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CNA pulsations associated with geomagnetic sudden commencements
https://doi.org/10.15094/00004101
https://doi.org/10.15094/00004101331dd852-3682-4979-bd6d-9151a31baf92
名前 / ファイル | ライセンス | アクション |
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KJ00000036032 (1.2 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1991-06-01 | |||||
タイトル | ||||||
タイトル | CNA pulsations associated with geomagnetic sudden commencements | |||||
言語 | ||||||
言語 | eng | |||||
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 | 10.15094/00004101 | |||||
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) |
Nagano, Hiroshi
× Nagano, Hiroshi× Sato, Natsuo× Ayukawa, Masaru |
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著者所属(英) | ||||||
en | ||||||
Department of Physics,School of Liberal Arts, Asahi University/ National Institute of Polar Research/National Institute of Polar Research | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | In the cosmic radio noise absorption (CNA) data obtained by a riometer at Syowa Station, CNA pulsations were sometimes observed following geomagnetic sudden commencements (SC's). In order to investigate characteristics of the occurrence, 138 SC events were analyzed using 1-second CNA and geomagnetic data at Syowa Station from April 1981 to December 1986. Local time dependence can be seen in the SC-associated CNA pulsation (CNA Psc). The occurrence rate is highest in the morning and has a secondary peak before midnight, that is to say, it shows a marked dawn-dusk asymmetry. CNA Psc accompanies geomagnetic Psc at the time of strong CNA increase caused by large SC's with high pre-SC AE index. Furthermore, CNA Psc tends to be more correlated with the H component of magnetic Psc in the Psc 5 period range and the D component for shorter period in the Psc 4 range. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10756224 | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Upper Atmosphere Physics 巻 4, p. 42-50, 発行日 1991-06 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |