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Features of the middle- and low-latitude ionosphere during solar minimum as revealed from COSMIC radio occultation measurements

文献类型：期刊论文

作者Liu, Libo1,3; Le, Huijun1; Chen, Yiding1; He, Maosheng1; Wan, Weixing1; Yue, Xinan2
刊名JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
出版日期2011-09-10
卷号116
ISSN号2169-9380
DOI10.1029/2011JA016691
文献子类Article
英文摘要In this study, the ionospheric electron density profiles retrieved from radio occultation measurements of the Constellation Observing System for Meteorology, Ionosphere and Climate (COSMIC) mission are analyzed to determine the F-2 layer maximum electron density (NmF2), peak height (h(m)F(2)), and Chapman scale height (H-m). During the deep solar minimum of 2008-2009, NmF2, h(m)F(2), and H-m show complicated seasonal variations, which are generally consistent with those in previous solar minima. Besides the equinoctial asymmetry, nonseasonal and semiannual anomalies are present in daytime NmF2; the Weddell Sea anomaly appears in nighttime NmF2 in all seasons except the June solstice. Unusually higher values of h(m)F(2) and H-m appear at southern middle latitudes in the region centered at 70 degrees E in the daytime and h(m)F(2) at 70 degrees W in the nighttime. Wave-like longitudinal patterns are evidently present at low latitudes in all three parameters, showing diurnal and seasonal nature. The values of the parameters under study are smaller in 2008-2009 than the rest of the COSMIC period examined in this study. The seasonal and latitudinal pattern of daytime NmF2 on the solar sensitivity not only confirms our earlier investigation but also explains the observed small NmF2 in 2008-2009 in response to the reduced solar extreme ultraviolet radiance.
WOS关键词SCALE HEIGHT ; F2-LAYER ; REGION ; CYCLE ; MODEL ; BEHAVIOR
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000294799400008
出版者AMER GEOPHYSICAL UNION
资助机构National Natural Science Foundation of China(40725014 ; National Natural Science Foundation of China(40725014 ; China Meteorology Administration(GYHY201106011) ; China Meteorology Administration(GYHY201106011) ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; U.S. Air Force ; U.S. Air Force ; National Science Foundation(AGS-0918398/CSA AGS-0961147) ; National Science Foundation(AGS-0918398/CSA AGS-0961147) ; 41074112) ; 41074112) ; National Natural Science Foundation of China(40725014 ; National Natural Science Foundation of China(40725014 ; China Meteorology Administration(GYHY201106011) ; China Meteorology Administration(GYHY201106011) ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; U.S. Air Force ; U.S. Air Force ; National Science Foundation(AGS-0918398/CSA AGS-0961147) ; National Science Foundation(AGS-0918398/CSA AGS-0961147) ; 41074112) ; 41074112) ; National Natural Science Foundation of China(40725014 ; National Natural Science Foundation of China(40725014 ; China Meteorology Administration(GYHY201106011) ; China Meteorology Administration(GYHY201106011) ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; U.S. Air Force ; U.S. Air Force ; National Science Foundation(AGS-0918398/CSA AGS-0961147) ; National Science Foundation(AGS-0918398/CSA AGS-0961147) ; 41074112) ; 41074112) ; National Natural Science Foundation of China(40725014 ; National Natural Science Foundation of China(40725014 ; China Meteorology Administration(GYHY201106011) ; China Meteorology Administration(GYHY201106011) ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; U.S. Air Force ; U.S. Air Force ; National Science Foundation(AGS-0918398/CSA AGS-0961147) ; National Science Foundation(AGS-0918398/CSA AGS-0961147) ; 41074112) ; 41074112)
源URL[http://ir.iggcas.ac.cn/handle/132A11/73942]  
专题中国科学院地质与地球物理研究所
通讯作者Liu, Libo
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Beijing Natl Observ Space Environm, Beijing 100029, Peoples R China
2.Univ Corp Atmospher Res, COSMIC Program Off, Boulder, CO 80020 USA
3.Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Libo,Le, Huijun,Chen, Yiding,et al. Features of the middle- and low-latitude ionosphere during solar minimum as revealed from COSMIC radio occultation measurements[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2011,116.
APA Liu, Libo,Le, Huijun,Chen, Yiding,He, Maosheng,Wan, Weixing,&Yue, Xinan.(2011).Features of the middle- and low-latitude ionosphere during solar minimum as revealed from COSMIC radio occultation measurements.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,116.
MLA Liu, Libo,et al."Features of the middle- and low-latitude ionosphere during solar minimum as revealed from COSMIC radio occultation measurements".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 116(2011).

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来源：地质与地球物理研究所

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