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Evolution processes of a group of equatorial plasma bubble (EPBs) simultaneously observed by ground-based and satellite measurements in the equatorial region of China
Sun, Longchang; Xu, Jiyao; Wang, Wenbin; Yuan, Wei; Zhu, Yajun; Sun, LC (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing, Peoples R China.; Sun, LC (reprint author), Univ Chinese Acad Sci, Coll Earth Sci, Beijing, Peoples R China.
Department空间科学部
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
2017
Volume122Issue:4Pages:4819-4836
ISSN2169-9380
Language英语
AbstractThis paper for the first time reports conjugate observations of a group of evolving equatorial plasma bubbles (EPBs) generated in the longitudinal sector of China on 4/5 November 2013 using simultaneous airglow and Communication/Navigation Outage Forecasting System (C/NOFS) observations. The airglow depletion structures seen by two all-sky airglow imagers had the same zonal wavelength as that of the longitudinally periodic electron density depletions observed by the C/NOFS satellite which occurred at almost the same time but at magnetically conjugate latitudes. Data from a VHF radar and a Digisonde were combined to investigate the evolution of the EPB group, including their generation, development, and dissipation. Results indicate that the EPB group developed from the bottomside large-scale wave-like structure (LSWS) at about 195-210 km height with a characteristic zonal wavelength and longitudinal extension of about 450 km and 2250 km, respectively. The EPB group also caused periodic bottomside type spread F associated with the LSWS. We found that the development of the EPB group and their associated spread F could be limited by the equatorward motion of equatorial ionization anomaly (EIA) and the southwestward motion of an extremely bright airglow region (SMEBAR). The SMEBAR is a newly discovered structure of plasma density increase but not a plasma blob reported before. Both EIA and SMEBAR could feed high plasma density into an EPB airglow depletion structure that was eventually seen as a bright airglow structure or disappeared. Meanwhile, spread F associated with the EPBs did not evolve from the bottomside type into the strong range type.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5990
Collection空间科学部
Corresponding AuthorSun, LC (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing, Peoples R China.; Sun, LC (reprint author), Univ Chinese Acad Sci, Coll Earth Sci, Beijing, Peoples R China.
Recommended Citation
GB/T 7714
Sun, Longchang,Xu, Jiyao,Wang, Wenbin,et al. Evolution processes of a group of equatorial plasma bubble (EPBs) simultaneously observed by ground-based and satellite measurements in the equatorial region of China[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2017,122(4):4819-4836.
APA Sun, Longchang.,Xu, Jiyao.,Wang, Wenbin.,Yuan, Wei.,Zhu, Yajun.,...&Sun, LC .(2017).Evolution processes of a group of equatorial plasma bubble (EPBs) simultaneously observed by ground-based and satellite measurements in the equatorial region of China.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,122(4),4819-4836.
MLA Sun, Longchang,et al."Evolution processes of a group of equatorial plasma bubble (EPBs) simultaneously observed by ground-based and satellite measurements in the equatorial region of China".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 122.4(2017):4819-4836.
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