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1 土壤干旱等级距离指数概念模型示意图
(点、线等说明见文中)
Fig.1 Schematic diagram of the conceptual model of soil drought grade distance index
(Points,lines,etc.,see the article)