Research Article
Regionalization and Spatiotemporal Variation of Drought in China Based on Standardized Precipitation Evapotranspiration Index (1961–2013)
Figure 9
Temporal evolution of the 3-month SPEI in eight regions: (a) SW; (b) NE; (c) N; (d) SE; (e) YR; (f) NW; (g) C; (h) TP.
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