Interdecadal Variability of Summer Precipitation Efficiency in East Asia

Figure 2

Normalized time series of the EOF1 (PC1) of the summer mean precipitation efficiency in East Asia during 1979–2016 (a), the spatial distribution of the EOF1 (b), and analysis of variance of PC1 variability (c). The percentage value at the top right in (a) denotes the explained variance of EOF1. Blue solid lines in (a) represent the abrupt changes in mean value between 1983–1998 and 1999–2013, and the dashed line is the zero baseline.

(a)

(b)

(c)