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Structure of Post-Midnight Enhancements in Electron Density at the Low Latitude F-Layer Ionosphere

文献类型：期刊论文

作者Liu, Libo3,4,5,6; Yang, Yuyan4,5,6; Zhang, Ruilong3,4,5,6; Tariq, M. Arslan2,5,6; Le, Huijun3,4,5,6; Chen, Yiding1,4,5,6; Zhang, Hui3,4,5,6; Li, Guozhu1,4,5,6; Yue, Xinan1,4,5,6
刊名JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
出版日期2023-04-01
卷号128期号:4页码:10
ISSN号2169-9380
关键词ionosphere total electron content nighttime enhancement low latitude GNSS electron density profile
DOI10.1029/2023JA031376
英文摘要It has previously found that at Sanya (109.6 degrees E, 18.3 degrees N) a post-midnight enhancement in the F2-layer peak electron density (NmF2) is often accompanied by the increase in the bottom side F layer electron density (Ne) and a reduction in the top side F layer Ne. We conduct a case study to explore the complete spatial coverage of the post-midnight enhancements of electron density in the low latitude ionosphere. The total electron content (TEC) data are retrieved from the Beidou Geostationary Earth Orbit (GEO) satellite signals recorded by a network of Global Navigation Satellite System (GNSS) receivers in Asia-Australia. The F2-layer peak parameters and the altitudinal profiles of Ne are measured by the ionosonde, and incoherent scatter radar at Sanya (109.6 degrees E, 18.3 degrees N). The GEO-TEC does not always completely follow the enhancement of NmF2. The enhancements may peak roughly simultaneously or with significant time shifts in the west-east direction, even in the GEO-TEC series recorded by a GNSS receiver in an event, which indicates possibly the enhancement of different longitudinal scales. Further, in the cases the enhancement is clustered in a limited area. The low latitude enhancements show a hemispheric asymmetry; they occur mainly in the northern hemisphere and usually have no correspondingly magnetic conjugate symmetrical features in the southern hemisphere. The hemispheric asymmetry of the enhancements highlights that both the field-aligned plasma transport and electric fields are possibly responsible for regulating the limited spatial presence of post-midnight enhancements in the low latitude ionosphere.
WOS关键词NIGHTTIME ENHANCEMENTS ; LOCAL TIME ; REGION ; SOLAR ; NMF2 ; IONIZATION ; INCREASES ; TEC ; MORPHOLOGY ; NORTHERN
资助项目National Natural Science Foundation of China[42030202] ; Meridian Project of China
WOS研究方向Astronomy & Astrophysics
语种英语
出版者AMER GEOPHYSICAL UNION
WOS记录号WOS:001000351700004
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 ; 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 ; 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 ; 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 ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China
源URL[http://ir.iggcas.ac.cn/handle/132A11/111211]  
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.Chinese Acad Sci, Inst Geol & Geophys, Beijing Natl Observ Space Environm, Beijing, Peoples R China
2.Natl Ctr Phys, Ctr Earthquake Studies, Islamabad, Pakistan
3.Chinese Acad Sci, Inst Geol & Geophys, Heilongjiang Mohe Natl Observ Geophys, Beijing, Peoples R China
4.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing, Peoples R China
5.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
6.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Libo,Yang, Yuyan,Zhang, Ruilong,et al. Structure of Post-Midnight Enhancements in Electron Density at the Low Latitude F-Layer Ionosphere[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2023,128(4):10.
APA Liu, Libo.,Yang, Yuyan.,Zhang, Ruilong.,Tariq, M. Arslan.,Le, Huijun.,...&Yue, Xinan.(2023).Structure of Post-Midnight Enhancements in Electron Density at the Low Latitude F-Layer Ionosphere.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,128(4),10.
MLA Liu, Libo,et al."Structure of Post-Midnight Enhancements in Electron Density at the Low Latitude F-Layer Ionosphere".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 128.4(2023):10.

入库方式： OAI收割

来源：地质与地球物理研究所

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