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An investigation of ionospheric upper transition height variations at low and equatorial latitudes deduced from combined COSMIC and C/NOFS measurements

文献类型：期刊论文

作者Yang, Changjun1,2,3; Zhao, Biqiang1,2,3; Zhu, Jie1,2,3; Yue, Xinan1,2; Wan, Weixing1,2
刊名ADVANCES IN SPACE RESEARCH
出版日期2017-10-15
卷号60期号:8页码:1617-1628
关键词Topside ionosphere Upper transition height Scale height C/NOFS COSMIC
ISSN号0273-1177
DOI10.1016/j.asr.2016.11.024
文献子类Article
英文摘要In this study we propose the combination of topside in-situ ion density data from the Communication/Navigation Outage Forecast System (C/NOFS) along with the electron density profile measurement from Constellation Observing System for Meteorology, Ionosphere & Climate (COSMIC) satellites Radio Occultation (RO) for studying the spatial and temporal variations of the ionospheric upper transition height (h(T)) and the oxygen ion (O+) density scale height. The latitudinal, local time and seasonal distributions of upper transition height show more consistency between hT re-calculated by the profile of the O+ using an alpha-Chapman function with linearly variable scale height and that determined from direct in-situ ion composition measurements, than with constant scale height and only the COSMIC data. The discrepancy in the values of hT between the C/NOFS measurement and that derived by the combination of COSMIC and C/NOFS satellites observations with variable scale height turns larger as the solar activity decreases, which suggests that the photochemistry and the electrodynamics of the equatorial ionosphere during the extreme solar minimum period produce abnormal structures in the vertical plasma distribution. The diurnal variation of scale heights (H-m) exhibits a minimum after sunrise and a maximum around noon near the geomagnetic equator. Further, the values of H-m exhibit a maximum in the summer hemisphere during daytime, whereas in the winter hemisphere the maximum is during night. Those features of H-m consistently indicate the prominent role of the vertical electromagnetic (E x B) drift in the equatorial ionosphere. (C) 2016 Published by Elsevier Ltd on behalf of COSPAR.
WOS关键词RADIO OCCULTATION MEASUREMENTS ; ELECTRON-DENSITY PROFILES ; SOLAR MINIMUM ; SCALE HEIGHT ; TOPSIDE ; ARECIBO ; MODEL ; IRI
WOS研究方向Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
语种英语
WOS记录号WOS:000412620000005
出版者ELSEVIER SCI LTD
资助机构National Natural Science Foundation of China(41674148 ; National Natural Science Foundation of China(41674148 ; National Natural Science Foundation of China(41674148 ; National Natural Science Foundation of China(41674148 ; National High Technology Research and Development Program of China (863 Program)(2014AA123503 ; National High Technology Research and Development Program of China (863 Program)(2014AA123503 ; National High Technology Research and Development Program of China (863 Program)(2014AA123503 ; National High Technology Research and Development Program of China (863 Program)(2014AA123503 ; NASA(NAS5-01068) ; NASA(NAS5-01068) ; NASA(NAS5-01068) ; NASA(NAS5-01068) ; Chinese Academy of Science ; Chinese Academy of Science ; Chinese Academy of Science ; Chinese Academy of Science ; 41321003 ; 41321003 ; 41321003 ; 41321003 ; 2014IES0406) ; 2014IES0406) ; 2014IES0406) ; 2014IES0406) ; 41131066) ; 41131066) ; 41131066) ; 41131066) ; National Natural Science Foundation of China(41674148 ; National Natural Science Foundation of China(41674148 ; National Natural Science Foundation of China(41674148 ; National Natural Science Foundation of China(41674148 ; National High Technology Research and Development Program of China (863 Program)(2014AA123503 ; National High Technology Research and Development Program of China (863 Program)(2014AA123503 ; National High Technology Research and Development Program of China (863 Program)(2014AA123503 ; National High Technology Research and Development Program of China (863 Program)(2014AA123503 ; NASA(NAS5-01068) ; NASA(NAS5-01068) ; NASA(NAS5-01068) ; NASA(NAS5-01068) ; Chinese Academy of Science ; Chinese Academy of Science ; Chinese Academy of Science ; Chinese Academy of Science ; 41321003 ; 41321003 ; 41321003 ; 41321003 ; 2014IES0406) ; 2014IES0406) ; 2014IES0406) ; 2014IES0406) ; 41131066) ; 41131066) ; 41131066) ; 41131066) ; National Natural Science Foundation of China(41674148 ; National Natural Science Foundation of China(41674148 ; National Natural Science Foundation of China(41674148 ; National Natural Science Foundation of China(41674148 ; National High Technology Research and Development Program of China (863 Program)(2014AA123503 ; National High Technology Research and Development Program of China (863 Program)(2014AA123503 ; National High Technology Research and Development Program of China (863 Program)(2014AA123503 ; National High Technology Research and Development Program of China (863 Program)(2014AA123503 ; NASA(NAS5-01068) ; NASA(NAS5-01068) ; NASA(NAS5-01068) ; NASA(NAS5-01068) ; Chinese Academy of Science ; Chinese Academy of Science ; Chinese Academy of Science ; Chinese Academy of Science ; 41321003 ; 41321003 ; 41321003 ; 41321003 ; 2014IES0406) ; 2014IES0406) ; 2014IES0406) ; 2014IES0406) ; 41131066) ; 41131066) ; 41131066) ; 41131066) ; National Natural Science Foundation of China(41674148 ; National Natural Science Foundation of China(41674148 ; National Natural Science Foundation of China(41674148 ; National Natural Science Foundation of China(41674148 ; National High Technology Research and Development Program of China (863 Program)(2014AA123503 ; National High Technology Research and Development Program of China (863 Program)(2014AA123503 ; National High Technology Research and Development Program of China (863 Program)(2014AA123503 ; National High Technology Research and Development Program of China (863 Program)(2014AA123503 ; NASA(NAS5-01068) ; NASA(NAS5-01068) ; NASA(NAS5-01068) ; NASA(NAS5-01068) ; Chinese Academy of Science ; Chinese Academy of Science ; Chinese Academy of Science ; Chinese Academy of Science ; 41321003 ; 41321003 ; 41321003 ; 41321003 ; 2014IES0406) ; 2014IES0406) ; 2014IES0406) ; 2014IES0406) ; 41131066) ; 41131066) ; 41131066) ; 41131066)
源URL[http://ir.iggcas.ac.cn/handle/132A11/61982]  
专题地质与地球物理研究所_中国科学院地球与行星物理重点实验室
通讯作者Zhao, Biqiang
作者单位1.Chinese Acad Sci, Key Lab Earth & Planetary Phys, Inst Geol & Geophys, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Beijing Natl Observ Space Environm, Inst Geol & Geophys, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Yang, Changjun,Zhao, Biqiang,Zhu, Jie,et al. An investigation of ionospheric upper transition height variations at low and equatorial latitudes deduced from combined COSMIC and C/NOFS measurements[J]. ADVANCES IN SPACE RESEARCH,2017,60(8):1617-1628.
APA Yang, Changjun,Zhao, Biqiang,Zhu, Jie,Yue, Xinan,&Wan, Weixing.(2017).An investigation of ionospheric upper transition height variations at low and equatorial latitudes deduced from combined COSMIC and C/NOFS measurements.ADVANCES IN SPACE RESEARCH,60(8),1617-1628.
MLA Yang, Changjun,et al."An investigation of ionospheric upper transition height variations at low and equatorial latitudes deduced from combined COSMIC and C/NOFS measurements".ADVANCES IN SPACE RESEARCH 60.8(2017):1617-1628.

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