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DOI | 10.1029/2019GL085373 |
Properties of Localized Precipitation of Energetic Protons Equatorward of the Isotropic Boundary | |
Semenova, N., V1; Yahnin, A. G.1; Yahnina, T. A.1; Demekhov, A. G.1,2 | |
2019-10-18 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2019 |
文章类型 | Article;Early Access |
语种 | 英语 |
国家 | Russia |
英文摘要 | Using National Oceanic and Atmospheric Administration Polar Orbiting Environmental Satellite (NOAA/POES) observations of energetic protons, we for the first time investigated statistical properties of a specific type of particle precipitation-localized precipitation of energetic protons (LPEP) equatorward of the isotropy boundary. The maximum occurrence rate was found in the day-afternoon sector at L > 6. The maximum precipitating flux is found at lower L shells (L = 4-5). The dependence of LPEP occurrence and intensity on the geomagnetic activity indices and solar wind parameters is investigated. In particular, while the precipitating proton flux increases with geomagnetic activity everywhere, the occurrence rate in the day-afternoon sector at L > 6 decreases under the strongest activity. We conclude that revealed LPEP properties are mostly similar to those obtained for electromagnetic ion cyclotron waves on the basis of data from previous spacecraft missions. This similarity supports the suggestion on LPEP as the result of ion cyclotron instability in the magnetosphere. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000491378700001 |
WOS关键词 | ION-CYCLOTRON WAVES ; VAN ALLEN PROBES ; EMIC WAVES ; GEOMAGNETIC-PULSATIONS ; MAGNETIC STORM ; MAGNETOSPHERE ; PC1 ; DISTRIBUTIONS ; FEATURES ; NOAA |
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/187708 |
专题 | 气候变化 |
作者单位 | 1.Polar Geophys Inst, Apatity, Russia; 2.RAS, Int Appl Phys, Nizhnii Novgorod, Russia |
推荐引用方式 GB/T 7714 | Semenova, N., V,Yahnin, A. G.,Yahnina, T. A.,et al. Properties of Localized Precipitation of Energetic Protons Equatorward of the Isotropic Boundary[J]. GEOPHYSICAL RESEARCH LETTERS,2019. |
APA | Semenova, N., V,Yahnin, A. G.,Yahnina, T. A.,&Demekhov, A. G..(2019).Properties of Localized Precipitation of Energetic Protons Equatorward of the Isotropic Boundary.GEOPHYSICAL RESEARCH LETTERS. |
MLA | Semenova, N., V,et al."Properties of Localized Precipitation of Energetic Protons Equatorward of the Isotropic Boundary".GEOPHYSICAL RESEARCH LETTERS (2019). |
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