globalchange  > 气候减缓与适应
DOI: 10.1002/2017JA024565
Scopus记录号: 2-s2.0-85040796581
论文题名:
Spatial Distribution and Semiannual Variation of Cold-Dense Plasma Sheet
作者: Bai S.; Shi Q.; Tian A.; Nowada M.; Degeling A.W.; Zhou X.-Z.; Zong Q.-G.; Rae I.J.; Fu S.; Zhang H.; Pu Z.; Fazakerly A.N.
刊名: Journal of Geophysical Research: Space Physics
ISSN: 21699380
出版年: 2018
卷: 123, 期:1
起始页码: 464
结束页码: 472
语种: 英语
英文关键词: cold-dense plasma sheet ; Russell-McPherron effect ; solar wind entry
英文摘要: The 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 Bz under northward IMF conditions. We find a semiannual variation of IMF Bz, 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. ©2018. The Authors.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/114765
Appears in Collections:气候减缓与适应

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作者单位: Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Shandong University, Weihai, China; State Key Laboratory of Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing, China; School of Earth and Space Sciences, Peking University, Beijing, China; Physics Department and Geophysical Institute, University of Alaska Fairbanks, Fairbanks, AK, United States; Mullard Space Science Laboratory, Department of Space and Climate Physics, University College London, Dorking, United Kingdom

Recommended Citation:
Bai S.,Shi Q.,Tian A.,et al. Spatial Distribution and Semiannual Variation of Cold-Dense Plasma Sheet[J]. Journal of Geophysical Research: Space Physics,2018-01-01,123(1)
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