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Downslope movement of solifluction lobes in iceland: a tephrostratigraphic approach
http://hdl.handle.net/10748/3592
http://hdl.handle.net/10748/3592498d6bbe-8dc9-4310-b369-8f60f81e861e
名前 / ファイル | ライセンス | アクション |
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20005-24-004.pdf (2.4 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2010-11-30 | |||||
タイトル | ||||||
タイトル | Downslope movement of solifluction lobes in iceland: a tephrostratigraphic approach | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | solifluction lobe | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | tephrostratigraphy | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | moving rate of solifluction lobe | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | rolling over phenomena | |||||
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 | |||||
著者 |
Hirakawa, Kazuomi
× Hirakawa, Kazuomi |
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著者(ヨミ) |
ヒラカワ, カズオミ
× ヒラカワ, カズオミ |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Excavatins of the turf-banked solifluction lobe at 28 localities in Iceland have revealed dislocated and deformed volcanic ash layers composing solifluction lobes. Tephrostratigraphy and tephrochronology present much information about the rate and the mechanism of downslope movement of solifluction lobe which probably extends over the last 7,000 years. Downslope movement during the period between ca. 4,000 yBP and 2,000 yBP was faster than that in the last 900 years. The rate of downslope movement of solifluction lobe front is strongly associated with the gradients of slopes. However, environmental conditions, particularly those related to the existence of permafrost may have been favorable for the downslope movement. Concerning the mechanism of movement, the solifluction lobes have not moved as a slab slide, but as a viscous flows, because no shear plane was found. | |||||
書誌情報 |
Geographical Reports of Tokyo Metropolitan University 号 24, p. 15-30, 発行日 1989 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 03868710 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00200173 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | Department of Geography, Tokyo Metropolitan University |