Temporal and Spatial Change Monitoring of Drought Grade Based on ERA5 Analysis Data and BFAST Method in the Belt and Road Area during 1989–2017

Figure 6

Trends of monthly average area percentage of the subregions in the Belt and Road area. (a) Equatorial. (b) Arid. (c) Warm. (d) Snow. (e) Polar. (f) Entire study area.

(a)

(b)

(c)

(d)

(e)

(f)