Preliminary Study on the Distribution of Meridional Wind in Near Space

查看全文 作　　者：Chen [1]Xiaojing;Liu [2]Xiaojia;Shi [1]Huiyan;Chen [1]Shuchi;Sun [1]Yu 机构地区：[1]Beijing Aerospace Control Center;[2]Jiuquan Satellite Launch Center 出　　处：《Meteorological and Environmental Research》索引2015年第6卷第4期,共5页 摘　　要：Based on high-altitude wind data in about one year,the seasonal changes and vertical profiles of meridional wind in near space were studied,and the reasons for the increase of meridional wind in spring and winter were analyzed.Meanwhile,the seasonal distribution of atmospheric circulation in the stratosphere was studied,and the seasonal changes and mechanism of wind conversion from the east to the west were revealed.The results show that the speed of meridional wind in near space was the highest in spring,followed by autumn and winter,while it was the lowest in summer;the increase of meridional wind in spring and winter was related to weather systems in the troposphere,such as the development of strong warm ridge over Xinjiang and cold trough system,and the system resulted in the increase of meridional wind. 关 键 词：空间 距离向 季节变化 天气系统 季节性分布 垂直廓线 转换机理 经向风