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Cosmic noise absorption at South Pole and Frobisher Bay: Initial results
https://nipr.repo.nii.ac.jp/records/2182
https://nipr.repo.nii.ac.jp/records/21827ee6aa8d-e045-43aa-b647-2659095d9b8f
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000012735.pdf (1.3 MB)
|
Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 1987-08-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Cosmic noise absorption at South Pole and Frobisher Bay: Initial results | |||||
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) |
Rosenberg, T.J.
× Rosenberg, T.J. |
|||||
著者所属(英) | ||||||
en | ||||||
Institute for Physical Science and Technology, University of Maryland | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | A 30MHz riometer was installed at Frobisher Bay, Canada, in July 1985 to enable conjugate studies of cosmic noise absorption (CNA) phenomena to be performed in conjunction with observations from Amundsen-Scott South Pole station. The riometer data reveal a variety of temporal associations between disturbances appearing in opposite hemispheres which are generally consistent with observations at these sites reported previously. These include events with simultaneous onsets and similar time variations, closely similar events but with onset times and absorption maxima differing by several minutes, and absorption events appearing in one hemisphere only. For the present data set, however, fluxgate magnetometer data from both locations aid in interpreting the observed phenomena. In particular, absorption events and intense electrojet currents in the dusk sector were found to occur preferentially in one hemisphere (mainly at the South Pole during the period July-September examined here). Because the magnetometer can sense the presence of electrojets far from its immediate vicinity, these cases appear to be evidence of nonconjugate electron precipitation (perhaps occurring on open field lines) or of the severe distortion of the magnetic field line topology in this local time region. Absorption in the noon sector is characterized by long-period modulations in the Pc 5-6 range. | |||||
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 48, p. 161-170, 発行日 1987-08 |