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  2. 地质与地球物理研究所
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  4. 中国科学院地球与行星物理重点实验室
New Features of the Enhancements in Electron Density at Low Latitudes

文献类型：期刊论文

作者Liu, Libo1,2,3,4; Ding, Zonghua5; Le, Huijun1,2,3,4; Chen, Yiding1,2,3,4; Zhang, Hui1,2,3,4; Wu, Jian5; Li, Guozhu1,2,3,4; Wan, Weixing1,2,3,4
刊名JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
出版日期2020-02-01
卷号125期号:2页码:6
ISSN号2169-9380
DOI10.1029/2019JA027539
英文摘要In this study, we present some new features of the enhancements of electron density in the ionospheric F region at low latitudes. The peak parameters of the ionosphere were recorded by Sanya (109.6 degrees E, 18.3 degrees N) ionosonde and electron density profiles analyzed were measured by the Qujing (103.8 degrees E, 25.6 degrees N) incoherent scatter radar. The peak electron density of the F2 layer (NmF2) is found to be enhanced in the afternoon and sunset hours. Common features in the cases demonstrate that the NmF2 increases at low latitudes are characterized by a descent of the peak height (hmF2). Meanwhile, the electron density at Qujing shows an increase at the bottom of the ionosphere and a depression at topside altitudes. It is consistent with those of the ionosonde measurements at Sanya, for both the daytime and nighttime enhancements. Cross correlation analyses reveal a lag of NmF2 to hmF2 in the cases. After taking time shifts some events of the enhancements in NmF2 are still associated with a downwelling hmF2, confirming the processes which drive a lower hmF2 and a convergence of plasma flux may possibly bring about a rise in NmF2.
WOS关键词NIGHTTIME ENHANCEMENTS ; F-REGION ; POSTMIDNIGHT ENHANCEMENT ; LOCAL TIME ; NMF2 ; SOLAR ; IONIZATION ; INCREASES ; IONOSPHERE ; TEC
资助项目National Natural Science Foundation of China[41774161] ; National Natural Science Foundation of China[41621063] ; National Key Basic Research Program of China[2012CB825604] ; Open Research Project of Large Research Infrastructures of CAS -"Study on the interaction between low-/middle-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Meridian Project of China
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000535395800045
出版者AMER GEOPHYSICAL UNION
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; Open Research Project of Large Research Infrastructures of CAS -"Study on the interaction between low-/middle-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Open Research Project of Large Research Infrastructures of CAS -"Study on the interaction between low-/middle-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Open Research Project of Large Research Infrastructures of CAS -"Study on the interaction between low-/middle-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Open Research Project of Large Research Infrastructures of CAS -"Study on the interaction between low-/middle-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; Open Research Project of Large Research Infrastructures of CAS -"Study on the interaction between low-/middle-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Open Research Project of Large Research Infrastructures of CAS -"Study on the interaction between low-/middle-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Open Research Project of Large Research Infrastructures of CAS -"Study on the interaction between low-/middle-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Open Research Project of Large Research Infrastructures of CAS -"Study on the interaction between low-/middle-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; Open Research Project of Large Research Infrastructures of CAS -"Study on the interaction between low-/middle-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Open Research Project of Large Research Infrastructures of CAS -"Study on the interaction between low-/middle-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Open Research Project of Large Research Infrastructures of CAS -"Study on the interaction between low-/middle-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Open Research Project of Large Research Infrastructures of CAS -"Study on the interaction between low-/middle-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; Open Research Project of Large Research Infrastructures of CAS -"Study on the interaction between low-/middle-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Open Research Project of Large Research Infrastructures of CAS -"Study on the interaction between low-/middle-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Open Research Project of Large Research Infrastructures of CAS -"Study on the interaction between low-/middle-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Open Research Project of Large Research Infrastructures of CAS -"Study on the interaction between low-/middle-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China
源URL[http://ir.iggcas.ac.cn/handle/132A11/96689]  
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Liu, Libo
作者单位1.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Beijing Natl Observ Space Environm, Beijing, Peoples R China
4.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing, Peoples R China
5.China Res Inst Radiowave Propagat, Qingdao, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Libo,Ding, Zonghua,Le, Huijun,et al. New Features of the Enhancements in Electron Density at Low Latitudes[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2020,125(2):6.
APA Liu, Libo.,Ding, Zonghua.,Le, Huijun.,Chen, Yiding.,Zhang, Hui.,...&Wan, Weixing.(2020).New Features of the Enhancements in Electron Density at Low Latitudes.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,125(2),6.
MLA Liu, Libo,et al."New Features of the Enhancements in Electron Density at Low Latitudes".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 125.2(2020):6.

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来源：地质与地球物理研究所

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