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Rmd | b577ec6 | jens-daniel-mueller | 2020-08-26 | Analysis split in this and previous studies |
library(tidyverse)
library(patchwork)
library(scico)
library(scales)
library(metR)
Cant estimates from this study:
Cant_average <-
read_csv(here::here("data/mapping/_summarized_files",
"Cant_average.csv"))
Cant_average_zonal <-
read_csv(here::here("data/mapping/_summarized_files",
"Cant_average_zonal.csv"))
Cant_predictor_average_zonal <-
read_csv(here::here("data/mapping/_summarized_files",
"Cant_predictor_average_zonal.csv"))
Cant_inv <-
read_csv(here::here("data/mapping/_summarized_files",
"Cant_inv.csv"))
C* estimates from this study:
Cstar_average <-
read_csv(here::here("data/mapping/_summarized_files",
"Cstar_average.csv"))
Cstar_average_zonal <-
read_csv(here::here("data/mapping/_summarized_files",
"Cstar_average_zonal.csv"))
Cleaned GLODAPv2_2020 file as used in this study
GLODAP <-
read_csv(
here::here(
"data/GLODAPv2_2020/_summarized_data_files",
"GLODAP_MLR_fitting_ready.csv"
)
)
For ease of comparison with Gruber et al (2019) we adapt their color scale, including the ranges and breaks applied in various types of visualizations.
rgb2hex <- function(r, g, b)
rgb(r, g, b, maxColorValue = 100)
cols = c(rgb2hex(95, 95, 95),
rgb2hex(0, 0, 95),
rgb2hex(100, 0, 0),
rgb2hex(100, 100, 0))
Gruber_rainbow <- colorRampPalette(cols)
rm(rgb2hex, cols)
In a first series of plots we explore the distribution of Cant, taking only positive estimates into account (positive here refers to the mean Cant estimate across 10 eMLR model predictions available for each grid cell). Negative values were set to zero before calculating mean sections and inventories.
breaks <- c(seq(0,18,1),Inf)
breaks_n <- length(breaks) - 1
Cant_average_zonal <- Cant_average_zonal %>%
mutate(Cant_pos_mean_int = cut(Cant_pos_mean,
breaks,
right = FALSE))
zonal_section <- function(df, i_basin_AIP, i_eras, var) {
name_var <- var
var <- sym(var)
lat_max <- max(df$lat)
lat_min <- min(df$lat)
df_sub <- df %>%
filter(eras == i_eras,
basin_AIP == i_basin_AIP)
surface <- df_sub %>%
ggplot(aes(lat, depth, z = !!var)) +
geom_contour_filled(breaks = breaks) +
scale_fill_manual(values = Gruber_rainbow(breaks_n),
name = "Cant") +
coord_cartesian(expand = 0,
ylim = c(500, 0),
xlim = c(lat_min, lat_max)) +
scale_y_reverse() +
theme(
axis.title.x = element_blank(),
axis.text.x = element_blank(),
axis.ticks.x = element_blank()
) +
labs(y = "Depth (m)",
title = paste("Basin:", i_basin_AIP, "| eras:", i_eras))
deep <- df_sub %>%
ggplot(aes(lat, depth, z = !!var)) +
geom_contour_filled(breaks = breaks) +
scale_fill_manual(values = Gruber_rainbow(breaks_n),
name = "Cant") +
scale_y_reverse() +
coord_cartesian(expand = 0,
ylim = c(3000, 500),
xlim = c(lat_min, lat_max)) +
labs(x = "latitude (°N)", y = "Depth (m)")
surface / deep +
plot_layout(guides = "collect")
}
for (i_basin_AIP in unique(Cant_average_zonal$basin_AIP)) {
for (i_eras in rev(unique(Cant_average_zonal$eras))) {
print(zonal_section(Cant_average_zonal,
i_basin_AIP = i_basin_AIP,
i_eras = i_eras,
"Cant_pos_mean"))
}
}
rm(breaks, breaks_n)
Mean of positive Cant within each horizontal grid cell (lon x lat) per isoneutral slab.
Please note that:
Cant_gamma_maps <- Cant_average %>%
group_by(lat, lon, gamma_slab, eras) %>%
summarise(Cant_pos = mean(Cant_pos, na.rm = TRUE)) %>%
ungroup()
breaks <- c(seq(0,16,2),Inf)
breaks_n <- length(breaks) - 1
Cant_gamma_maps <- Cant_gamma_maps %>%
mutate(Cant_pos_int = cut(Cant_pos,
breaks,
right = FALSE))
ggplot() +
geom_raster(data = landmask,
aes(lon, lat),
fill = "grey30") +
geom_raster(data = Cant_gamma_maps,
aes(lon, lat, fill = Cant_pos_int)) +
scale_fill_manual(values = Gruber_rainbow(breaks_n)) +
facet_grid(gamma_slab ~ eras) +
coord_quickmap(expand = 0) +
theme(axis.title = element_blank(),
axis.ticks = element_blank(),
axis.text = element_blank(),
legend.position = "top")
rm(Cant_gamma_maps, breaks, breaks_n)
Column inventory of positive Cant between the surface and 3000m water depth per horizontal grid cell (lat x lon).
breaks <- c(seq(0,16,2),Inf)
breaks_n <- length(breaks) - 1
Cant_inv <- Cant_inv %>%
mutate(cant_inv_pos_int = cut(cant_inv_pos,
breaks,
right = FALSE))
Cant_inv %>%
ggplot() +
geom_raster(data = landmask,
aes(lon, lat), fill = "grey30") +
geom_raster(aes(lon, lat, fill = cant_inv_pos_int)) +
coord_quickmap(expand = 0) +
scale_fill_manual(values = Gruber_rainbow(breaks_n)) +
facet_wrap( ~ eras, ncol = 1) +
theme(axis.title = element_blank())
rm(breaks, breaks_n)
In a second series of plots we explore the distribution of Cant, taking positive and negative estimates into account.
section_zonal_average_divergent(Cant_average_zonal,
"Cant_mean",
"gamma_mean")
Mean of Cant within each horizontal grid cell (lon x lat) per isoneutral slab.
Please note that:
Cant_gamma_maps <- Cant_average %>%
group_by(lat, lon, gamma_slab, eras) %>%
summarise(Cant = mean(Cant, na.rm = TRUE)) %>%
ungroup()
breaks <- c(-Inf, seq(-16, 16, 4), Inf)
breaks_n <- length(breaks) - 1
Cant_gamma_maps <- Cant_gamma_maps %>%
mutate(Cant_int = cut(Cant,
breaks,
right = FALSE))
ggplot() +
geom_raster(data = landmask,
aes(lon, lat),
fill = "grey30") +
geom_raster(data = Cant_gamma_maps,
aes(lon, lat, fill = Cant_int)) +
scale_fill_brewer(palette = "RdBu",
direction = -1) +
facet_grid(gamma_slab ~ eras) +
coord_quickmap(expand = 0) +
theme(
axis.title = element_blank(),
axis.ticks = element_blank(),
axis.text = element_blank(),
legend.position = "top"
)
rm(Cant_gamma_maps, breaks, breaks_n)
Column inventory of positive Cant between the surface and 3000m water depth per horizontal grid cell (lat x lon).
breaks <- c(-Inf, seq(-16,16,4),Inf)
breaks_n <- length(breaks) - 1
Cant_inv <- Cant_inv %>%
mutate(cant_inv_int = cut(cant_inv,
breaks,
right = FALSE))
Cant_inv %>%
ggplot() +
geom_raster(data = landmask,
aes(lon, lat), fill = "grey80") +
geom_raster(aes(lon, lat, fill = cant_inv_int)) +
coord_quickmap(expand = 0) +
scale_fill_brewer(palette = "RdBu",
direction = -1) +
facet_wrap(~eras, ncol = 1) +
theme(
axis.title = element_blank()
)
rm(breaks, breaks_n)
Standard deviation across Cant from all MLR models was calculate for each grid cell (XYZ). The zonal mean of this standard deviation should reflect the uncertainty associated to the predictor selection within each slab and era.
