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Storm Time Evolution of Outer Radiation Belt Relativistic Electrons by a Nearly Continuous Distribution of Chorus

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成果类型:
期刊论文
作者:
Yang, Chang;Xiao, Fuliang*;He, Yihua;Liu, Si;Zhou, Qinghua;...
通讯作者:
Xiao, Fuliang
作者机构:
[Zhao, Wanli; Yang, Chang; Xiao, Fuliang; He, Yihua; Liu, Si; Zhou, Qinghua; Guo, Mingyue] Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha, Hunan, Peoples R China.
[Yang, Chang; He, Yihua] Univ Sci & Technol China, Dept Geophys & Planetary Sci, Hefei, Anhui, Peoples R China.
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:
outer radiation belt;whistler mode chorus wave;energetic electron;wave-particle interaction;geomagnetic storm
期刊:
GEOPHYSICAL RESEARCH LETTERS
ISSN:
0094-8276
年:
2018
卷:
45
期:
5
页码:
2159-2167
基金类别:
This work is supported by the National Natural Science Foundation of China grants 41774194, 41504125, 41531072, and 41674166 and the Construct Program of the Key Discipline in Hunan Province. We thank J. H. King, N. Papatashvilli, and CDAWeb for the use of magnetospheric indices and acknowledge the University of Iowa as the source for the EMFISIS data (this acknowledgment does not imply endorsement of the publication by the University of Iowa or its researchers). We acknowledge H. Spence, G. Reeves, D. Baker, S. Kanekal, and A. Jaynes for the use of ECT data. Data are available at the following websites: http://cdaweb.gsfc.nasa.gov/cdaweb/ istp_public/ (geomagnetic activity indices), http://emfisis.physics.uiowa.edu/Flight/ (EMFISIS), and http://www.RBSP-ect. lanl.gov/ (ECT).
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:
During the 13–14 November 2012 storm, Van Allen Probe A simultaneously observed a 10 h period of enhanced chorus (including quasi-parallel and oblique propagation components) and relativistic electron fluxes over a broad range of L = 3–6 and magnetic local time = 2–10 within a complete orbit cycle. By adopting a Gaussian fit to the observed wave spectra, we obtain the wave parameters and calculate the bounce-averaged diffusion coefficients. We solve the Fokker-Planck diffusion equation to simulate flux evolutions of relativistic (1.8–4.2 MeV) electro...

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