利用GPS掩星资料反演大气重力波势能的方法  

A Method for Retrieving Atmospheric Gravity Wave Potential Energy by Using GPS Radio Occultation Data

作　　者：于道成 徐晓华[1,2] YU Daocheng;XU Xiaohua(School of Geodesy and Geomatics,Wuhan University,Wuhan 430079,China;Collaborative Innovation Center for Geospatial Technology,Wuhan 430079,China)

机构地区：[1]武汉大学测绘学院,湖北武汉430079 [2]地球空间信息技术协同创新中心,湖北武汉430079

出　　处：《测绘地理信息》2019年第6期35-37,113,共4页Journal of Geomatics

基　　金：国家自然科学基金(41774033)

摘　　要：介绍了利用GPS掩星资料反演大气重力波势能的方法,给出了从COSMIC(constellation observing system for meteorology, ionosphere and climate)干温廓线出发,扰动温度廓线提取及势能廓线反演的具体流程,进而对2011年夏季和冬季20~30 km重力波势能的全球分布及季节变化特征进行了分析,结果与国内外已有文献基本一致。This paper introduces a method for retrieving atmospheric gravity wave potential energy by using GPS radio occultation data and the specific process of extracting the temperature perturbation and retrieving potential energy by the use of COSMIC dry temperature profiles. Furthermore, this paper analyzes the global distribution and seasonal variations of gravity wave potential energy over 20-30 km in the summer and winter of 2011, and the results are basically consistent with the previous literature at home and abroad.

关 键 词：GPS无线电掩星 COSMIC 重力波 势能 

分 类 号：P228[天文地球—大地测量学与测量工程] P223[天文地球—测绘科学与技术]