section_zonal_average_continous(Cant_average_zonal,
"Cant_sd_mean",
"gamma_mean")
Standard deviation of mean Cant values was calculate across all longitudes. This standard deviation should reflect the zonal variability of Cant within the basin and era.
section_zonal_average_continous(Cant_average_zonal,
"Cant_sd",
"gamma_mean")
for (variable in c(
"Cant_intercept",
"Cant_aou",
"Cant_oxygen",
"Cant_phosphate",
"Cant_phosphate_star",
"Cant_silicate",
"Cant_tem",
"Cant_sal")) {
print(
section_zonal_average_continous(Cant_predictor_average_zonal,
variable,
"gamma")
)
}
rm(variable)
section_global(Cant_average %>% filter(eras == "JGOFS_GO"),
"Cant_pos")
section_global(Cant_average %>% filter(eras == "GO_new"),
"Cant_pos")
Zonal sections plots are produced for every 20° longitude, each era and for all models individually and can be downloaded here.
Cant concentration for selected depth levels at which mapping was performed.
Cant_average %>%
filter(depth %in% parameters$depth_levels) %>%
ggplot(aes(lon, lat, fill = Cant)) +
geom_raster(data = landmask,
aes(lon, lat), fill = "grey80") +
geom_raster() +
scale_fill_divergent(guide = "colorstrip",
breaks = MakeBreaks(5),
name = "Cant") +
guides(fill = guide_colorsteps(barheight = unit(10, "cm"))) +
coord_quickmap(expand = 0) +
facet_grid(depth ~ eras)
Cant_average %>%
ggplot(aes(Cant, Cant_sd)) +
geom_vline(xintercept = 0) +
geom_hline(yintercept = 10) +
geom_bin2d() +
scale_fill_viridis_c(option = "magma",
direction = -1,
trans = "log10",
name = "log10(n)") +
facet_grid(basin_AIP ~ eras)
Cant_average %>%
ggplot(aes(Cant, Cant_sd)) +
geom_vline(xintercept = 0) +
geom_hline(yintercept = 10) +
geom_bin2d() +
scale_fill_viridis_c(option = "magma",
direction = -1,
trans = "log10",
name = "log10(n)") +
facet_grid(gamma_slab ~ basin_AIP)
Cant_average_zonal %>%
ggplot(aes(Cant_mean, Cant_sd)) +
geom_vline(xintercept = 0) +
geom_hline(yintercept = 10) +
geom_bin2d() +
scale_fill_viridis_c(option = "magma",
direction = -1,
trans = "log10",
name = "log10(n)") +
facet_grid(basin_AIP ~ eras)
Cant_average_zonal %>%
ggplot(aes(Cant_mean, Cant_sd)) +
geom_vline(xintercept = 0) +
geom_hline(yintercept = 10) +
geom_bin2d() +
scale_fill_viridis_c(option = "magma",
direction = -1,
trans = "log10",
name = "log10(n)") +
facet_grid(gamma_slab ~ basin_AIP)
Please note that:
gamma_maps <- Cant_average %>%
group_by(lat, lon, gamma_slab) %>%
summarise(depth_max = max(depth, na.rm = TRUE)) %>%
ungroup()
GLODAP_obs_coverage <- GLODAP %>%
count(lat, lon, gamma_slab, era)
ggplot() +
geom_raster(data = landmask,
aes(lon, lat),
fill = "grey80") +
geom_raster(data = gamma_maps,
aes(lon, lat, fill = depth_max)) +
geom_raster(data = GLODAP_obs_coverage,
aes(lon, lat), fill = "red") +
facet_grid(gamma_slab ~ era) +
coord_quickmap(expand = 0) +
scale_fill_viridis_c(direction = -1) +
theme(axis.title = element_blank(),
axis.ticks = element_blank(),
axis.text = element_blank(),
legend.position = "top")
rm(gamma_maps, GLODAP_obs_coverage)
map_climatology(Cant_average, "gamma")
The mean zonal distribution of neutral densities was calculated. CAVEAT: Due to practical reasons, binning here does not include the two highest isoneutral density slabs in the Atlantic, yet.
