Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2016GL072258 |
Multi-MeV electron loss in the heart of the radiation belts | |
Shprits, Yuri Y.1,2,3; Kellerman, Adam2,3; Aseev, Nikita1; Drozdov, Alexander Y.2,3; Michaelis, Ingo1 | |
2017-02-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:3 |
文章类型 | Article |
语种 | 英语 |
国家 | Germany; USA |
英文摘要 | Significant progress has been made in recent years in understanding acceleration mechanisms in the Earth's radiation belts. In particular, a number of studies demonstrated the importance of the local acceleration by analyzing the radial profiles of phase space density (PSD) and observing building up peaks in PSD. In this study, we focus on understanding of the local loss using very similar tools. The profiles of PSD for various values of the first adiabatic invariants during the previously studied 17 January 2013 storm are presented and discussed. The profiles of PSD show clear deepening minimums consistent with the scattering by electromagnetic ion cyclotron waves. Long-term evolution shows that local minimums in PSD can persist for relatively long times. During considered interval of time the deepening minimums were observed around L* = 4 during 17 January 2013 storm and around L* = 3.5 during 1 March 2013 storm. This study shows a new method that can help identify the location, magnitude, and time of the local loss and will help quantify local loss in the future. This study also provides additional clear and definitive evidence that local loss plays a major role for the dynamics of the multi-MeV electrons. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000396115000002 |
WOS关键词 | VAN ALLEN PROBES ; RELATIVISTIC ELECTRONS ; GEOMAGNETIC STORMS ; ULTRARELATIVISTIC ELECTRONS ; LOSS MECHANISMS ; MODEL ; WAVES ; ACCELERATION ; DIFFUSION ; ZONE |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/27219 |
专题 | 气候变化 |
作者单位 | 1.German Res Ctr Geosci, Helmholtz Ctr Potsdam, GFZ, Potsdam, Germany; 2.Univ Potsdam, Inst Phys & Astron, Potsdam, Germany; 3.Univ Calif Los Angeles, Dept Earth Planetary & Space Sci, Los Angeles, CA USA |
推荐引用方式 GB/T 7714 | Shprits, Yuri Y.,Kellerman, Adam,Aseev, Nikita,et al. Multi-MeV electron loss in the heart of the radiation belts[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(3). |
APA | Shprits, Yuri Y.,Kellerman, Adam,Aseev, Nikita,Drozdov, Alexander Y.,&Michaelis, Ingo.(2017).Multi-MeV electron loss in the heart of the radiation belts.GEOPHYSICAL RESEARCH LETTERS,44(3). |
MLA | Shprits, Yuri Y.,et al."Multi-MeV electron loss in the heart of the radiation belts".GEOPHYSICAL RESEARCH LETTERS 44.3(2017). |
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