}, "minus_tendency_of_atmosphere_mass_content_of_elemental_carbon_dry_aerosol_particles_due_to_wet_deposition": {"AERmon": {"wetbc": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface deposition rate of black carbon (dry mass) due to wet processes"}}}, "minus_tendency_of_atmosphere_mass_content_of_dust_dry_aerosol_particles_due_to_wet_deposition": {"AERmon": {"wetdust": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface deposition rate of dust (dry mass) due to wet processes"}}}, "minus_tendency_of_atmosphere_mass_content_of_ammonia_due_to_wet_deposition": {"AERmon": {"wetnh3": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface deposition rate of ammonia (NH3) due to wet processes"}}}, "minus_tendency_of_atmosphere_mass_content_of_ammonium_dry_aerosol_particles_due_to_wet_deposition": {"AERmon": {"wetnh4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Surface deposition rate of ammonium (NH4) due to wet processes"}}}, "minus_tendency_of_atmosphere_mass_content_of_noy_expressed_as_nitrogen_due_to_wet_deposition": {"AERmon": {"wetnoy": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "NOy is the sum of all simulated oxidized nitrogen species, out of NO, NO2, HNO3, HNO4, NO3 aerosol, NO3 (radical), N2O5, PAN, other organic nitrates."}}}, "minus_tendency_of_atmosphere_mass_content_of_particulate_organic_matter_dry_aerosol_particles_due_to_wet_deposition": {"AERmon": {"wetoa": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Deposition rate of organic matter in aerosols (measured by the dry mass) due to wet processes"}}}, "minus_tendency_of_atmosphere_mass_content_of_sulfur_dioxide_due_to_wet_deposition": {"AERmon": {"wetso2": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Deposition rate of sulfur dioxide due to wet processes"}}}, "minus_tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_particles_due_to_wet_deposition": {"AERmon": {"wetso4": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Deposition rate of sulfate aerosols (measured by the dry mass) due to wet processes"}}}, "minus_tendency_of_atmosphere_mass_content_of_sea_salt_dry_aerosol_particles_due_to_wet_deposition": {"AERmon": {"wetss": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "Deposition rate of sea salt aerosols (measured by the dry mass) due to wet processes"}}}, "tropopause_altitude": {"AERmon": {"ztp": {"cell_methods": "area: time: mean", "cell_measures": "area: areacella", "dimensions": "longitude latitude time", "comment": "2D monthly mean thermal tropopause calculated using WMO tropopause definition on 3d temperature"}}}, "sea_water_age_since_surface_contact": {"Omon": {"agessc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Time elapsed since water was last in surface layer of the ocean."}}, "Odec": {"agessc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Time elapsed since water was last in surface layer of the ocean."}}}, "sea_water_conservative_temperature": {"Omon": {"bigthetao": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sea water conservative temperature (this should be contributed only for models using conservative temperature as prognostic field)"}, "bigthetaoga": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "", "dimensions": "time", "comment": "Diagnostic should be contributed only for models using conservative temperature as prognostic field."}}, "Odec": {"bigthetao": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sea water conservative temperature (this should be contributed only for models using conservative temperature as prognostic field)"}, "bigthetaoga": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "", "dimensions": "time", "comment": "Diagnostic should be contributed only for models using conservative temperature as prognostic field."}}}, "mole_concentration_of_particulate_organic_matter_expressed_as_silicon_in_sea_water": {"Omon": {"bsios": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "sum of particulate silica component concentrations"}}}, "surface_carbon_dioxide_partial_pressure_difference_between_sea_water_and_air": {"Omon": {"dpco2": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "Difference in partial pressure of carbon dioxide between sea water and air.  The partial pressure of a dissolved gas in sea water is the partial pressure in air with which it would be in equilibrium. "}}}, "surface_carbon_dioxide_abiotic_analogue_partial_pressure_difference_between_sea_water_and_air": {"Omon": {"dpco2abio": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "Difference in partial pressure of abiotic-analogue carbon dioxide between sea water and air.  The partial pressure of a dissolved gas in sea water is the partial pressure in air with which it would be in equilibrium. An abiotic analogue is used to simulate the effect on a modelled variable when biological effects on ocean carbon concentration and alkalinity are ignored."}, "spco2abio": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. The chemical formula for carbon dioxide is CO2. In ocean biogeochemistry models, an 'abiotic analogue' is used to simulate the effect on a modelled variable when biological effects on ocean carbon concentration and alkalinity are ignored. The partial pressure of a gaseous constituent of air is the pressure which it alone would exert with unchanged temperature and number of moles per unit volume. The partial pressure of a dissolved gas in sea water is the partial pressure in air with which it would be in equilibrium. The partial pressure difference between sea water and air is positive when the partial pressure of the dissolved gas in sea water is greater than the partial pressure in air."}}}, "surface_carbon_dioxide_natural_analogue_partial_pressure_difference_between_sea_water_and_air": {"Omon": {"dpco2nat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "Difference in partial pressure of natural-analogue carbon dioxide between sea water and air.  The partial pressure of a dissolved gas in sea water is the partial pressure in air with which it would be in equilibrium.  A natural analogue is used to simulate the effect on a modelled variable of imposing preindustrial atmospheric carbon dioxide concentrations, even when the model as a whole may be subjected to varying forcings. "}, "spco2nat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. The chemical formula for carbon dioxide is CO2. In ocean biogeochemistry models, a 'natural analogue' is used to simulate the effect on a modelled variable of imposing preindustrial atmospheric carbon dioxide concentrations, even when the model as a whole may be subjected to varying forcings. The partial pressure of a gaseous constituent of air is the pressure which it alone would exert with unchanged temperature and number of moles per unit volume. The partial pressure of a dissolved gas in sea water is the partial pressure in air with which it would be in equilibrium. The partial pressure difference between sea water and air is positive when the partial pressure of the dissolved gas in sea water is greater than the partial pressure in air."}}}, "surface_molecular_oxygen_partial_pressure_difference_between_sea_water_and_air": {"Omon": {"dpo2": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "The partial pressure of a dissolved gas in sea water is the partial pressure in air with which it would be in equilibrium.  The partial pressure of a gaseous constituent of air is the pressure which it alone would exert with unchanged temperature and number of moles per unit volume.  The surface called 'surface' means the lower boundary of the atmosphere."}}}, "integral_wrt_depth_of_tendency_of_sea_water_alkalinity_expressed_as_mole_equivalent_due_to_biological_processes": {"Omon": {"fbddtalk": {"cell_methods": "area: mean where sea depth: sum where sea (top 100m only) time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time olayer100m", "comment": "vertical integral of net biological terms in time rate of change of alkalinity"}}}, "tendency_of_ocean_mole_content_of_dissolved_inorganic_carbon_due_to_biological_processes": {"Omon": {"fbddtdic": {"cell_methods": "area: mean where sea depth: sum where sea (top 100m only) time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time olayer100m", "comment": "vertical integral of net biological terms in time rate of change of dissolved inorganic carbon"}}}, "tendency_of_ocean_mole_content_of_dissolved_inorganic_iron_due_to_biological_processes": {"Omon": {"fbddtdife": {"cell_methods": "area: mean where sea depth: sum where sea (top 100m only) time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time olayer100m", "comment": "vertical integral of net biological terms in time rate of change of dissolved inorganic iron"}}}, "tendency_of_ocean_mole_content_of_dissolved_inorganic_nitrogen_due_to_biological_processes": {"Omon": {"fbddtdin": {"cell_methods": "area: mean where sea depth: sum where sea (top 100m only) time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time olayer100m", "comment": "vertical integral of net biological terms in time rate of change of nitrogen nutrients (e.g. NO3+NH4)"}}}, "tendency_of_ocean_mole_content_of_dissolved_inorganic_phosphorus_due_to_biological_processes": {"Omon": {"fbddtdip": {"cell_methods": "area: mean where sea depth: sum where sea (top 100m only) time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time olayer100m", "comment": "vertical integral of net biological terms in time rate of change of phosphate"}}}, "tendency_of_ocean_mole_content_of_dissolved_inorganic_silicon_due_to_biological_processes": {"Omon": {"fbddtdisi": {"cell_methods": "area: mean where sea depth: sum where sea (top 100m only) time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time olayer100m", "comment": "vertical integral of net biological terms in time rate of change of dissolved inorganic silicate"}}}, "integral_wrt_depth_of_tendency_of_sea_water_alkalinity_expressed_as_mole_equivalent": {"Omon": {"fddtalk": {"cell_methods": "area: mean where sea depth: sum where sea (top 100m only) time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time olayer100m", "comment": "vertical integral of net time rate of change of alkalinity"}}}, "tendency_of_ocean_mole_content_of_dissolved_inorganic_carbon": {"Omon": {"fddtdic": {"cell_methods": "area: mean where sea depth: sum where sea (top 100m only) time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time olayer100m", "comment": "'Content' indicates a quantity per unit area.  'tendency_of_X' means derivative of X with respect to time. 'Dissolved inorganic carbon' describes a family of chemical species in solution, including carbon dioxide, carbonic acid and the carbonate and bicarbonate anions. 'Dissolved inorganic carbon' is the term used in standard names for all species belonging to the family that are represented within a given model. The list of individual species that are included in a quantity having a group chemical standard name can vary between models.  Where possible, the data variable should be accompanied by a complete description of the species represented, for example, by using a comment attribute."}}}, "tendency_of_ocean_mole_content_of_dissolved_inorganic_iron": {"Omon": {"fddtdife": {"cell_methods": "area: mean where sea depth: sum where sea (top 100m only) time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time olayer100m", "comment": "vertical integral of net time rate of change of dissolved inorganic iron"}}}, "tendency_of_ocean_mole_content_of_dissolved_inorganic_nitrogen": {"Omon": {"fddtdin": {"cell_methods": "area: mean where sea depth: sum where sea (top 100m only) time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time olayer100m", "comment": "Net time rate of change of nitrogen nutrients (e.g. NO3+NH4)"}}}, "tendency_of_ocean_mole_content_of_dissolved_inorganic_phosphorus": {"Omon": {"fddtdip": {"cell_methods": "area: mean where sea depth: sum where sea (top 100m only) time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time olayer100m", "comment": "vertical integral of net  time rate of change of phosphate"}}}, "tendency_of_ocean_mole_content_of_dissolved_inorganic_silicon": {"Omon": {"fddtdisi": {"cell_methods": "area: mean where sea depth: sum where sea (top 100m only) time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time olayer100m", "comment": "vertical integral of net time rate of change of dissolved inorganic silicate"}}}, "surface_downward_mole_flux_of_cfc11": {"Omon": {"fgcfc11": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "gas exchange flux of CFC11"}}}, "surface_downward_mole_flux_of_cfc12": {"Omon": {"fgcfc12": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "gas exchange flux of CFC12"}}}, "surface_upward_mole_flux_of_dimethyl_sulfide": {"Omon": {"fgdms": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "Gas exchange flux of DMS (positive into atmosphere)"}}}, "surface_downward_mole_flux_of_molecular_oxygen": {"Omon": {"fgo2": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "Gas exchange flux of O2 (positive into ocean)"}}}, "surface_downward_mole_flux_of_sulfur_hexafluoride": {"Omon": {"fgsf6": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "gas exchange flux of SF6"}}}, "water_flux_into_sea_water_from_icebergs": {"Omon": {"ficeberg": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "computed as the iceberg melt water  flux into the ocean divided by the area of the ocean portion of the grid cell."}, "ficeberg2d": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "computed as the iceberg melt water  flux into the ocean divided by the area of the ocean portion of the grid cell."}}}, "minus_tendency_of_ocean_mole_content_of_iron_due_to_sedimentation": {"Omon": {"frfe": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "'Content' indicates a quantity per unit area.  The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  'tendency_of_X' means derivative of X with respect to time."}}}, "minus_tendency_of_ocean_mole_content_of_inorganic_carbon_due_to_sedimentation": {"Omon": {"fric": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Inorganic Carbon loss to sediments"}}}, "water_flux_into_sea_water_from_rivers": {"Omon": {"friver": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "computed as the river flux of water into the ocean divided by the area of the ocean portion of the grid cell."}}}, "minus_tendency_of_ocean_mole_content_of_elemental_nitrogen_due_to_denitrification_and_sedimentation": {"Omon": {"frn": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "'Content' indicates a quantity per unit area.  The specification of a physical process by the phrase due_to_process means that the quantity named is a single term in a sum of terms which together compose the general quantity  named by omitting the phrase. 'Denitrification' is the conversion of nitrate into gaseous compounds such as nitric oxide, nitrous oxide and molecular nitrogen which are then emitted to the atmosphere.  'Sedimentation' is the sinking of particulate matter to the floor of a body of water. 'tendency_of_X' means derivative of X with respect to time."}}}, "minus_tendency_of_ocean_mole_content_of_organic_carbon_due_to_sedimentation": {"Omon": {"froc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Organic Carbon loss to sediments"}}}, "tendency_of_ocean_mole_content_of_iron_due_to_deposition_and_runoff_and_sediment_dissolution": {"Omon": {"fsfe": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "Iron supply through deposition flux onto sea surface, runoff, coasts, sediments, etc"}}}, "tendency_of_ocean_mole_content_of_elemental_nitrogen_due_to_deposition_and_fixation_and_runoff": {"Omon": {"fsn": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "Flux of nitrogen into the ocean due to deposition (sum of dry and wet deposition), fixation (the production of ammonia from nitrogen gas by diazotrophs) and runoff (liquid water which drains from land)."}}}, "northward_ocean_heat_transport": {"Omon": {"hfbasin": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude basin time", "comment": "Contains contributions from all physical processes affecting the northward heat transport, including resolved advection, parameterized advection, lateral diffusion, etc. Diagnosed here as a function of latitude and basin.   Use Celsius for temperature scale."}}, "Odec": {"hfbasin": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude basin time", "comment": "Contains contributions from all physical processes affecting the northward heat transport, including resolved advection, parameterized advection, lateral diffusion, etc. Diagnosed here as a function of latitude and basin.   Use Celsius for temperature scale."}}}, "northward_ocean_heat_transport_due_to_parameterized_eddy_advection": {"Omon": {"hfbasinpadv": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude basin time", "comment": "Contributions to heat transport from parameterized eddy-induced advective transport due to any subgrid advective process. Diagnosed here as a function of latitude and basin.  Use Celsius for temperature scale."}}}, "northward_ocean_heat_transport_due_to_parameterized_mesoscale_eddy_advection": {"Omon": {"hfbasinpmadv": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude basin time", "comment": "Contributions to heat transport from parameterized mesoscale eddy-induced advective transport. Diagnosed here as a function of latitude and basin.  Use Celsius for temperature scale."}}}, "northward_ocean_heat_transport_due_to_parameterized_mesoscale_eddy_diffusion": {"Omon": {"hfbasinpmdiff": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude basin time", "comment": "Contributions to heat transport from parameterized mesoscale eddy-induced diffusive transport (i.e., neutral diffusion). Diagnosed here as a function of latitude and basin."}}}, "northward_ocean_heat_transport_due_to_parameterized_submesoscale_eddy_advection": {"Omon": {"hfbasinpsmadv": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude basin time", "comment": "Contributions to heat transport from parameterized mesoscale eddy-induced advective transport. Diagnosed here as a function of latitude and basin.  Use Celsius for temperature scale."}}}, "heat_flux_correction": {"Omon": {"hfcorr": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Flux correction is also called 'flux adjustment'. A positive flux correction is downward i.e. added to the ocean. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics."}}}, "surface_downward_heat_flux_in_sea_water": {"Omon": {"hfds": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This is the net flux of heat entering the liquid water column through its upper surface (excluding any 'flux adjustment') ."}}, "Odec": {"hfds": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This is the net flux of heat entering the liquid water column through its upper surface (excluding any 'flux adjustment') ."}}}, "temperature_flux_due_to_evaporation_expressed_as_heat_flux_out_of_sea_water": {"Omon": {"hfevapds": {"cell_methods": "area: mean where ice_free_sea over sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This is defined as 'where ice_free_sea over sea'"}}}, "heat_flux_into_sea_water_due_to_iceberg_thermodynamics": {"Omon": {"hfibthermds": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.  The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  ' Iceberg thermodynamics' refers to the addition or subtraction of mass due to surface and basal fluxes, i.e., due to melting, sublimation and fusion."}, "hfibthermds2d": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.  The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  ' Iceberg thermodynamics' refers to the addition or subtraction of mass due to surface and basal fluxes, i.e., due to melting, sublimation and fusion."}}}, "surface_downward_latent_heat_flux": {"Omon": {"hflso": {"cell_methods": "area: mean where ice_free_sea over sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This is defined as with the cell methods string: where ice_free_sea over sea"}}}, "temperature_flux_due_to_rainfall_expressed_as_heat_flux_into_sea_water": {"Omon": {"hfrainds": {"cell_methods": "area: mean where ice_free_sea over sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This is defined as 'where ice_free_sea over sea'; i.e., the total flux (considered here) entering the ice-free portion of the grid cell divided by the area of the ocean portion of the grid cell.  All such heat fluxes are computed based on Celsius scale."}}}, "temperature_flux_due_to_runoff_expressed_as_heat_flux_into_sea_water": {"Omon": {"hfrunoffds": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Heat flux associated with liquid water which drains from land. It is calculated relative to the heat that would be transported by runoff water entering the sea at zero degrees Celsius. "}, "hfrunoffds2d": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Heat flux associated with liquid water which drains from land. It is calculated relative to the heat that would be transported by runoff water entering the sea at zero degrees Celsius. "}}}, "heat_flux_into_sea_water_due_to_freezing_of_frazil_ice": {"Omon": {"hfsifrazil": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics. The specification of a physical process by the phrase due_to_process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. 'Frazil' consists of needle like crystals of ice, typically between three and four millimeters in diameter, which form as sea water begins to freeze. Salt is expelled during the freezing process and frazil ice consists of nearly pure fresh water."}, "hfsifrazil2d": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics. The specification of a physical process by the phrase due_to_process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. 'Frazil' consists of needle like crystals of ice, typically between three and four millimeters in diameter, which form as sea water begins to freeze. Salt is expelled during the freezing process and frazil ice consists of nearly pure fresh water."}}}, "heat_flux_into_sea_water_due_to_snow_thermodynamics": {"Omon": {"hfsnthermds": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.  The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  'Snow thermodynamics' refers to the addition or subtraction of mass due to surface and basal fluxes, i.e., due to melting, sublimation and fusion."}, "hfsnthermds2d": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.  The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  'Snow thermodynamics' refers to the addition or subtraction of mass due to surface and basal fluxes, i.e., due to melting, sublimation and fusion."}}}, "ocean_heat_x_transport": {"Omon": {"hfx": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Contains all contributions to 'x-ward' heat transport from resolved and parameterized processes.  Use Celsius for temperature scale."}}}, "ocean_heat_y_transport": {"Omon": {"hfy": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Contains all contributions to 'y-ward' heat transport from resolved and parameterized processes. Use Celsius for temperature scale."}}}, "northward_ocean_heat_transport_due_to_gyre": {"Omon": {"htovgyre": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude basin time", "comment": "From all advective mass transport processes, resolved and parameterized."}}}, "northward_ocean_heat_transport_due_to_overturning": {"Omon": {"htovovrt": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude basin time", "comment": "From all advective mass transport processes, resolved and parameterized."}}}, "tendency_of_ocean_mole_content_of_inorganic_carbon_due_to_runoff_and_sediment_dissolution": {"Omon": {"icfriver": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "Inorganic Carbon supply to ocean through runoff (separate from gas exchange)"}}}, "ocean_mass_content_of_dissolved_inorganic_carbon": {"Omon": {"intdic": {"cell_methods": "area: mean where sea depth: sum where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertically integrated DIC"}}}, "ocean_mass_content_of_dissolved_organic_carbon": {"Omon": {"intdoc": {"cell_methods": "area: mean where sea depth: sum where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertically integrated DOC (explicit pools only)"}}}, "tendency_of_ocean_mole_content_of_aragonite_expressed_as_carbon_due_to_biological_production": {"Omon": {"intparag": {"cell_methods": "area: mean where sea depth: sum where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertically integrated aragonite production"}}}, "tendency_of_ocean_mole_content_of_iron_due_to_biological_production": {"Omon": {"intpbfe": {"cell_methods": "area: mean where sea depth: sum where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertically integrated biogenic iron production"}}}, "tendency_of_ocean_mole_content_of_nitrogen_due_to_biological_production": {"Omon": {"intpbn": {"cell_methods": "area: mean where sea depth: sum where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertically integrated biogenic nitrogen production"}}}, "tendency_of_ocean_mole_content_of_phosphorus_due_to_biological_production": {"Omon": {"intpbp": {"cell_methods": "area: mean where sea depth: sum where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertically integrated biogenic phosphorus production"}}}, "tendency_of_ocean_mole_content_of_silicon_due_to_biological_production": {"Omon": {"intpbsi": {"cell_methods": "area: mean where sea depth: sum where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertically integrated biogenic silica production"}}}, "tendency_of_ocean_mole_content_of_calcite_expressed_as_carbon_due_to_biological_production": {"Omon": {"intpcalcite": {"cell_methods": "area: mean where sea depth: sum where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertically integrated calcite production"}}}, "tendency_of_ocean_mole_content_of_elemental_nitrogen_due_to_fixation": {"Omon": {"intpn2": {"cell_methods": "area: mean where sea depth: sum where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertically integrated nitrogen fixation"}}}, "ocean_mass_content_of_particulate_organic_matter_expressed_as_carbon": {"Omon": {"intpoc": {"cell_methods": "area: mean where sea depth: sum where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertically integrated POC"}}}, "net_primary_mole_productivity_of_biomass_expressed_as_carbon_by_phytoplankton": {"Omon": {"intpp": {"cell_methods": "area: mean where sea depth: sum where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertically integrated total primary (organic carbon) production by phytoplankton.  This should equal the sum of intpdiat+intpphymisc, but those individual components may be unavailable in some models."}}}, "net_primary_mole_productivity_of_biomass_expressed_as_carbon_by_calcareous_phytoplankton": {"Omon": {"intppcalc": {"cell_methods": "area: mean where sea depth: sum where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertically integrated primary (organic carbon) production by the calcareous phytoplankton component alone"}}}, "net_primary_mole_productivity_of_biomass_expressed_as_carbon_by_diatoms": {"Omon": {"intppdiat": {"cell_methods": "area: mean where sea depth: sum where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertically integrated primary (organic carbon) production by the diatom phytoplankton component alone"}}}, "net_primary_mole_productivity_of_biomass_expressed_as_carbon_by_diazotrophic_phytoplankton": {"Omon": {"intppdiaz": {"cell_methods": "area: mean where sea depth: sum where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertically integrated primary (organic carbon) production by the diazotrophs alone"}}}, "net_primary_mole_productivity_of_biomass_expressed_as_carbon_by_miscellaneous_phytoplankton": {"Omon": {"intppmisc": {"cell_methods": "area: mean where sea depth: sum where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertically integrated total primary (organic carbon) production by other phytoplankton components alone"}}}, "net_primary_mole_productivity_of_biomass_expressed_as_carbon_due_to_nitrate_utilization": {"Omon": {"intppnitrate": {"cell_methods": "area: mean where sea depth: sum where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertically integrated primary (organic carbon) production by phytoplankton based on nitrate uptake alone"}}}, "net_primary_mole_productivity_of_biomass_expressed_as_carbon_by_picophytoplankton": {"Omon": {"intpppico": {"cell_methods": "area: mean where sea depth: sum where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Vertically integrated primary (organic carbon) production by the picophytoplankton component alone"}}}, "iron_growth_limitation_of_calcareous_phytoplankton": {"Omon": {"limfecalc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "'Calcareous phytoplankton' are phytoplankton that produce calcite. Calcite is a mineral that is a polymorph of calcium carbonate. The chemical formula of calcite is CaCO3. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. 'Iron growth limitation' means the ratio of the growth rate of a species population in the environment (where there is a finite availability of iron) to the theoretical growth rate if there were no such limit on iron availability."}}}, "iron_growth_limitation_of_diatoms": {"Omon": {"limfediat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Diatoms are phytoplankton with an external skeleton made of silica. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. 'Iron growth limitation' means the ratio of the growth rate of a species population in the environment (where there is a finite availability of iron) to the theoretical growth rate if there were no such limit on iron availability."}}}, "iron_growth_limitation_of_diazotrophic_phytoplankton": {"Omon": {"limfediaz": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "In ocean modelling, diazotrophs are phytoplankton of the phylum cyanobacteria distinct from other phytoplankton groups in their ability to fix nitrogen gas in addition to nitrate and ammonium. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. 'Iron growth limitation' means the ratio of the growth rate of a species population in the environment (where there is a finite availability of iron) to the theoretical growth rate if there were no such limit on iron availability."}}}, "iron_growth_limitation_of_miscellaneous_phytoplankton": {"Omon": {"limfemisc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. 'Miscellaneous phytoplankton' are all those phytoplankton that are not diatoms, diazotrophs, calcareous phytoplankton, picophytoplankton or other separately named components of the phytoplankton population. 'Iron growth limitation' means the ratio of the growth rate of a species population in the environment (where there is a finite availability of iron) to the theoretical growth rate if there were no such limit on iron availability."}}}, "iron_growth_limitation_of_picophytoplankton": {"Omon": {"limfepico": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Picophytoplankton are phytoplankton of less than 2 micrometers in size. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. 'Iron growth limitation' means the ratio of the growth rate of a species population in the environment (where there is a finite availability of iron) to the theoretical growth rate if there were no such limit on iron availability."}}}, "growth_limitation_of_calcareous_phytoplankton_due_to_solar_irradiance": {"Omon": {"limirrcalc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Growth limitation of calcareous phytoplankton due to solar irradiance. 'Growth limitation due to solar irradiance' means the ratio of the growth rate of a species population in the environment (where the amount of sunlight reaching a location may be limited) to the theoretical growth rate if there were no such limit on solar irradiance."}}}, "growth_limitation_of_diatoms_due_to_solar_irradiance": {"Omon": {"limirrdiat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Growth limitation of diatoms due to solar irradiance. 'Growth limitation due to solar irradiance' means the ratio of the growth rate of a species population in the environment (where the amount of sunlight reaching a location may be limited) to the theoretical growth rate if there were no such limit on solar irradiance."}}}, "growth_limitation_of_diazotrophic_phytoplankton_due_to_solar_irradiance": {"Omon": {"limirrdiaz": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Growth limitation of diazotrophs due to solar irradiance. 'Growth limitation due to solar irradiance' means the ratio of the growth rate of a species population in the environment (where the amount of sunlight reaching a location may be limited) to the theoretical growth rate if there were no such limit on solar irradiance."}}}, "growth_limitation_of_miscellaneous_phytoplankton_due_to_solar_irradiance": {"Omon": {"limirrmisc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Growth limitation of miscellaneous phytoplankton due to solar irradiance. 'Growth limitation due to solar irradiance' means the ratio of the growth rate of a species population in the environment (where the amount of sunlight reaching a location may be limited) to the theoretical growth rate if there were no such limit on solar irradiance."}}}, "growth_limitation_of_picophytoplankton_due_to_solar_irradiance": {"Omon": {"limirrpico": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Growth limitation of picophytoplankton due to solar irradiance. 'Growth limitation due to solar irradiance' means the ratio of the growth rate of a species population in the environment (where the amount of sunlight reaching a location may be limited) to the theoretical growth rate if there were no such limit on solar irradiance."}}}, "nitrogen_growth_limitation_of_calcareous_phytoplankton": {"Omon": {"limncalc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "'Calcareous phytoplankton' are phytoplankton that produce calcite. Calcite is a mineral that is a polymorph of calcium carbonate. The chemical formula of calcite is CaCO3. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. 'Nitrogen growth limitation' means the ratio of the growth rate of a species population in the environment (where there is a finite availability of nitrogen) to the theoretical growth rate if there were no such limit on nitrogen availability."}}}, "nitrogen_growth_limitation_of_diatoms": {"Omon": {"limndiat": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Diatoms are phytoplankton with an external skeleton made of silica. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. 'Nitrogen growth limitation' means the ratio of the growth rate of a species population in the environment (where there is a finite availability of nitrogen) to the theoretical growth rate if there were no such limit on nitrogen availability."}}}, "nitrogen_growth_limitation_of_diazotrophic_phytoplankton": {"Omon": {"limndiaz": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "In ocean modelling, diazotrophs are phytoplankton of the phylum cyanobacteria distinct from other phytoplankton groups in their ability to fix nitrogen gas in addition to nitrate and ammonium. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. 'Nitrogen growth limitation' means the ratio of the growth rate of a species population in the environment (where there is a finite availability of nitrogen) to the theoretical growth rate if there were no such limit on nitrogen availability."}}}, "nitrogen_growth_limitation_of_miscellaneous_phytoplankton": {"Omon": {"limnmisc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. 'Miscellaneous phytoplankton' are all those phytoplankton that are not diatoms, diazotrophs, calcareous phytoplankton, picophytoplankton or other separately named components of the phytoplankton population. 'Nitrogen growth limitation' means the ratio of the growth rate of a species population in the environment (where there is a finite availability of nitrogen) to the theoretical growth rate if there were no such limit on nitrogen availability."}}}, "nitrogen_growth_limitation_of_picophytoplankton": {"Omon": {"limnpico": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Picophytoplankton are phytoplankton of less than 2 micrometers in size. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. 'Nitrogen growth limitation' means the ratio of the growth rate of a species population in the environment (where there is a finite availability of nitrogen) to the theoretical growth rate if there were no such limit on nitrogen availability."}}}, "sea_water_mass": {"Omon": {"masso": {"cell_methods": "area: sum where sea time: mean", "cell_measures": "", "dimensions": "time", "comment": "Total mass of liquid sea water. For Boussinesq models, report this diagnostic as Boussinesq reference density times total volume."}}, "Odec": {"masso": {"cell_methods": "area: sum where sea time: mean", "cell_measures": "", "dimensions": "time", "comment": "Total mass of liquid sea water. For Boussinesq models, report this diagnostic as Boussinesq reference density times total volume."}}}, "sea_water_transport_across_line": {"Omon": {"mfo": {"cell_methods": "time: mean", "cell_measures": "", "dimensions": "oline time", "comment": "Transport across_line means that which crosses a particular line on the Earth's surface; formally this means the integral along the line of the normal component of the transport."}}}, "square_of_ocean_mixed_layer_thickness_defined_by_sigma_t": {"Omon": {"mlotstsq": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "The phrase 'square_of_X' means X*X. The ocean mixed layer is the upper part of the ocean, regarded as being well-mixed. The base of the mixed layer defined by 'temperature', 'sigma', 'sigma_theta', 'sigma_t' or vertical diffusivity is the level at which the quantity indicated differs from its surface value by a certain amount. A coordinate variable or scalar coordinate variable with standard name sea_water_sigma_t_difference can be used to specify the sigma_t criterion that determines the layer thickness. Sigma-t of sea water is the density of water at atmospheric pressure (i.e. the surface) having the same temperature and salinity, minus 1000 kg m-3. 'Thickness' means the vertical extent of a layer."}}}, "ocean_barotropic_mass_streamfunction": {"Omon": {"msftbarot": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Streamfunction or its approximation for free surface models. See OMDP document for details."}}}, "ocean_meridional_overturning_mass_streamfunction": {"Omon": {"msftmrho": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude rho basin time", "comment": "Overturning mass streamfunction arising from all advective mass transport processes, resolved and parameterized."}, "msftmz": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude olevel basin time", "comment": "Overturning mass streamfunction arising from all advective mass transport processes, resolved and parameterized."}}, "Odec": {"msftmrho": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude rho basin time", "comment": "Overturning mass streamfunction arising from all advective mass transport processes, resolved and parameterized."}, "msftmz": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude olevel basin time", "comment": "Overturning mass streamfunction arising from all advective mass transport processes, resolved and parameterized."}}}, "ocean_meridional_overturning_mass_streamfunction_due_to_parameterized_mesoscale_eddy_advection": {"Omon": {"msftmrhompa": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude rho basin time", "comment": "CMIP5 called this 'due to Bolus Advection'.  Name change respects the more general physics of the mesoscale parameterizations."}, "msftmzmpa": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude olevel basin time", "comment": "CMIP5 called this 'due to Bolus Advection'.  Name change respects the more general physics of the mesoscale parameterizations."}}}, "ocean_meridional_overturning_mass_streamfunction_due_to_parameterized_submesoscale_eddy_advection": {"Omon": {"msftmzsmpa": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude olevel basin time", "comment": "Report only if there is a submesoscale eddy parameterization."}, "msftyzsmpa": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude olevel basin time", "comment": "Report only if there is a submesoscale eddy parameterization."}}}, "ocean_y_overturning_mass_streamfunction": {"Omon": {"msftyrho": {"cell_methods": "time: mean grid_longitude: mean", "cell_measures": "", "dimensions": "gridlatitude rho basin time", "comment": "Overturning mass streamfunction arising from all advective mass transport processes, resolved and parameterized."}, "msftyz": {"cell_methods": "time: mean grid_longitude: mean", "cell_measures": "", "dimensions": "gridlatitude olevel basin time", "comment": "Overturning mass streamfunction arising from all advective mass transport processes, resolved and parameterized."}}, "Odec": {"msftyrho": {"cell_methods": "time: mean grid_longitude: mean", "cell_measures": "", "dimensions": "gridlatitude rho basin time", "comment": "Overturning mass streamfunction arising from all advective mass transport processes, resolved and parameterized."}, "msftyz": {"cell_methods": "time: mean grid_longitude: mean", "cell_measures": "", "dimensions": "gridlatitude olevel basin time", "comment": "Overturning mass streamfunction arising from all advective mass transport processes, resolved and parameterized."}}}, "ocean_y_overturning_mass_streamfunction_due_to_parameterized_mesoscale_eddy_advection": {"Omon": {"msftyrhompa": {"cell_methods": "time: mean grid_longitude: mean", "cell_measures": "", "dimensions": "gridlatitude rho basin time", "comment": "CMIP5 called this 'due to Bolus Advection'.  Name change respects the more general physics of the mesoscale parameterizations."}, "msftyzmpa": {"cell_methods": "time: mean grid_longitude: mean", "cell_measures": "", "dimensions": "gridlatitude olevel basin time", "comment": "CMIP5 called this 'due to Bolus Advection'.  Name change respects the more general physics of the mesoscale parameterizations."}}}, "mole_concentration_of_dissolved_molecular_oxygen_in_sea_water_at_shallowest_local_minimum_in_vertical_profile": {"Omon": {"o2min": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "'Mole concentration' means number of moles per unit volume, also called 'molarity', and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The concentration of any chemical species, whether particulate or dissolved, may vary with depth in the ocean.  A depth profile may go through one or more local minima in concentration. The mole_concentration_of_molecular_oxygen_in_sea_water_at_shallowest_local_minimum_in_vertical_profile is the mole concentration of oxygen at the local minimum in the concentration profile that occurs closest to the sea surface."