Research Article

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

Figure 8

(a) Varimax rotated loading patterns (R-loading) of the RDI-12 and (b) time variability of the rotated PC scores (RPC) of the RDI-12 for the period 1960–2010 and the corresponding linear trend.
(a)
(b)