一种基于累积降水与累积蒸发的气象干旱指数

潘永地, 肖晶晶, 潘彦华, 石界

A meteorological drought index based on cumulative precipitation and cumulative evaporation

PAN Yongdi, XIAO Jingjing, PAN Yanhua, SHI Jie

图2 2013年1—9月平阳站土壤干旱等级距离指数与土壤含水率及土壤相对湿度演变

Fig.2 Evolution of soil drought grade distance index，soil water content，and soil relative moisture at Pingyang Station from January to September in 2013