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5 叙永站1981—2022年水稻孕穗—抽穗期SPEI（a）与STI（b）的最优边际分布拟合曲线

Fig.5 Fitted curves of the optimal marginal distributions of SPEI (a) and STI (b) during the booting-heading stage of rice at Xuyong Station from 1981 to 2022