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2022 #30DayMapChallenge
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# 30DayMapChallenge 2022 Day 5 Ukraine | |
# Annual precipitation (in mm) | |
# Libraries | |
library(tidyverse) | |
library(sf) | |
library(raster) | |
library(ggtext) | |
library(showtext) | |
showtext_opts(dpi = 300) | |
showtext_auto(enable = TRUE) | |
# Font | |
font_add_google("Barlow") | |
f1 = "Barlow" | |
# Get climate data | |
climate=getData('worldclim', var='bio',res=2.5) | |
raster <- climate2$bio12 | |
# Mask raster | |
region = ne_states(country="ukraine", returnclass = "sf") | |
region2 = st_transform(region,crs(climate)) | |
m = mask(raster, region2) | |
regionb =ne_states(country="russia", returnclass = "sf") %>% filter(name=="Crimea") | |
regionb2 = st_transform(regionb,crs(climate)) | |
m2 = mask(raster, regionb) | |
# Dataframe | |
df_prec <- as.data.frame(m,xy=TRUE) %>% drop_na() | |
df_prec2 <- as.data.frame(m2,xy=TRUE) %>% drop_na() | |
# Plot | |
# Color palette | |
pal_ukraine <- c('#FFD700','#C0B72E','#40778A','#0057B7') | |
ggplot()+ | |
geom_raster(aes(x=x,y=y,fill=bio12),data=df_prec) + | |
geom_raster(aes(x=x,y=y,fill=bio12),data=df_prec2) + | |
geom_sf(data=region2, fill="transparent", color="#fafafa", size=.2) + | |
geom_sf(data=regionb, fill="transparent", color="#fafafa", size=.2) + | |
scale_fill_gradientn(colours=rev(pal_ukraine)) + | |
coord_sf(expand=FALSE) + | |
cowplot::theme_map(10) + | |
theme(text=element_text(family=f1), | |
legend.direction = "horizontal", | |
legend.position = c(0,.1), | |
plot.margin=margin(.5,1,.5,1, unit="cm"), | |
plot.background=element_rect(fill="white",color=NA), | |
legend.title=element_markdown(size=10), | |
legend.text=element_markdown(size=8), | |
plot.caption=element_text(size=7, color="grey20"), | |
plot.title=element_text(vjust=-85, size=14, face="plain") | |
) + | |
guides(fill=guide_colorbar(title.position = "top",barwidth = unit(8, "lines"),barheight = unit(.5, "lines"))) + | |
labs(caption="#30DayMapChallenge Day 5 Ukraine\nSource: WorldClim via {raster} R package", | |
fill="Annual precipitation (mm):", | |
title="UKRAINE") | |
ggsave("day5.png",bg="#fafafa", width=7, height=5) |
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