Fig. 5: Spatial variation of atmospheric PM2.5 concentration and Nr to ocean with urbanization.
From: Managing urban development could halve nitrogen pollution in China
a-c, Geographic distribution of surface air PM2.5 concentration in 2017 (a), 2050 (b), and the difference (c). Geographic distribution of Nr loading to downstream reach in 2017 (d), 2050 (e), and the difference (f). The base map is applied from GADM data (https://gadm.org/).
