ERA5-Land降水产品在黄河流域干旱监测中的适用性研究

朱丽, 吕潇雨, 郭浩, 孟翔晨, 田芸菲

Suitability study of ERA5-Land precipitation product for drought monitoring in the Yellow River Basin

ZHU Li, LYU Xiaoyu, GUO Hao, MENG Xiangchen, TIAN Yunfei

表1 基于标准化降水指数（SPI）的干旱等级划分

Tab.1 The classification of drought grades based on standardized precipitation index

SPI 干旱等级 SPI≥2.0 极端湿润 1.5≤SPI<2.0 严重湿润 1.0≤SPI<1.5 中度湿润 0.0≤SPI<1.0 轻微湿润 -1.0≤SPI<0.0 轻微干旱 -1.5≤SPI<-1.0 中度干旱 -2.0≤SPI<-1.5 严重干旱 SPI<-2.0 极端干旱