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Simultaneous observation of geomagnetic sudden commencement above and below the ionosphere
https://nipr.repo.nii.ac.jp/records/1751
https://nipr.repo.nii.ac.jp/records/1751fcb1b3c5-bb32-4b46-a0fc-3ea997302f99
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000012383 (1.1 MB)
|
Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1985-07-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Simultaneous observation of geomagnetic sudden commencement above and below the ionosphere | |||||
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 | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Araki, Tohru
× Araki, Tohru× Iyemori, Toshihiko× Kamei, Toyohisa |
|||||
著者所属(英) | ||||||
en | ||||||
Data Analysis Center for Geomagnetism and Spacemagnetism, Faculty of Science, Kyoto University | ||||||
著者所属(英) | ||||||
en | ||||||
Data Analysis Center for Geomagnetism and Spacemagnetism, Faculty of Science, Kyoto University | ||||||
著者所属(英) | ||||||
en | ||||||
Data Analysis Center for Geomagnetism and Spacemagnetism, Faculty of Science, Kyoto University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | A geomagnetic sudden commencement (SC) was observed by the low altitude geomagnetic satellite, MAGSAT, when it was flying very closely above a ground station (Magadan in east Siberia, geomagnetic latitude=51.1°) in a duskside (16-17h LT) meridian. The H-component at the satellite showed a positive pulse of 52nT and the D-component a negative pulse of 43nT in the beginning part of the SC. The duration of the pulse was 2-3min. The SC observed by normal-run magnetographs at Magadan and other ground stations near the satellite orbit was preceded by a typical preliminary impulse (PI) of which sense is opposite to that of the pulse observed by MAGSAT. By the use of high time resolution data from the IMS magnetometer network Alaska chain, the pulse detected by MAGSAT was identified with the PI observed at the ground stations. It was concluded that the main source current for the PI flowed between the satellite and the ground, that is, in the ionosphere, but effects of other source currents including field aligned currents should be taken into account. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00733561 | |||||
書誌情報 |
Memoirs of National Institute of Polar Research. Special issue 巻 36, p. 114-122, 発行日 1985-07 |