}}}, "square_of_brunt_vaisala_frequency_in_sea_water": {"Omon": {"obvfsq": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "The phrase 'square_of_X' means X*X. Frequency is the number of oscillations of a wave per unit time. Brunt-Vaisala frequency is also sometimes called 'buoyancy frequency' and is a measure of the vertical stratification of the medium."}}}, "tendency_of_ocean_mole_content_of_organic_carbon_due_to_runoff_and_sediment_dissolution": {"Omon": {"ocfriver": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "Organic Carbon supply to ocean through runoff (separate from gas exchange)"}}}, "sea_water_pressure_at_sea_floor": {"Omon": {"pbo": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "'Sea water pressure' is the pressure that exists in the medium of sea water.  It includes the pressure due to overlying sea water, sea ice, air and any other medium that may be present."}}}, "sea_water_pressure_at_sea_water_surface": {"Omon": {"pso": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "The surface called 'surface' means the lower boundary of the atmosphere.  'Sea water pressure' is the pressure that exists in the medium of sea water.  It includes the pressure due to overlying sea water, sea ice, air and any other medium that may be present."}}}, "downwelling_shortwave_flux_in_sea_water": {"Omon": {"rsdo": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Downwelling radiation is radiation from above. It does not mean 'net downward'.  When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'.  In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'.  In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.  'shortwave' means shortwave radiation."}}}, "net_downward_shortwave_flux_at_sea_water_surface": {"Omon": {"rsntds": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This is the flux into the surface of liquid sea water only. This excludes shortwave flux absorbed by sea ice, but includes any light that passes through the ice and is absorbed by the ocean."}}}, "salt_flux_into_sea_water_from_rivers": {"Omon": {"sfriver": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This field is physical, and it arises when rivers carry a nonzero salt content.  Often this is zero, with rivers assumed to be fresh."}}, "Odec": {"sfriver": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This field is physical, and it arises when rivers carry a nonzero salt content.  Often this is zero, with rivers assumed to be fresh."}}}, "northward_ocean_salt_transport_due_to_gyre": {"Omon": {"sltovgyre": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude basin time", "comment": "From all advective mass transport processes, resolved and parameterized."}}}, "northward_ocean_salt_transport_due_to_overturning": {"Omon": {"sltovovrt": {"cell_methods": "longitude: sum (comment: basin sum [along zig-zag grid path]) depth: sum time: mean", "cell_measures": "", "dimensions": "latitude basin time", "comment": "From all advective mass transport processes, resolved and parameterized."}}}, "sea_water_salinity": {"Omon": {"so": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sea water salinity is the salt content of sea water, often on the Practical Salinity Scale of 1978. However, the unqualified term 'salinity' is generic and does not necessarily imply any particular method of calculation. The units of salinity are dimensionless and the units attribute should normally be given as 1e-3 or 0.001 i.e. parts per thousand. "}, "soga": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "", "dimensions": "time", "comment": "Sea water salinity is the salt content of sea water, often on the Practical Salinity Scale of 1978. However, the unqualified term 'salinity' is generic and does not necessarily imply any particular method of calculation. The units of salinity are dimensionless and the units attribute should normally be given as 1e-3 or 0.001 i.e. parts per thousand. "}}, "Odec": {"so": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Sea water salinity is the salt content of sea water, often on the Practical Salinity Scale of 1978. However, the unqualified term 'salinity' is generic and does not necessarily imply any particular method of calculation. The units of salinity are dimensionless and the units attribute should normally be given as 1e-3 or 0.001 i.e. parts per thousand. "}, "soga": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "", "dimensions": "time", "comment": "Sea water salinity is the salt content of sea water, often on the Practical Salinity Scale of 1978. However, the unqualified term 'salinity' is generic and does not necessarily imply any particular method of calculation. The units of salinity are dimensionless and the units attribute should normally be given as 1e-3 or 0.001 i.e. parts per thousand. "}}}, "sea_water_salinity_at_sea_floor": {"Omon": {"sob": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Model prognostic salinity at bottom-most model grid cell"}}}, "surface_partial_pressure_of_carbon_dioxide_in_sea_water": {"Omon": {"spco2": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time depth0m", "comment": "The surface called 'surface' means the lower boundary of the atmosphere. The partial pressure of a dissolved gas in sea water is the partial pressure in air with which it would be in equilibrium. The partial pressure of a gaseous constituent of air is the pressure which it alone would exert with unchanged temperature and number of moles per unit volume. The chemical formula for carbon dioxide is CO2."}}}, "downward_x_stress_correction_at_sea_water_surface": {"Omon": {"tauucorr": {"cell_methods": "time: mean", "cell_measures": "--OPT", "dimensions": "longitude latitude time", "comment": "This is the stress on the liquid ocean from overlying atmosphere, sea ice, ice shelf, etc."}}}, "downward_x_stress_at_sea_water_surface": {"Omon": {"tauuo": {"cell_methods": "time: mean", "cell_measures": "--OPT", "dimensions": "longitude latitude time", "comment": "This is the stress on the liquid ocean from overlying atmosphere, sea ice, ice shelf, etc."}}, "Odec": {"tauuo": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This is the stress on the liquid ocean from overlying atmosphere, sea ice, ice shelf, etc."}}}, "downward_y_stress_correction_at_sea_water_surface": {"Omon": {"tauvcorr": {"cell_methods": "time: mean", "cell_measures": "--OPT", "dimensions": "longitude latitude time", "comment": "This is the stress on the liquid ocean from overlying atmosphere, sea ice, ice shelf, etc."}}}, "downward_y_stress_at_sea_water_surface": {"Omon": {"tauvo": {"cell_methods": "time: mean", "cell_measures": "--OPT", "dimensions": "longitude latitude time", "comment": "This is the stress on the liquid ocean from overlying atmosphere, sea ice, ice shelf, etc."}}, "Odec": {"tauvo": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This is the stress on the liquid ocean from overlying atmosphere, sea ice, ice shelf, etc."}}}, "sea_water_potential_temperature_at_sea_floor": {"Omon": {"tob": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Potential temperature at the ocean bottom-most grid cell."