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Features of seismic waves recorded by seismic exploration in 2002: Responses from valley structure of the bedrock beneath Mizuho Plateau
https://doi.org/10.15094/00003140
https://doi.org/10.15094/00003140bc318719-5944-4bd5-8bc8-8ef2119ef11e
名前 / ファイル | ライセンス | アクション |
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KJ00000712307 (6.4 MB)
|
Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2004-10-01 | |||||
タイトル | ||||||
タイトル | Features of seismic waves recorded by seismic exploration in 2002: Responses from valley structure of the bedrock beneath Mizuho Plateau | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Mizuho Plateau | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | seismic waveforms, stacking | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | frequency content | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | valley structure | |||||
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 | 10.15094/00003140 | |||||
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) | |||||
論文名よみ | ||||||
その他のタイトル | Features of seismic waves recorded by seismic exploration in 2002: Responses from valley structure of the bedrock beneath Mizuho Plateau | |||||
著者名(英) |
Yamada, Akira
× Yamada, Akira× Kanao, Masaki× Yamashita, Mikiya |
|||||
著者所属(英) | ||||||
en | ||||||
Geodynamics Research Center, Ehime University | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Polar Science, The Graduate University for Advanced Studies | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Seismic waves from natural sources were recorded in seismic exploration experiments in January 2002 by the 43rd Japanese Antarctic Research Expedition (JARE-43). Three kinds of seismic waves were recorded: (1) a teleseismic event occurred in the Kermadec Is. region, (2) local icequakes and (3) an unidentified event. The teleseismic waves show high signal-to-noise ratio in spite of the small magnitude of the event: this indicates that it is highly feasible to study not only the local shallow structure but also the deep structure of the earth by using teleseismic events. Frequency spectra of the waveforms show discordances along the observation line. The 2.0 Hz frequency component is very small in waveforms recorded by stations in the middle part of the observation line. On the other hand, the 1.5, 3.0 and 5.0 Hz frequency components are large in the records of these stations. These stations are located just above the valley topography of the interface between the ice sheet and the upper crust, which has been revealed by JARE-41 and JARE-43 seismological experiments. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA1130866X | |||||
書誌情報 |
Polar geoscience 巻 17, p. 139-155, 発行日 2004-10 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |