Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2021GL092664 |
Evidence of sub‐MeV EMIC‐driven trapped electron flux dropouts from GPS observations | |
A. T. Hendry; C. J. Rodger; M. A. Clilverd; S. K. Morley | |
2021-04-18 | |
发表期刊 | Geophysical Research Letters
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出版年 | 2021 |
英文摘要 | For many years, it was believed that resonant interactions between electromagnetic ion cyclotron (EMIC) waves and radiation belt electrons were restricted to electron energies > 1 − 2 MeV. In recent years, however, a growing body of experimental evidence has shown that EMIC waves can cause the scattering loss of electrons down to sub‐MeV energies. Using measurements of trapped electron flux from the GPS satellite constellation, we investigate the ability of EMIC waves to cause significant depletions of radiation belt electron populations between 4 ≤ L* ≤ 5. For the first time, we present statistical evidence demonstrating global decreases in sub‐MeV trapped electron flux in response to EMIC wave activity. Although we find that electron losses extend down to sub‐MeV energies, we also show strong statistical support for the ability of EMIC waves to preferentially cause substantial depletions of ultra‐relativistic electrons in the radiation belts. |
领域 | 气候变化 |
URL | 查看原文 |
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/322819 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | A. T. Hendry,C. J. Rodger,M. A. Clilverd,等. Evidence of sub‐MeV EMIC‐driven trapped electron flux dropouts from GPS observations[J]. Geophysical Research Letters,2021. |
APA | A. T. Hendry,C. J. Rodger,M. A. Clilverd,&S. K. Morley.(2021).Evidence of sub‐MeV EMIC‐driven trapped electron flux dropouts from GPS observations.Geophysical Research Letters. |
MLA | A. T. Hendry,et al."Evidence of sub‐MeV EMIC‐driven trapped electron flux dropouts from GPS observations".Geophysical Research Letters (2021). |
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