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GEOCHEMICAL CHARACTERISTICS OF ORGANIC COMPOUNDS IN A PERMAFROST SEDIMENT CORE SAMPLE FROM NORTHEAST SIBERIA, RUSSIA
https://doi.org/10.15094/00002803
https://doi.org/10.15094/00002803287aa80f-a16a-420d-8319-61a76983112b
名前 / ファイル | ライセンス | アクション |
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KJ00002368433 (1.2 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1995-09-01 | |||||
タイトル | ||||||
タイトル | GEOCHEMICAL CHARACTERISTICS OF ORGANIC COMPOUNDS IN A PERMAFROST SEDIMENT CORE SAMPLE FROM NORTHEAST SIBERIA, RUSSIA | |||||
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 | |||||
ID登録 | ||||||
ID登録 | 10.15094/00002803 | |||||
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 | GEOCHEMICAL CHARACTERISTICS OF ORGANIC COMPOUNDS IN A PERMAFROST SEDIMENT CORE SAMPLE FROM NORTHEAST SIBERIA, RUSSIA | |||||
著者名よみ |
マツモト, ゲンキ
× マツモト, ゲンキ× / |
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著者名(英) |
MATSUMOTO, Genki I.
× MATSUMOTO, Genki I.× FRIEDMANN, E. Imre× GILICHINSKY, David A. |
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著者所属(英) | ||||||
en | ||||||
Department of Environmental Information Science, School of Social Information Studies, Otsuma Women's University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Biological Science, Florida State University | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Soil Science and Photosynthesis, Russian Academy of Sciences | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | We studied total organic carbon (TOC), hydrocarbons and fatty acids in a permafrost sediment core sample (well 6-90,length 32.0m, 1.5-2.5Ma BP) from northeast Siberia (approximately 70°N, 158°E), Russia, to elucidate their geochemical features in relation to source organisms and paleoenvironmental conditions. Long-chain n-alkanes and n-alkanoic acids (>C_<19>) were most predominant hydrocarbons and fatty acids, respectively, so organic matter in the sediment core was derived mainly from vascular plants and, to a much smaller extent, from bacteria. Low concentrations of unsaturated fatty acids revealed that organic matter in the sediment core was considerably degraded during and/or after sedimentation. The predominance of vascular plant components, the major ionic components of nonmarine sources, and geological data strongly implied that the sediment layers were formed in shallow lacustrine environments, such as swamp with large influences of tundra or forest-tundra vegetation. Also, no drastic changes in paleoenvironmental conditions for biological activity or geological events, such as sea transgressions or ice-sheet influences, occurred at the sampling site approximately 100km from the coast of the East Siberian Sea during the late Pliocene and early Pleistocene periods. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA1072335X | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Antarctic Geosciences 巻 8, p. 258-267, 発行日 1995-09 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |