基于Copula函数的四川水稻关键生育期高温干旱复合事件时空特征分析

蒲长林, 陈东东, 张玉芳, 王晓东, 邹雨伽

Spatio-temporal characteristics of compound high temperature and drought events during critical rice growth periods in Sichuan Province based on the Copula function

PU Changlin, CHEN Dongdong, ZHANG Yufang, WANG Xiaodong, ZOU Yujia

表2 高温与干旱强度等级划分标准

Tab.2 Classification criteria for high temperature and drought intensity levels

干旱或高温强度 SPEI STI 轻度 -1.0<SPEI≤-0.5 0.5≤STI<1.0 中度 -1.5<SPEI≤-1.0 1.0≤STI<1.5 重度 SPEI≤-1.5 STI≥1.5