中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
The ray-tracing mapping operator in an asymmetric atmosphere

文献类型:期刊论文

作者Hong, Zhenjie1,2; Ye, Fan2; Guo, Peng1
刊名PROGRESS IN NATURAL SCIENCE
出版日期2008-01-10
卷号18期号:1页码:123-127
关键词GPS occultation ray-tracing data assimilation Runge-Kutta method
英文摘要In a spherically symmetric atmosphere, the refractive index profile is retrieved from bending angle measurements through Abel integral transform. As horizontal refractivity inhomogeneity becomes significant in the moist low atmosphere, the error in refractivity profile obtained from Abel inversion reaches about 10%. One way to avoid this error is to directly assimilate bending angle profile into numerical weather models. This paper discusses the 2D ray-tracing mapping operator for bending angle in an asymmetric atmosphere. Through simulating computations, the retrieval error of the refractivity in horizontal inhomogeneity is assessed. The step length of 4 rank Runge-Kutta method is also tested. (c) 2007 National Natural Science Foundation of China and Chinese Academy of Sciences. Published by Elsevier Limited and Science in China Press. All rights reserved.
WOS标题词Science & Technology ; Technology
类目[WOS]Materials Science, Multidisciplinary ; Multidisciplinary Sciences
研究领域[WOS]Materials Science ; Science & Technology - Other Topics
关键词[WOS]RADIO OCCULTATION DATA ; GPS/MET BENDING ANGLE ; ESTIMATION INVERSE METHOD ; SURFACE PRESSURE ; ASSIMILATION ; PROFILES ; ERRORS ; IMPACT ; MODEL ; TEMPERATURE
收录类别SCI
语种英语
WOS记录号WOS:000252348400017
公开日期2010-07-30
源URL[http://119.78.226.72//handle/331011/10614]  
专题上海天文台_天文地球动力学研究中心
作者单位1.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
2.Wenzhou Univ, Sch Math & Informat Sci, Wenzhou 325027, Peoples R China
推荐引用方式
GB/T 7714
Hong, Zhenjie,Ye, Fan,Guo, Peng. The ray-tracing mapping operator in an asymmetric atmosphere[J]. PROGRESS IN NATURAL SCIENCE,2008,18(1):123-127.
APA Hong, Zhenjie,Ye, Fan,&Guo, Peng.(2008).The ray-tracing mapping operator in an asymmetric atmosphere.PROGRESS IN NATURAL SCIENCE,18(1),123-127.
MLA Hong, Zhenjie,et al."The ray-tracing mapping operator in an asymmetric atmosphere".PROGRESS IN NATURAL SCIENCE 18.1(2008):123-127.

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来源:上海天文台

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