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7 夏季气候态500 hPa位势高度场(a),复合干热年份的500 hPa位势高度场(b)及其距平场(c)(单位:dagpm)
(黑点区为通过α=0.05的显著性检验,红色闭合区域为研究区,下同)
Fig.7 The summer climate state of 500 hPa geopotential height field (a),and 500 hPa geopotential height field (b) and its anomaly field (c) in compound dry-hot years (Unit: dagpm)
(The black dotted areas passed the significant test at 0.05,the red closed area is the research area,the same as below)