基于机器学习的湖北省夏季干旱预测模型构建与检验

王雅君, 罗菊英, 程烈海, 李伟

Construction and validation of summer drought prediction model in Hubei Province based on machine learning algorithms

WANG Yajun, LUO Juying, CHENG Liehai, LI Wei

表1 基于SPEI的干旱划分标准

Tab.1 The drought classification standard based on SPEI

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