DOI: 10.1002/2015GL065737
论文题名: Comparison of simulated and observed trapped and precipitating electron fluxes during a magnetic storm
作者: Chen M.W. ; Lemon C.L. ; Orlova K. ; Shprits Y. ; Hecht J. ; Walterscheid R.L.
刊名: Geophysical Research Letters
ISSN: 0094-9308
EISSN: 1944-9039
出版年: 2015
卷: 42, 期: 20 起始页码: 8302
结束页码: 8311
语种: 英语
英文关键词: electron loss
; M-I coupling
; magnetic storms
; precipitating electrons
; ring current electrons
; simulations
Scopus关键词: Atmospherics
; Geomagnetism
; Ionosphere
; Ionospheric measurement
; Magnetism
; Magnetosphere
; Orbits
; Parameterization
; Electron distributions
; Electron loss
; Los Alamos National Laboratory
; Magnetic storms
; Pitch-angle scattering
; Rice convection models
; Ring currents
; simulations
; Electrons
; comparative study
; coupling
; electron
; flux measurement
; geomagnetic storm
; ionosphere
; magnetosphere
; NOAA satellite
; parameterization
; precipitation (climatology)
; satellite data
; scattering
; thermosphere
英文摘要: The ability to accurately model precipitating electron distributions is crucial for understanding magnetosphere-ionosphere-thermosphere coupling processes. We use the magnetically and electrically self-consistent Rice Convection Model-Equilibrium (RCM-E) of the inner magnetosphere to assess how well different electron loss models can account for observed electron fluxes during the large 10 August 2000 magnetic storm. The strong pitch angle scattering rate produces excessive loss on the morning and dayside at geosynchronous orbit (GEO) compared to what is observed by a Los Alamos National Laboratory satellite. RCM-E simulations with parameterized scattering due to whistler chorus outside the plasmasphere and hiss inside the plasmasphere are able to account simultaneously for trapped electron fluxes at 1.2 keV to ~100 keV observed at GEO and for precipitating electron fluxes and electron characteristic energies in the ionosphere at 833 km measured by the NOAA 15 satellite. Key Points Strong scattering produces excessive loss on the morning and dayside Parameterized scattering due to waves accounts for electron fluxes at GEO Parameterized loss model consistent with observed precipitating electron fluxes © 2015. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84946593101&doi=10.1002%2f2015GL065737&partnerID=40&md5=8e73277137cd8e35d9c481a4c9a11c5a
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8924
Appears in Collections: 科学计划与规划 气候变化与战略
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作者单位: Aerospace Corporation, El Segundo, CA, United States
Recommended Citation:
Chen M.W.,Lemon C.L.,Orlova K.,et al. Comparison of simulated and observed trapped and precipitating electron fluxes during a magnetic storm[J]. Geophysical Research Letters,2015-01-01,42(20).