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Generation of Lower L Shell Dayside Chorus by Energetic Electrons From the Plasma Sheet

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成果类型:
期刊论文
作者:
He, Yihua*;Xiao, Fuliang*;Su, Zhenpeng;Zheng, Huinan;Yang, Chang;...
通讯作者:
He, Yihua;Xiao, Fuliang
作者机构:
[Su, Zhenpeng; Zheng, Huinan; He, Yihua] Univ Sci & Technol China, Dept Geophys & Planetary Sci, CAS Key Lab Geospace Environm, Hefei, Anhui, Peoples R China.
[Yang, Chang; Xiao, Fuliang; He, Yihua; Liu, Si; Zhou, Qinghua] Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha, Hunan, Peoples R China.
[Su, Zhenpeng; Zheng, Huinan; He, Yihua] Univ Sci & Technol China, Collaborat Innovat Ctr Astronaut Sci & Technol, Hefei, Anhui, Peoples R China.
[He, Yihua] Univ Sci & Technol China, Sch Earth & Space Sci, Mengcheng Natl Geophys Observ, Hefei, Anhui, Peoples R China.
通讯机构:
[He, Yihua] U
[He, YH; Xiao, FL] C
Univ Sci & Technol China, Dept Geophys & Planetary Sci, CAS Key Lab Geospace Environm, Hefei, Anhui, Peoples R China.
Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha, Hunan, Peoples R China.
Univ Sci & Technol China, Collaborat Innovat Ctr Astronaut Sci & Technol, Hefei, Anhui, Peoples R China.
语种:
英文
关键词:
Van Allen Probes;dayside chorus generation;radiation belt;wave-particle interaction
期刊:
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
ISSN:
2169-9380
年:
2018
卷:
123
期:
10
页码:
8109-8121
基金类别:
This work was supported by the National Natural Science Foundation of China grants 41531072, 41422405, 41674166, and 41504125; the Chinese Academy of Sciences grants KZCX2-EW-QN510 and KZZD-EW-01-4; the CAS Key Research Program of Frontier Sciences grant QYZDB-SSW-DQC015; and the Fundamental Research Funds for the Central Universities WK2080000077. The Van Allen Probes data are available at http://emfisis.physics.uiowa.edu/ Flight/ by the EMFISIS suite and at https://www.rbsp-ect.lanl.gov/data_pub/ by the HOPE and MagEIS instruments. The OMNI data are obtained from ftp://spdf.gsfc.nasa.gov/pub/data/omni/.
机构署名:
本校为通讯机构
院系归属:
物理与电子科学学院
摘要:
Currently, the generation mechanism for the lower L shell dayside chorus has still remained an open question. Here we report two storm events: 6–7 March 2016 and 20–21 January 2016, when Van Allen Probes observed enhanced dayside chorus with lower and higher wave normal angles (the angles between the wave vector and the geomagnetic field) in the region of L = 3.5–6.3 and MLT = 5.6–13.5. Hot and energetic (∼ 1–100 keV) electrons displayed enhancements in fluxes and anisotropy when they were injected from the plasma sheet and drifted from m...

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