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Statistical characteristics of slow earthward and tailward flows in the plasma sheet
Zhang, L. Q.; Baumjohann, W.; Wang, J. Y.; Reme, H.; Dunlop, M. W.; Chen, T.; Zhang, LQ (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
2015
Volume120Issue:8Pages:6199-6206
ISSN2169-9380
Language英语
KeywordEarthward Flow Tailward Flow Plasma Sheet Magnetic Mirror Point
AbstractIn this paper, we statistically analyzed and compared the earthward flow (EF) and the tailward flow (TF) in the plasma sheet. It is found that the properties of the EF/TF in the central plasma sheet (CPS) of >1 and the outer plasma sheet (OPS) of 0.1<<1 are distinctly different. The main conclusions include that (1) the EFs occur in both the CPS and the OPS while the TFs mainly occur in the OPS, (2) both flows are dominantly convective in the CPS and parallel in the OPS, (3) in the CPS, the EF and the TF have similar characteristics, including their bulk velocities and ion densities and E-y components. Both flows tend to have isotropic temperatures; (4) in the OPS, the EFs tend to have higher ion velocity, density, and E-y than the TF. The EFs tend to have anisotropic temperatures, while the TFs tend to have more isotropic temperatures. As a whole, combined characteristics of the EF and the TF are consistent with (1) reflection at the magnetic mirror point near the Earth for parallel flows in the OPS and (2) bouncing off/back from the dipolar field closer to the Earth for convective flows in the CPS.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5092
Collection空间科学部
Corresponding AuthorZhang, LQ (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.,Baumjohann, W.,Wang, J. Y.,et al. Statistical characteristics of slow earthward and tailward flows in the plasma sheet[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2015,120(8):6199-6206.
APA Zhang, L. Q..,Baumjohann, W..,Wang, J. Y..,Reme, H..,Dunlop, M. W..,...&Zhang, LQ .(2015).Statistical characteristics of slow earthward and tailward flows in the plasma sheet.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,120(8),6199-6206.
MLA Zhang, L. Q.,et al."Statistical characteristics of slow earthward and tailward flows in the plasma sheet".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 120.8(2015):6199-6206.
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