基于标准化地下水指数的酒泉绿洲地下水干旱特征

王楠, 吴丽丽, 温小虎, 杨林山, 尹振良, 方锦杰

Drought characteristics of groundwater in Jiuquan Oasis based on the standardized groundwater index

Nan Wang, Lili Wu, Xiaohu Wen, Linshan Yang, Zhenliang Yin, Jinjie Fang

表1 SGI 的干旱识别

Table 1 Drought tecognition at SGI

SGI取值区间 干旱等级 SGI>0.0 非干旱 -1.0<SGI≤0.0 轻度干旱 -1.5<SGI≤-1.0 中度干旱 -2.0<SGI≤-1.5 重度干旱 SGI≤-2.0 极端干旱