Spatial Patterns and Temporal Variability of Drought in Beijing-Tianjin-Hebei Metropolitan Areas in China

Figure 3

Spatial distribution of percentage of annual mean precipitation relative to 1961–1990 climate normal over the course of the years (a) 1965; (b) 1997; (c) 2000; and (d) 2002.

(a)

(b)

(c)

(d)