}}}, "ocean_mass_x_transport": {"Omon": {"umo": {"cell_methods": "time: mean", "cell_measures": "--OPT", "dimensions": "longitude latitude olevel time", "comment": "X-ward mass transport from resolved and parameterized advective transport."}}}, "sea_water_x_velocity": {"Omon": {"uo": {"cell_methods": "time: mean", "cell_measures": "--OPT", "dimensions": "longitude latitude olevel time", "comment": "Prognostic x-ward velocity component resolved by the model."}}, "Odec": {"uo": {"cell_methods": "time: mean", "cell_measures": "--OPT", "dimensions": "longitude latitude olevel time", "comment": "Prognostic x-ward velocity component resolved by the model."}}}, "ocean_mass_y_transport": {"Omon": {"vmo": {"cell_methods": "time: mean", "cell_measures": "--OPT", "dimensions": "longitude latitude olevel time", "comment": "Y-ward mass transport from resolved and parameterized advective transport."}}}, "sea_water_y_velocity": {"Omon": {"vo": {"cell_methods": "time: mean", "cell_measures": "--OPT", "dimensions": "longitude latitude olevel time", "comment": "Prognostic y-ward velocity component resolved by the model."}}, "Odec": {"vo": {"cell_methods": "time: mean", "cell_measures": "--OPT", "dimensions": "longitude latitude olevel time", "comment": "Prognostic y-ward velocity component resolved by the model."}}}, "sea_water_volume": {"Omon": {"volo": {"cell_methods": "area: sum where sea time: mean", "cell_measures": "", "dimensions": "time", "comment": "Total volume of liquid sea water."}}, "Odec": {"volo": {"cell_methods": "area: sum where sea time: mean", "cell_measures": "", "dimensions": "time", "comment": "Total volume of liquid sea water."}}}, "virtual_salt_flux_into_sea_water": {"Omon": {"vsf": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "It is set to zero in models which receive a real water flux."}}}, "virtual_salt_flux_correction": {"Omon": {"vsfcorr": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "It is set to zero in models which receive a real water flux."}}}, "virtual_salt_flux_into_sea_water_due_to_evaporation": {"Omon": {"vsfevap": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "zero for models using real water fluxes."}}}, "virtual_salt_flux_into_sea_water_due_to_rainfall": {"Omon": {"vsfpr": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "zero for models using real water fluxes."}}}, "virtual_salt_flux_into_sea_water_from_rivers": {"Omon": {"vsfriver": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "zero for models using real water fluxes."}}}, "virtual_salt_flux_into_sea_water_due_to_sea_ice_thermodynamics": {"Omon": {"vsfsit": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This variable measures the virtual salt flux into sea water due to the melting of sea ice. It is set to zero in models which receive a real water flux."}}}, "water_flux_correction": {"Omon": {"wfcorr": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Computed as the water flux into the ocean due to flux correction divided by the area of the ocean portion of the grid cell."}}}, "water_flux_into_sea_water": {"Omon": {"wfo": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Computed as the water flux into the ocean divided by the area of the ocean portion of the grid cell. This is the sum *wfonocorr* and *wfcorr*."}}, "Odec": {"wfo": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Computed as the water flux into the ocean divided by the area of the ocean portion of the grid cell. This is the sum *wfonocorr* and *wfcorr*."}}}, "water_flux_into_sea_water_without_flux_correction": {"Omon": {"wfonocorr": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Computed as the water flux (without flux correction) into the ocean divided by the area of the ocean portion of the grid cell."}}}, "upward_ocean_mass_transport": {"Omon": {"wmo": {"cell_methods": "area: sum where sea time: mean", "cell_measures": "area: areacello volume: volcello", "dimensions": "longitude latitude olevel time", "comment": "Upward mass transport from resolved and parameterized advective transport."}}}, "upward_sea_water_velocity": {"Omon": {"wo": {"cell_methods": "time: mean", "cell_measures": "--OPT", "dimensions": "longitude latitude olevel time", "comment": "A velocity is a vector quantity. 'Upward' indicates a vector component which is positive when directed upward (negative downward)."}}, "Odec": {"wo": {"cell_methods": "time: mean", "cell_measures": "--OPT", "dimensions": "longitude latitude olevel time", "comment": "A velocity is a vector quantity. 'Upward' indicates a vector component which is positive when directed upward (negative downward)."}}}, "depth_at_shallowest_local_minimum_in_vertical_profile_of_mole_concentration_of_dissolved_molecular_oxygen_in_sea_water": {"Omon": {"zo2min": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Depth of vertical minimum concentration of dissolved oxygen gas (if two, then the shallower)"}}}, "sea_surface_height_above_geoid": {"Omon": {"zos": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "This is the dynamic sea level, so should have zero global area mean. It should not include inverse barometer depressions from sea ice."}}}, "square_of_sea_surface_height_above_geoid": {"Omon": {"zossq": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Surface ocean geoid defines z=0."}}}, "global_average_thermosteric_sea_level_change": {"Omon": {"zostoga": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "", "dimensions": "time", "comment": "There is no CMIP6 request for zosga nor zossga."}}}, "minimum_depth_of_aragonite_undersaturation_in_sea_water": {"Omon": {"zsatarag": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Depth of aragonite saturation horizon (0 if undersaturated at all depths, 'missing' if supersaturated at all depths; if multiple horizons exist, the shallowest should be taken)."}}}, "minimum_depth_of_calcite_undersaturation_in_sea_water": {"Omon": {"zsatcalc": {"cell_methods": "area: mean where sea time: mean", "cell_measures": "area: areacello", "dimensions": "longitude latitude time", "comment": "Depth of calcite saturation horizon (0 if undersaturated at all depths, and missing saturated through whole depth; if two or more horizons exist, then the shallowest is reported)"}}}, "latitude": {"CFsubhr": {"latitude": {"cell_methods": "area: point", "cell_measures": "", "dimensions": "site", "comment": "Latitude is positive northward; its units of degree_north (or equivalent) indicate this explicitly. In a latitude-longitude system defined with respect to a rotated North Pole, the standard name of grid_latitude should be used instead of latitude. Grid latitude is positive in the grid-northward direction, but its units should be plain degree."}}}, "volume_scattering_function_of_radiative_flux_in_air_due_to_ambient_aerosol_particles": {"6hrLev": {"bs550aer": {"cell_methods": "area: mean time: point", "cell_measures": "area: areacella", "dimensions": "longitude latitude alevel time1 lambda550nm", "comment": "Aerosol  Backscatter at 550nm and 180 degrees, computed from extinction and lidar ratio"}}}}}