湖北省区域性高温、干旱及其复合事件变化特征及危险性评估
张玉翠, 谭江红, 闫彩霞

Variability characteristics and risk assessment of regional high temperature, drought and their compound events in Hubei Province
ZHANG Yucui, TAN Jianghong, YAN Caixia
表3 基于MCI的气象干旱强度等级
Tab.3 Strength grades of meteorological drought based on MCI
干旱强度等级 MCI
无旱 -0.5<MCI
轻旱 -1.0<MCI≤-0.5
中旱 -1.5<MCI≤-1.0
重旱 -2.0<MCI≤-1.5
特旱 MCI≤-2.0