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Characteristics of CNA associated with geomagnetic sudden commencements
https://doi.org/10.15094/00004060
https://doi.org/10.15094/00004060053a5342-e1a7-46b2-b2b2-afa758e46984
名前 / ファイル | ライセンス | アクション |
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KJ00000035991 (1.5 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1989-11-01 | |||||
タイトル | ||||||
タイトル | Characteristics of CNA 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 | 10.15094/00004060 | |||||
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× Araki, Tohru× Iyemori, Toshihiko× Sato, Natsuo× Ayukawa, Masaru |
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著者所属(英) | ||||||
en | ||||||
Department of Physics, School of Liberal Arts, Asahi University/Data Analysis Center for Geomagnetism and Spacemagnetism, Faculty of Science, Kyoto University/Data Analysis Center for Geomagnetism and Spacemagnetism, Faculty of Science, Kyoto 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 order to clarify the characteristics of cosmic radio noise absorption (CNA) associated with geomagnetic sudden commencements (SC's), 142 SC events were analyzed with 1-second data observed at Syowa Station from April 1981 to December 1986. Local time dependence can be seen in the SC occurrence rate and average intensity of CNA increase. The occurrence rate is highest near midday and shows a secondary small peak near midnight. The average intensity is strong in the daytime and also near midnight. A strong absorption occurs at the time of large SC's with high pre-SC AE index. The intensity of CNA increase tends to be stronger as the rise time of CNA is shorter. Furthermore, it tends to be stronger when the absolute value of the ratio of vertical component to horizontal component for magnetic SC preliminary impulse at Syowa Station is smaller. | |||||
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 2, p. 15-24, 発行日 1989-11 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |