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Spatial Distribution and Semiannual Variation of Cold-Dense Plasma Sheet
Bai, Shichen; Shi, Quanqi; Tian, Anmin; Nowada, Motoharu; Degeling, Alexander W.; Zhou, Xu-Zhi; Zong, Qiu-Gang; Rae, I. Jonathan; Fu, Suiyan; Zhang, Hui; Pu, Zuyin; Fazakerly, Andrew N.; Shi, QQ; Nowada, M (reprint author), Shandong Univ, Sch Space Sci & Phys, Shandong Prov Key Lab Opt Astron & Solar Terr Env, Weihai, Peoples R China.
Department空间科学部
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
2018
Volume123Issue:1Pages:464-472
ISSN2169-9380
Language英语
AbstractThe cold-dense plasma sheet (CDPS) plays an important role in the entry process of the solar wind plasma into the magnetosphere. Investigating the seasonal variation of CDPS occurrences will help us better understand the long-term variation of plasma exchange between the solar wind and magnetosphere, but any seasonal variation of CDPS occurrences has not yet been reported in the literature. In this paper, we investigate the seasonal variation of the occurrence rate of CDPS using Geotail data from 1996 to 2015 and find a semiannual variation of the CDPS occurrences. Given the higher probability of solar wind entry under stronger northward interplanetary magnetic field (IMF) conditions, 20 years of IMF data (1996-2015) are used to investigate the seasonal variation of IMF B-z under northward IMF conditions. We find a semiannual variation of IMF B-z, which is consistent with the Russell-McPherron (R-M) effect. We therefore suggest that the semiannual variation of CDPS may be related to the R-M effect.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6207
Collection空间科学部
Corresponding AuthorShi, QQ; Nowada, M (reprint author), Shandong Univ, Sch Space Sci & Phys, Shandong Prov Key Lab Opt Astron & Solar Terr Env, Weihai, Peoples R China.
Recommended Citation
GB/T 7714
Bai, Shichen,Shi, Quanqi,Tian, Anmin,et al. Spatial Distribution and Semiannual Variation of Cold-Dense Plasma Sheet[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2018,123(1):464-472.
APA Bai, Shichen.,Shi, Quanqi.,Tian, Anmin.,Nowada, Motoharu.,Degeling, Alexander W..,...&Nowada, M .(2018).Spatial Distribution and Semiannual Variation of Cold-Dense Plasma Sheet.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,123(1),464-472.
MLA Bai, Shichen,et al."Spatial Distribution and Semiannual Variation of Cold-Dense Plasma Sheet".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 123.1(2018):464-472.
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