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Global features and trends of the tropopause derived from GPS/CHAMP RO data
Han TingTing1; Ping JinSong1; Zhang SuJun1
2011
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
ISSN1674-7348
Volume54Issue:2Pages:365
AbstractThe global characteristics and trends of the tropopause physical parameters, height and temperature, obtained from the GPS/CHAMP radio occultation (RO) data in the period from Jul. 2001 to Oct. 2008, were modeled and analyzed in this work. The global distribution and variation of these parameters with latitude were estimated and analyzed using the Empirical Orthogonal Function (EOF), which was introduced to reveal the possible relationship between the tropopause variations and global climate change. The tropopause height and temperature varied with latitude. The results obtained by using the Empirical Orthogonal Function analysis suggested a recent rise in tropopause height and decrease in tropopause temperature; and also partly supported the argument that the global rise in the tropopause is consistent with global climate change. These results also revealed that the tropopause height increased mainly in the Polar regions, particularly in the South Polar region, as well as the regions where human activity is relatively significant, and decreased in the areas that are sparsely populated or have less human activity, such as the tropic region and south hemisphere. This paper also confirms that the GPS/LEO RO data are more reliable and can be effectively used to analyze the tropopause physical parameters.
KeywordSTRATOSPHERIC-TROPOSPHERIC EXCHANGE SURFACE-TEMPERATURE PATTERNS ORTHOGONAL FUNCTION-ANALYSIS TROPICAL TROPOPAUSE HEIGHT GPS/MET tropopause height and temperature latitude features trend Empirical Orthogonal Function
Language英语
Funding Project[National High Technology Research and Development] ; [National Natural Science Foundation of China] ; [Chinese Academy of Sciences]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/63161
Collection中国科学院国家天文台
Affiliation1.中国科学院国家天文台
2.Chinese Acad Science, Grad Unviers, Beijing 100039, Peoples R China Grad Unviers
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Han TingTing,Ping JinSong,Zhang SuJun. Global features and trends of the tropopause derived from GPS/CHAMP RO data[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2011,54(2):365.
APA Han TingTing,Ping JinSong,&Zhang SuJun.(2011).Global features and trends of the tropopause derived from GPS/CHAMP RO data.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,54(2),365.
MLA Han TingTing,et al."Global features and trends of the tropopause derived from GPS/CHAMP RO data".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 54.2(2011):365.
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