Meteor radar observation of circulation near mesopause over Wuhan  

作　　者：XIONG Jiangang, WAN Weixin, NING Baiqi & LIU Libo Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China Correspondence should be addressed to Xiong Jiangang (e-mail: [e-mail]) 

出　　处：《Chinese Science Bulletin》2003年第15期1634-1638,共5页

基　　金：supported by the National Natura1 Science Foundations of China(Grant Nos.40174048 and 40134020)

摘　　要：The Wuhan meteor radar is the first all-sky meteor radar in China. The circulation near the mesopause from February to September 2002 is studied based on the data obtained by the Wuhan meteor radar. The zonal wind is usually eastward in winter from 80 to 100 km. The mean zonal wind become westward from March to early of May, when the winter circulation reverses to the summer circulation. But at the meteor heights, the zonal circulation usually becomes eastward after the middle of May. The meridional circulation is always equatorward. The peaks of the meridional wind move downward with the height, and the peak value reaches its maximum of 21 ms-1 in July. Having made a comparison between monthly mean wind and HWM93 model wind, the value of southward wind, the maximal value of eastward wind as well as the reversal height of zonal wind are found to be quite different from each other.The Wuhan meteor radar is the first all-sky meteor radar in China. The circulation near the mesopause from February to September 2002 is studied based on the data obtained by the Wuhan meteor radar. The zonal wind is usually eastward in winter from 80 to 100 km. The mean zonal wind become westward from March to early of May, when the winter circulation reverses to the summer circulation. But at the meteor heights, the zonal circulation usually becomes eastward after the middle of May. The meridional circulation is always equatorward. The peaks of the meridional wind move downward with the height, and the peak value reaches its maximum of 21 ms-1 in July. Having made a comparison between monthly mean wind and HWM93 model wind, the value of southward wind, the maximal value of eastward wind as well as the reversal height of zonal wind are found to be quite different from each other.

关 键 词：武汉市 气象雷达 带状气流 数据采集 中间层顶 

分 类 号：P412.25[天文地球—大气科学及气象学]