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

表2 江淮流域及其各区1961—2020年入梅日、出梅日和梅雨季/期长度变化速率

Tab.2 Linear variation trend of Meiyu onset and ending dates and length of the Meiyu period over the Yangtze-Huai River Basin and its subregions during 1961-2020 (d/10 a)

指标 Ⅰ区 Ⅱ区 Ⅲ区 江淮流域 入梅日 -0.11 -0.19 0.82 -0.20 出梅日 1.09 1.43 0.11 0.64 梅雨季/期长度 1.20 1.62 0.71 0.84