中国干旱灾害的时空变化及其与直接经济损失的关联性研究
陈逸骁, 岳思妤, 夏雯雯

Spatiotemporal variation characteristics of drought disaster in China and correlations with direct economic losses
CHEN Yixiao, YUE Siyu, XIA Wenwen
表1 S P I W 60 M I 30 S P I 90 S P I 150各权重系数取值
Tab.1 The values of weighting coefficients of S P I W 60 , M I 30 , S P I 90 and S P I 150
区域 a b c d
北方及西部地区 0.3 0.5 0.3 0.2
南方地区 0.5 0.6 0.2 0.1