Fig. 2

a The annual cycle of monthly mean of SPEI-1 over SE China. b The annual cycle of the linear trends of SPEI-1 and SPEI-3 over SE China. The significant values of trends exceeding the 0.05 significance level are indicated by asterisks

a The annual cycle of monthly mean of SPEI-1 over SE China. b The annual cycle of the linear trends of SPEI-1 and SPEI-3 over SE China. The significant values of trends exceeding the 0.05 significance level are indicated by asterisks