5~8月东北冷涡客观识别分类及北半球大气环流特征分析

刘刚, 廉毅, 颜鹏程, 曾宇星, 杨旭, 曹玲

The Objective Recognition and Classification of Northeast Cold Vortex and the Northern Hemisphere Atmospheric Circulation Characters in May to August

Gang LIU, Yi LIAN, Peng-cheng YAN, Yu-xing ZENG, Xu YANG, Ling CAO

图7 5~6月东北冷涡活动特少年与特多年同期高度场(a~d)和风场(f~h)合成差值 注：曲线表示为高度合成差值,彩色阴影表示通过95%及以上显著性检验的区域;a、e 1 000 hPa,b、f 850 hPa,c、g 500 hPa,d、h 200 hPa

Fig.7 Differences in geopotential height(a-d) and wind field(f-h) in May-June