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Permafrost environment during the last glacial in east and north hokkaido, northernmost japan
http://hdl.handle.net/10748/3605
http://hdl.handle.net/10748/3605896e36fc-315b-46c5-9305-8a4f9b9e1082
名前 / ファイル | ライセンス | アクション |
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20005-25-015.pdf (747.9 kB)
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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 | Permafrost environment during the last glacial in east and north hokkaido, northernmost japan | |||||||
言語 | ||||||||
言語 | eng | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | permafrost environment | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | periglacial phenomena | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | pollen analysis | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | freezing and thawing indicies | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | forest tundra | |||||||
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 | Permafrost environment during the Last Glacial in East and North Hokkaido was examined on the basis of monthly air temperature, the freezing and thawing indicies, and ice wedge casts, comparing them with fossil pollen evidence. The assumed annual mean temperature -8℃ is in great disagreement with field evidence in East Hokkaido. The annual mean temperature ca. -2℃ appears to be more reasonable. Continuous permafrost environment seems to have never occurred in East and North Hokkaido, or northernmost Japan, but discontinuous permafrost under the forest tundra occurred even in the coldest period of the Last Glacial. Ice wedge polygons could be formed under the discontinuous permafrost environment with extraordinarily cold winter, which characterized the climate of northernmost Japan. | |||||||
書誌情報 |
Geographical Reports of Tokyo Metropolitan University 号 25, p. 155-165, 発行日 1990 |
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収録物識別子タイプ | ISSN | |||||||
収録物識別子 | 03868710 | |||||||
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収録物識別子タイプ | NCID | |||||||
収録物識別子 | AA00200173 | |||||||
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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 |