書誌事項
- タイトル別名
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- Holocene Sedimentary History of Kushu Lake in Hokkaido, Japan
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Diatom assemblages of sediments obtained from Kushu Lake were analyzed to clarify the local Holocene sedimentary history. The results are summarized in the following : 1) Before about 9000 y.B.P., Kushu Lake was originally a freshwater environment. 2) The first marine diatom zone (MD1 zone) was deposited on the bottom of the paleo-Kushu Bay between 8500 and 6000 y.B.P. 3) This site changed to the bottom of the paleo-Kushu Lagoon around 6000 y.B.P., as the result of the formation of a bay-mouth bar across the paleo- Kushu Bay. 4) The first Holocene regression resulted in a freshwater lake at about 4500 y.B.P. 5) The occurrence of "Mastogloia elliptica" between 7000 and 5000 y.B.P. suggested the influx of the Tsushima warm current into the Japan Sea.
収録刊行物
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- 名古屋大学加速器質量分析計業績報告書
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名古屋大学加速器質量分析計業績報告書 2 76-87, 1991-03
名古屋大学年代測定資料研究センター 天然放射性元素測定小委員会
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詳細情報
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- CRID
- 1390853649334470656
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- NII論文ID
- 110000475770
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- NII書誌ID
- AN10305282
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- HANDLE
- 2237/13187
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- IRDB
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用可