江淮流域梅雨过程识别及梅雨期分级降水时空特征

姚飛, 杨秀芹, 刘慕嘉, 张余庆, 李华

Identification of Meiyu process and spatiotemporal characteristics of different precipitation levels during the Meiyu period over the Yangtze-Huai River Basin

YAO Fei, YANG Xiuqin, LIU Mujia, ZHANG Yuqing, LI Hua

图5 各站点1961—2020年梅雨期内不同降水量级雨日数及其降水发生率时空变化特征 注：图a2、a4、b2、b4、c2、c4、d2和d4中大圆圈表示该站点变化趋势通过了95%置信度下的显著性检验，小圆圈表示没有通过。

Fig.5 Spatiotemporal characteristics of rainy days and their incidence rates for different precipitation levels during the Meiyu period from 1961 to 2020 for each meteorological station in the Yangtze-Huai River Basin and its subregions