Lake Sediments High-resolution Recorder of Environmental Changes. Organic Carbon Accumulation Rate During the Last 8,000 Years in Lake Nakaumi, Southwest Japan: Coastal Lagoon Sediments as Carbon Sink.

• Sampei Yoshikazu

  Department of Geoscience, Faculty of Science and Engineering, Shimane University

• Matsumoto Eiji

  Institute for Hydrospheric-Atmospheric Sciences, Nagoya University

• Tokuoka Takao

  Department of Geoscience, Faculty of Science and Engineering, Shimane University

• Inoue Daiei

  Abiko Research Laboratory CRIEPI

Bibliographic Information

Other Title

• 湖沼堆積物　地球環境変動の“高精度検出計”　（その１）　中海における過去８，０００年間の有機炭素埋積速度　Ｃａｒｂｏｎ　Ｓｉｎｋとしての汽水域堆積物
• ナカウミ ニ オケル カコ 8 000ネンカン ノ ユウキ タンソ マイセキ
• Coastal Lagoon Sediments as Carbon Sink
• Carbon sinkとしての汽水域堆積物

Abstract

The organic carbon (C_org.) accumulation rate and its relation to climate change during the last 8, 000 years as recorded in the sediment core from the semi-closed coastal lagoon Lake Nakaumi were reconstructed. High-resolution downcore profiles of ¹⁴C by fifteen shells enabled us to conclude that the C_org. accumulation rate in a warming climate (7, 000-7, 500cal yrs BP; Calendar age) was about two times higher than that in a cooling climate (2, 500-3, 000cal yrs BP). The coastal lagoon could provide a small negative feedback on global warming and an effective small sink (ca. 0.01 GtC yr^-1) for atmospheric CO₂.

Journal

• The Quaternary Research (Daiyonki-Kenkyu)

  The Quaternary Research (Daiyonki-Kenkyu) 35 (2), 113-124, 1996

  Japan Association for Quaternary Research

Keywords

• carbon sink

Details

• CRID: 1390282681473424640
• NII Article ID: 10002633636
• NII Article ID: 10007146086
• NII Book ID: AN0034136X
• DOI: 10.4116/jaqua.35.113
• ISSN: 18818129
• ISSN: 04182642
• ISSN: http://id.crossref.org/issn/04182642
• NDL BIB ID: 3984473
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I3984473
• Text Lang: ja
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed