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Temporal evolutions of the solar wind conditions at 1 AU prior to the near-Earth X lines in the tail: Superposed epoch analysis
Zhang, L. Q.; Dai, L.; Baumjohann, W.; Lui, A. T. Y.; Wang, C.; Reme, H.; Dunlop, M. W.; Dai, L (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing, Peoples R China.
Department空间科学部
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
2016
Volume121Issue:8Pages:7488-7496
ISSN2169-9380
Language英语
AbstractUtilizing conjunction observations of the Geotail and ACE satellites from 1998 to 2005, we investigated the temporal evolutions of the solar wind conditions prior to the formation of X lines in the near-Earth magnetotail. We first show the statistical properties of B-z, B-y, density, and velocity of the solar wind related to the 374 tail X line events. A superposed epoch analysis is performed to study the temporal evolutions of the solar wind conditions 5 h prior to the tail X lines. The solar wind conditions for tail X lines during southward interplanetary magnetic field (IMF) (SW-IMF) and northward IMF (NW-IMF) are analyzed. The main results are as follows: (1) For events classified as SW-IMF, near-Earth X line observations in the magnetosphere are preceded by similar to 2 h intervals of southward IMF; (2) for events classified as NW-IMF, the northward IMF orientation preceding near-Earth X line observations lasts similar to 40 min.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5634
Collection空间科学部
Corresponding AuthorDai, L (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, L. Q.,Dai, L.,Baumjohann, W.,et al. Temporal evolutions of the solar wind conditions at 1 AU prior to the near-Earth X lines in the tail: Superposed epoch analysis[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2016,121(8):7488-7496.
APA Zhang, L. Q..,Dai, L..,Baumjohann, W..,Lui, A. T. Y..,Wang, C..,...&Dai, L .(2016).Temporal evolutions of the solar wind conditions at 1 AU prior to the near-Earth X lines in the tail: Superposed epoch analysis.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,121(8),7488-7496.
MLA Zhang, L. Q.,et al."Temporal evolutions of the solar wind conditions at 1 AU prior to the near-Earth X lines in the tail: Superposed epoch analysis".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 121.8(2016):7488-7496.
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