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

图4 1981—2022年四川省不同水稻种植区、不同生育期、不同时期的高温（a）、干旱（b）累计发生频次

Fig.4 Cumulative occurrence frequency of high temperature (a) and drought (b) in different rice planting regions, growth stages and periods in Sichuan Province from 1981 to 2022