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<SGI0.0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