基于干旱和水位特征构建水库人工增雨需求指数

姜舒婕, 程莹, 方楠, 周毓荃, 单中华, 张磊

Construction of artificial precipitation demand level index of the reservoir based on drought and water level characteristics

JIANG Shujie, CHENG Ying, FANG Nan, ZHOU Yuquan, SHAN Zhonghua, ZHANG Lei

图3 1990—2019年12个月时间尺度SPI（a）和SSI（b）年际变化及M-K检验

Fig.3 The inter-annual variation of SPI （a）， SSI （b） at 12 month time scale and M-K test from 1990 to 2019