黄河上游主要汇流区夏季复合干热事件变化特征及其对径流的影响
杨博成, 李维国, 刘晓云, 董胜虎, 贵强, 甘泽良, 郑琼

Characteristics of summer compound dry hot events in the main confluence area of the upper Yellow River and their impact on runoff
YANG Bocheng, LI Weiguo, LIU Xiaoyun, DONG Shenghu, GUI Qiang, GAN Zeliang, ZHENG Qiong
图2 黄河上游主要汇流区1961—2022年多年平均夏季高温日数(a,单位:d)和降水量(b,单位:mm)空间分布
Fig.2 The spatial distribution of summer high temperature days (a,Unit: d) and precipitation (b,Unit: mm) in the main confluence area of the upper Yellow River averaged from 1961 to 2022