海河流域夏季降水关键区季内演变及其环流配置的定量化分析
何丽烨, 程善俊, 马宁, 郭军

Intraseasonal evolution of the key areas of precipitation in the Haihe River Basin and quantitative analysis of its associated atmospheric circulation during summer
HE Liye, CHENG Shanjun, MA Ning, GUO Jun
图7 1961—2015年夏季各月西太副高脊线的平均位置以及其与海河流域降水显著相关区(置信度水平达95%)的季内变化
Fig. 7 The monthly ridge line of the Western Pacific Subtropical High (WPSH) averaged and intraseasonal variations of significant correlation areas (the values exceed 95% confidence level) relating to the ridge line of the WPSH for precipitation in the Haihe River Basin in summer during 1961-2015