农业干旱业务化监测研究进展与展望
刘伟琦, 马绍休, 宫毓来, 冯坤, 梁林昊

Research progress and perspective for operationalization of agricultural drought monitoring
Weiqi Liu, Shaoxiu Ma, Yulai Gong, Kun Feng, Linhao Liang
表6 CDI 干旱等级划分
Table 6 The classification of drought in CDI
等级分类条件
三级警告SPI3<-1或SPI1<-2
二级警告SMA<-1且(SPI3<-1或SPI1<-2)
一级警告?FAPAR<-1且(SPI3<-1或SPI1<-2)
部分恢复?FAPAR<-1且(SPI3m-1<-1且SPI3>-1))或(?FAPAR<-1且(SPI1m-1<-2且SPI1>-2))
完全恢复SPI3m-1<-1且SPI3>-1)或(SPI1m-1<-2且SPI1>-2)