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Pass temperatures to FATES for hardening frost mortality #1647

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@mariuslam mariuslam commented Feb 14, 2022

Description of changes

Calculation of minimum daily temperature, mean daily temperature, minimum yearly temperature, 5 year running mean of the minimum yearly temperature.

Also change of the supercooling of soil in cases where its temperature is below -10degC. This results in a larger variability of the water potential between years in the arctic region. Otherwise water potential reaches minimum each year during winter.

This PR is combined with the PR NGEET/fates#836 in Fates.

Specific notes

Contributors other than yourself, if any:
@rosiealice @rgknox

CTSM Issues Fixed (include github issue #):

Are answers expected to change (and if so in what way)?

-larger variability of the water potential between years in the arctic region when soil layer temperature gets below -10degC. Otherwise water potential reaches minimum each year during winter.

Any User Interface Changes (namelist or namelist defaults changes)?

Testing performed, if any:

Marius Lambert and others added 25 commits September 20, 2021 09:00
…m_master_10_20

Changes needed to get aux history output with cmeps

These changes are needed to create auxiliary land history files when the
new cmeps configuration variable is set to true. histaux_l2x1yrg =
.true.

The changes needed in CTSM enable lnd2glc fields to be sent to the
mediator even if glc is not present - based on querying the
histaux_l2x1yrg setting.

This includes a related change to set most lnd -> mediator fields to
spval over ocean, instead of sending zero values over ocean.
@mariuslam mariuslam changed the title Ctsm frost 14 02 Pass temperatures to FATES for fhardening frost mortality Feb 14, 2022
@ekluzek ekluzek added the next this should get some attention in the next week or two. Normally each Thursday SE meeting. label Feb 14, 2022
@mariuslam mariuslam changed the title Pass temperatures to FATES for fhardening frost mortality Pass temperatures to FATES for hardening frost mortality Feb 15, 2022
@billsacks billsacks removed the next this should get some attention in the next week or two. Normally each Thursday SE meeting. label Feb 17, 2022
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ekluzek commented Jan 20, 2024

@rosiealice @rgknox wondering about this one as well.

@rgknox
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rgknox commented Jan 23, 2024

I'm not sure, we plan to cover this topic in a developer meeting when we have a quorum

@ekluzek ekluzek added the science Enhancement to or bug impacting science label Dec 5, 2024
@ekluzek ekluzek added this to the ctsm7.0.0 milestone Dec 5, 2024
@ekluzek ekluzek added the priority: low Background task that doesn't need to be done right away. label Dec 5, 2024
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ekluzek commented Dec 5, 2024

@mvdebolskiy will work on this when he can. @mariuslam has finished his PhD and has moved on.

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5 participants