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Characteristics of shallow marine flood sediments by organic carbon analyses, examples from shelf sediments off Hidaka, southern Hokkaido, after the 2003 typhoon no.10
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- Ikehara Ken
- Research Institute of Geology and Geoinformation, Geological Survey of Japan, AIST
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- Katayama Hajime
- Research Institute of Geology and Geoinformation, Geological Survey of Japan, AIST
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- Omura Akiko
- JSPS Graduate School of Frontier Science, The University of Tokyo
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- Irino Tomohisa
- Faculty of Environmental Earth Science, Hokkaido University
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- Sagayama Tsumoru
- Geological Survey of Hokkaido HRO Present address: NPO Hokkaido Research Center of Geology
Bibliographic Information
- Other Title
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- 有機炭素分析による沿岸域に記録された洪水堆積物の特徴
- 有機炭素分析による沿岸域に記録された洪水堆積物の特徴 : 2003年台風10号,北海道日高沖陸棚の例
- ユウキ タンソ ブンセキ ニ ヨル エンガンイキ ニ キロク サレタ コウズイ タイセキブツ ノ トクチョウ : 2003ネン タイフウ 10ゴウ,ホッカイドウ ヒダカオキ リクダナ ノ レイ
- －2003年台風10号，北海道日高沖陸棚の例－
- Published
- 2017-05-15
- Resource Type
- journal article
- DOI
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- 10.5575/geosoc.2017.0002
- Publisher
- The Geological Society of Japan
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Description
<p>We conducted an organic carbon analysis of flood sediments from the 2003 typhoon no. 10 off Hidaka, southern Hokkaido. Flood-induced sediments from the river mouth, inner shelf, outer shelf, and upper slope are rich in terrigenous organic carbon. Four years after the typhoon, flood sediments were found preserved in a topographic depression on the inner shelf, within an area protected from waves and currents. Stratigraphic variations in terrigenous organic carbon ratios in flood sediments from the depression reflect changes in river discharge with rainfall during the flood. Our results indicate that terrigenous material from the river mouth was continuously supplied and deposited on the shelf. These stratigraphic variations in the terrigenous organic carbon ratio could be significant in ongoing attempts to discriminate flood sediments from ancient turbidite successions.</p>
Journal
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- The Journal of the Geological Society of Japan
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The Journal of the Geological Society of Japan 123 (5), 321-333, 2017-05-15
The Geological Society of Japan
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Details 詳細情報について
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- CRID
- 1390282681216182912
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- NII Article ID
- 130005858636
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- NII Book ID
- AN00141768
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- ISSN
- 13499963
- 00167630
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- NDL BIB ID
- 028308924
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- Text Lang
- ja
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- Article Type
- journal article
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- KAKEN
- OpenAIRE
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- Abstract License Flag
- Disallowed
