IGGCAS OpenIR  > 地球与行星物理院重点实验室
Middle-Latitudinal Band Structure Observed in the Nighttime Ionosphere
Zhong, Jiahao1; Lei, Jiuhou1,2; Yue, Xinan3,4; Luan, Xiaoli1; Dou, Xiankang1
2019-07-01
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
Volume124Issue:7Pages:5857-5873
AbstractIn this study, the Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) electron densities (Ne) from 200 to 800 km during 2006-2017 are used to investigate the middle-latitudinal band structure of the nighttime ionosphere. The main results are as follows. (1) In the nighttime, the Ne at about +/- 40 degrees geomagnetic latitudes is generally greater, especially in the topside ionosphere. (2) Double bands of relatively high Ne are seen at all longitudes during the equinoxes, while only one latitudinal band is clearly visible at specific longitudes in the winter hemisphere during the solstices. (3) The middle-latitudinal band structure of the topside ionosphere is more pronounced at later local times (LTs) at night and under lower solar activity. (4) The middle-latitudinal band structure mainly occurs at 23-05 LT. (5) The seasonal/longitudinal variations of the middle-latitudinal band structure are consistent with those of the plasmaspheric total electron content at low latitudes and upward field-aligned winds at middle latitudes. (6) At the middle-latitudinal bands, the downward plasma diffusion from the plasmasphere provides stable plasma source to the topside ionosphere, while the upward plasma motion due to the neutral winds is the primary source for the F-2 peak region. (7) The plasma sources for the middle-latitudinal band structures at different altitude regions are probably different, so that the resulting measurements might be due to a coalescing of these two completely different mechanisms. (8) The modulated recombination rates due to the thermospheric dynamics could also reinforce this structure.
Keywordnighttime ionosphere middle latitude band structure topside ionosphere plasmasphere
DOI10.1029/2018JA026059
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS
WOS KeywordELECTRON-CONTENT ; ENHANCEMENTS ; MORPHOLOGY ; FIELDS ; MODEL
Language英语
Funding ProjectNational Natural Science Foundation of China[41804150] ; National Natural Science Foundation of China[41831070] ; National Natural Science Foundation of China[41674154] ; National Natural Science Foundation of China[41874184] ; National Natural Science Foundation of China[41325017] ; Fundamental Research Funds for the Central Universities ; China Postdoctoral Science Foundation[2019T120541] ; China Postdoctoral Science Foundation[2017M622008] ; Open Research Project of Large Research Infrastructures of CAS
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000482985600057
PublisherAMER GEOPHYSICAL UNION
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/93598
Collection地球与行星物理院重点实验室
Corresponding AuthorLei, Jiuhou
Affiliation1.Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Geospace Environm, Hefei, Anhui, Peoples R China
2.CAS Ctr Excellence Comparat Planetol, Hefei, Anhui, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
4.Chinese Acad Sci, Inst Earth Sci, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Zhong, Jiahao,Lei, Jiuhou,Yue, Xinan,et al. Middle-Latitudinal Band Structure Observed in the Nighttime Ionosphere[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2019,124(7):5857-5873.
APA Zhong, Jiahao,Lei, Jiuhou,Yue, Xinan,Luan, Xiaoli,&Dou, Xiankang.(2019).Middle-Latitudinal Band Structure Observed in the Nighttime Ionosphere.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,124(7),5857-5873.
MLA Zhong, Jiahao,et al."Middle-Latitudinal Band Structure Observed in the Nighttime Ionosphere".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 124.7(2019):5857-5873.
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