change to NAFO shape, june/july

Author: atyrell3

data-raw/MackerelShapefiles/MackerelNAFO.CPG

@@ -0,0 +1 @@
+UTF-8

data-raw/MackerelShapefiles/MackerelNAFO.dbf

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+GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

data-raw/MackerelShapefiles/MackerelNAFO.prj

@@ -0,0 +1 @@
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data-raw/MackerelShapefiles/MackerelNAFO.sbn

@@ -20,12 +20,22 @@ mab <- NEesp::shape %>%
   sf::st_crop(y = c(xmin = -80, xmax = -69, 
                     ymax = 41.5, ymin =  35.8327))
 
-gosl <- sf::st_read(here::here("data-raw/MackerelShapefiles/iho.shp"))
 
+# gulf of st lawrence shapefile downloaded from:
+# https://www.marineregions.org/gazetteer.php?p=details&id=4290
+gosl <- sf::st_read(here::here("data-raw/MackerelShapefiles/MackerelNAFO.shp"))
+
+# southern GOSL
 ggplot2::ggplot() +
-  ggplot2::geom_sf(data = gosl) +
+  ggplot2::geom_sf(data = gosl %>%
+                     dplyr::filter(Label == "4T"),
+                   ggplot2::aes(fill = Label)) +
+  viridis::scale_fill_viridis(discrete = TRUE) +
   ggplot2::theme_minimal()
 
+gosl <- gosl %>%
+  dplyr::filter(Label == "4T")
+
 years <- 1982:2021
 prop_spring <- c()
 area_days_spring <- c()
@@ -56,8 +66,14 @@ for(j in years) {
   # crop to MAB ----
 
     # filter to just may and june
-    months <- c(paste0("X", j, ".05.0", 1:9),
-                paste0("X", j, ".05.", 10:31),
+    # months <- c(paste0("X", j, ".05.0", 1:9),
+    #             paste0("X", j, ".05.", 10:31),
+    #             paste0("X", j, ".06.0", 1:9),
+    #             paste0("X", j, ".06.", 10:30))
+    
+    # filter to just june and july
+    months <- c(paste0("X", j, ".07.0", 1:9),
+                paste0("X", j, ".07.", 10:31),
                 paste0("X", j, ".06.0", 1:9),
                 paste0("X", j, ".06.", 10:30))