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An Exospheric Temperature Model Based On CHAMP Observations and TIEGCM Simulations
Ruan, Haibing; Lei, Jiuhou; Dou, Xiankang; Liu, Siqing; Aa, Ercha; Lei, JH (reprint author), Univ Sci & Technol China, CAS Key Lab Geospace Environm, Hefei, Anhui, Peoples R China.; Lei, JH (reprint author), Univ Sci & Technol China, Mengcheng Natl Geophys Observ, Hefei, Anhui, Peoples R China.; Lei, JH (reprint author), Collaborat Innovat Ctr Astronaut Sci & Technol, Harbin, Heilongjiang, Peoples R China.
Department空间环境部
Source PublicationSPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS
2018
Volume16Issue:2Pages:147-156
ISSN1542-7390
Language英语
AbstractIn this work, thermospheric densities from the accelerometer measurement on board the CHAMP satellite during 2002-2009 and the simulations from the National Center for Atmospheric Research Thermosphere Ionosphere Electrodynamics General Circulation Model (NCAR-TIEGCM) are employed to develop an empirical exospheric temperature model (ETM). The two-dimensional basis functions of the ETM are first provided from the principal component analysis of the TIEGCM simulations. Based on the exospheric temperatures derived from CHAMP thermospheric densities, a global distribution of the exospheric temperatures is reconstructed. A parameterization is conducted for each basis function amplitude as a function of solar-geophysical and seasonal conditions. Thus, the ETM can be utilized to model the thermospheric temperature and mass density under a specified condition. Our results showed that the averaged standard deviation of the ETM is generally less than 10% than approximately 30% in the MSIS model. Besides, the ETM reproduces the global thermospheric evolutions including the equatorial thermosphere anomaly.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6192
Collection空间环境部
Corresponding AuthorLei, JH (reprint author), Univ Sci & Technol China, CAS Key Lab Geospace Environm, Hefei, Anhui, Peoples R China.; Lei, JH (reprint author), Univ Sci & Technol China, Mengcheng Natl Geophys Observ, Hefei, Anhui, Peoples R China.; Lei, JH (reprint author), Collaborat Innovat Ctr Astronaut Sci & Technol, Harbin, Heilongjiang, Peoples R China.
Recommended Citation
GB/T 7714
Ruan, Haibing,Lei, Jiuhou,Dou, Xiankang,et al. An Exospheric Temperature Model Based On CHAMP Observations and TIEGCM Simulations[J]. SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS,2018,16(2):147-156.
APA Ruan, Haibing.,Lei, Jiuhou.,Dou, Xiankang.,Liu, Siqing.,Aa, Ercha.,...&Lei, JH .(2018).An Exospheric Temperature Model Based On CHAMP Observations and TIEGCM Simulations.SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS,16(2),147-156.
MLA Ruan, Haibing,et al."An Exospheric Temperature Model Based On CHAMP Observations and TIEGCM Simulations".SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS 16.2(2018):147-156.
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