Van Allen Probes observation and modeling of chorus excitation and propagation during weak geomagnetic activities

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成果类型：

期刊论文

作者：

He, Yihua;Xiao, Fuliang*;Zhou, Qinghua;Yang, Chang;Liu, Si;...

通讯作者：

Xiao, Fuliang

作者机构：

[Yang, Chang; He, Yihua; Liu, Si; Xiao, Fuliang; Zhou, Qinghua] Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha, Hunan, Peoples R China.

[Baker, D. N.] Univ Colorado, Atmospher & Space Phys Lab, Boulder, CO 80309 USA.

[Kletzing, C. A.; Kurth, W. S.; Hospodarsky, G. B.] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA.

[Spence, H. E.] Univ New Hampshire, Inst Study Earth Oceans & Space, Durham, NH 03824 USA.

[Reeves, G. D.] Los Alamos Natl Lab, Space Sci & Applicat Grp, Los Alamos, NM USA.

通讯机构：

[Xiao, Fuliang] C

Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha, Hunan, Peoples R China.

语种：

英文

关键词：

chorus wave excitation;energetic electrons;wave-particle interaction;Van Allen probes results;geomagnetic storm

期刊：

JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS

ISSN：

2169-9380

年：

2015

卷：

120

期：

页码：

6371-6385

DOI：

10.1002/2015JA021376

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41404130, 41274165, 41204114]; Aid Program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province; Construct Program of the Key Discipline in Hunan Province; JHU/APL under NASA [921647, 967399, NAS5-01072]

机构署名：

本校为第一且通讯机构

院系归属：

物理与电子科学学院

摘要：

We report correlated data on nightside chorus waves and energetic electrons during two small storm periods: 1 November 2012 (Dst≈-45) and 14 January 2013 (Dst≈-18). The Van Allen Probes simultaneously observed strong chorus waves at locations L = 5.8-6.3, with a lower frequency band 0.1-0.5fce and a peak spectral density 10-4 nT2/Hz. In the same period, the fluxes and anisotropy of energetic (10-300 keV) electrons were greatly enhanced in the interval of large negative interplanetary magnetic field Bz. Using a bi-Maxwellian distribution to mo...

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Van Allen Probes observation and modeling of chorus excitation and propagation during weak geomagnetic activities

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