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Penetration of magnetosonic waves into the plasmasphere observed by the Van Allen Probes

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成果类型:
期刊论文
作者:
Xiao, Fuliang*;Zhou, Qinghua;He, Yihua;Yang, Chang;Liu, Si;...
通讯作者:
Xiao, Fuliang
作者机构:
[Yang, Chang; Xiao, Fuliang; Zhou, Qinghua; He, Yihua; Liu, Si] 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.
[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.
[Funsten, H. O.] Los Alamos Natl Lab, ISR Div, 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:
Van Allen Probe results;magnetosonic waves;wave-particle interaction;proton ring distribution;radiation belts;geomagnetic storms
期刊:
GEOPHYSICAL RESEARCH LETTERS
ISSN:
0094-8276
年:
2015
卷:
42
期:
18
页码:
7287-7294
基金类别:
973 ProgramNational Basic Research Program of China [2012CB825603]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41531072, 41274165, 41404130, 41204114]; Aid Program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province; JHU/APL under NASA [921647, 967399, NAS5-01072]; U.S. Department of EnergyUnited States Department of Energy (DOE); Los Alamos LDRD program
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 small storm on 14-15 April 2014, Van Allen Probe A measured a continuously distinct proton ring distribution and enhanced magnetosonic (MS) waves along its orbit outside the plasmapause. Inside the plasmasphere, strong MS waves were still present but the distinct proton ring distribution was falling steeply with distance. We adopt a sum of subtracted bi-Maxwellian components to model the observed proton ring distribution and simulate the wave trajectory and growth. MS waves at first propagate toward lower L shells outside the plasmas...

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