Cant_average_zonal %>%
filter(eras == "JGOFS_GO") %>%
ggplot(aes(lat, depth, z = gamma_mean)) +
geom_contour_filled(breaks = slab_breaks) +
geom_contour(breaks = slab_breaks,
col = "white") +
geom_text_contour(breaks = slab_breaks,
col = "white",
skip = 1) +
scale_fill_viridis_d(name = "Gamma",
direction = -1) +
scale_y_reverse() +
scale_x_continuous(breaks = seq(-100, 100, 20)) +
coord_cartesian(expand = 0) +
guides(fill = guide_colorsteps(barheight = unit(10, "cm"))) +
facet_grid(basin_AIP~.)
Higher SD of gamma in shallow, subtropical waters results from a more pronounced longitudinal variability.
Cant_average_zonal %>%
filter(eras == "JGOFS_GO") %>%
ggplot(aes(lat, depth, z = gamma_sd)) +
geom_contour_filled() +
scale_fill_viridis_d(name = "Gamma SD",
direction = -1) +
scale_y_reverse() +
scale_x_continuous(breaks = seq(-100, 100, 20)) +
coord_cartesian(expand = 0) +
guides(fill = guide_colorsteps(barheight = unit(10, "cm"))) +
facet_grid(basin_AIP~.)
Cstar_average_zonal <- Cstar_average_zonal %>%
mutate(era = factor(era, c("JGOFS_WOCE", "GO_SHIP", "new_era")))
Cstar_average_zonal %>%
ggplot(aes(lat, depth, z = Cstar_mean_mean)) +
geom_contour_filled(bins = 11) +
scale_fill_viridis_d(name = "Cstar") +
geom_contour(aes(lat, depth, z = gamma_mean_mean),
breaks = slab_breaks,
col = "white") +
geom_text_contour(
aes(lat, depth, z = gamma_mean_mean),
breaks = slab_breaks,
col = "white",
skip = 1
) +
scale_y_reverse() +
coord_cartesian(expand = 0) +
guides(fill = guide_colorsteps(barheight = unit(10, "cm"))) +
facet_grid(basin_AIP ~ era)
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 scales_1.1.1 scico_1.2.0 patchwork_1.0.1
[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 lattice_0.20-41 lubridate_1.7.9 here_0.1
[5] assertthat_0.2.1 rprojroot_1.3-2 digest_0.6.25 plyr_1.8.6
[9] R6_2.4.1 cellranger_1.1.0 backports_1.1.8 reprex_0.3.0
[13] evaluate_0.14 httr_1.4.2 pillar_1.4.6 rlang_0.4.7
[17] readxl_1.3.1 rstudioapi_0.11 data.table_1.13.0 whisker_0.4
[21] blob_1.2.1 checkmate_2.0.0 rmarkdown_2.3 labeling_0.3
[25] munsell_0.5.0 broom_0.7.0 compiler_4.0.2 httpuv_1.5.4
[29] modelr_0.1.8 xfun_0.16 pkgconfig_2.0.3 htmltools_0.5.0
[33] tidyselect_1.1.0 viridisLite_0.3.0 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] jsonlite_1.7.0 gtable_0.3.0 lifecycle_0.2.0 DBI_1.1.0
[45] git2r_0.27.1 magrittr_1.5 cli_2.0.2 stringi_1.4.6
[49] farver_2.0.3 fs_1.4.2 promises_1.1.1 sp_1.4-2
[53] xml2_1.3.2 ellipsis_0.3.1 generics_0.0.2 vctrs_0.3.2
[57] RColorBrewer_1.1-2 tools_4.0.2 glue_1.4.1 hms_0.5.3
[61] yaml_2.2.1 colorspace_1.4-1 isoband_0.2.2 rvest_0.3.6
[65] memoise_1.1.0 knitr_1.29 haven_2.3.1