Last updated: 2020-11-25

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1 Predictor fields

Currently, we use combined predictor fields:

  • WOA18: S, T, and derived variables
  • GLODAP16: Oxygen, PO4, NO3, Silicate, and derived variables
predictors <- 
    read_csv(here::here("data/mapping",
                         "W18_st_G16_opsn.csv"))

2 Load MLR models

lm_all_wide_cstar <-
  read_csv(here::here("data/eMLR",
                       "lm_all_wide_cstar.csv"))

3 Merge MLRs + climatologies

lm_all_wide_cstar <- lm_all_wide_cstar %>% 
  mutate(model = str_remove(model, "cstar ~ "))
         
cstar <- full_join(predictors, lm_all_wide_cstar)

rm(predictors, lm_all_wide_cstar)

4 Map cstar

4.1 Apply MLRs to predictor

cstar <- b_cstar_model(cstar)

cstar <- cstar %>% 
  select(lon, lat, depth, era, basin, cstar, gamma)
cstar_average <- m_cstar_model_average(cstar)

rm(cstar)

cstar_average <- m_cut_gamma(cstar_average, "gamma")

4.2 Mean cstar sections

For each basin and era combination, the zonal mean cstar is calculated. Likewise, sd is calculated for the averaging of the mean basin fields.

cstar_average <- left_join(cstar_average,
                           basinmask %>% select(-basin))


cstar_average_zonal <- m_cstar_zonal_mean(cstar_average)

cstar_average_zonal <- m_cut_gamma(cstar_average_zonal, "gamma_mean")

5 Write csv

cstar_average %>%
    write_csv(here::here("data/output",
                         "cstar_3d.csv"))

cstar_average_zonal %>%
    write_csv(here::here("data/output",
                         "cstar_zonal.csv"))

sessionInfo()
R version 4.0.2 (2020-06-22)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 10 x64 (build 18363)

Matrix products: default

locale:
[1] LC_COLLATE=English_Germany.1252  LC_CTYPE=English_Germany.1252   
[3] LC_MONETARY=English_Germany.1252 LC_NUMERIC=C                    
[5] LC_TIME=English_Germany.1252    

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
 [1] metR_0.7.0      scico_1.2.0     patchwork_1.0.1 collapse_1.3.2 
 [5] forcats_0.5.0   stringr_1.4.0   dplyr_1.0.0     purrr_0.3.4    
 [9] readr_1.3.1     tidyr_1.1.0     tibble_3.0.3    ggplot2_3.3.2  
[13] tidyverse_1.3.0 workflowr_1.6.2

loaded via a namespace (and not attached):
 [1] Rcpp_1.0.5        lubridate_1.7.9   here_0.1          lattice_0.20-41  
 [5] zoo_1.8-8         assertthat_0.2.1  rprojroot_1.3-2   digest_0.6.25    
 [9] lfe_2.8-5.1       R6_2.4.1          cellranger_1.1.0  backports_1.1.8  
[13] reprex_0.3.0      evaluate_0.14     httr_1.4.2        pillar_1.4.6     
[17] rlang_0.4.7       readxl_1.3.1      data.table_1.13.0 rstudioapi_0.11  
[21] whisker_0.4       blob_1.2.1        Matrix_1.2-18     checkmate_2.0.0  
[25] rmarkdown_2.3     munsell_0.5.0     broom_0.7.0       compiler_4.0.2   
[29] httpuv_1.5.4      modelr_0.1.8      xfun_0.16         pkgconfig_2.0.3  
[33] htmltools_0.5.0   tidyselect_1.1.0  fansi_0.4.1       crayon_1.3.4     
[37] dbplyr_1.4.4      withr_2.2.0       later_1.1.0.1     grid_4.0.2       
[41] xtable_1.8-4      jsonlite_1.7.0    gtable_0.3.0      lifecycle_0.2.0  
[45] DBI_1.1.0         git2r_0.27.1      magrittr_1.5      scales_1.1.1     
[49] cli_2.0.2         stringi_1.4.6     fs_1.4.2          promises_1.1.1   
[53] xml2_1.3.2        ellipsis_0.3.1    generics_0.0.2    vctrs_0.3.2      
[57] sandwich_2.5-1    Formula_1.2-3     tools_4.0.2       glue_1.4.1       
[61] hms_0.5.3         parallel_4.0.2    yaml_2.2.1        colorspace_1.4-1 
[65] rvest_0.3.6       knitr_1.30        haven_2.3.1