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Evolution of the ring current energy during May 2-4, 1998 magnetic storm
https://doi.org/10.15094/00006386
https://doi.org/10.15094/00006386bf14cff5-e9aa-4fc6-b2ca-b8770c8d199b
名前 / ファイル | ライセンス | アクション |
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KJ00000729623 (158.9 kB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2004-08-01 | |||||
タイトル | ||||||
タイトル | Evolution of the ring current energy during May 2-4, 1998 magnetic storm | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | ring current | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | magnetic storms | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | substorm-associated electric fields | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00006386 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Ganushkina, Natalia Yu.
× Ganushkina, Natalia Yu.× Korhonen, Jussi× Pulkkinen, Tuija I.× Ebihara, Yusuke× Ejiri, Masaki× Fritz, Ted |
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著者所属(英) | ||||||
en | ||||||
Finnish Meteorological Institute, Geophysical Research Division/University of Helsinki/Finnish Meteorological Institute, Geophysical Research Division/National Institute of Polar Research/National Institute of Polar Research/Boston University, Department of Astronomy | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | We study the evolution of the ring current energy density during May 2-4, 1998 storm event as measured by Polar CAMMICE/MICS instrument and modelled by proton tracing in the guiding center approximation. Particle data from Polar shows that during the storm main phase protons with medium energies (20-80 keV) contribute more to the total ring current energy than the high energy protons (80-200 keV) whereas during the recovery phase high energies dominate. We trace protons with arbitrary pitch angles numerically in the guiding center approximation taking into account charge-exchange losses. Tracing is performed in the large-scale and smaller-scale time-dependent magnetic and electric field models. We model the substorm activity by several electric field pulses at times of the substorm onsets. It is shown that impulsive electric fields associated with substorms are effective in the proton transport and energization to higher energies more than 100 keV in the storm time ring current. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11397422 | |||||
書誌情報 |
Advances in polar upper atmosphere research 巻 18, p. 111-119, 発行日 2004-08 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |