基于SPEI的广西桑树不同生育期干旱时空分布特征

刘芳, 陈燕丽, 黄珩, 李先平, 黄维

Spatiotemporal distribution characteristics of drought during different growth periods of mulberry in Guangxi based on SPEI

LIU Fang, CHEN Yanli, HUANG Heng, LI Xianping, HUANG Wei

表1 桑树生育期内基于SPEI的干旱等级划分

Tab.1 Classification of drought grades based on SPEI during the growth period of mulberry

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