基于SPEI的广东省近50 a干旱时空特征

余兴湛, 蒲义良, 康伯乾

Spatial-temporal characteristics of drought in recent 50 years in Guangdong Province based on SPEI

YU Xingzhan, PU Yiliang, KANG Boqian

表1 基于SPEI的干旱等级划分

Tab.1 Drought grades classification based on SPEI

SPEI 干旱等级 -1.0 <SPEI≤-0.5 轻旱 -1.5 <SPEI≤-1.0 中旱 -2.0 <SPEI≤-1.5 重旱 SPEI≤-2.0 特旱