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Calculated reservoir ages using paired AMS ^<14>C and MC-ICP-MS U-Th dating of foraminifera test, implications for paleoceanography

Calculated reservoir ages using paired AMS ^<14>C and MC-ICP-MS U-Th dating of foraminifera test, implications for paleoceanography
使用配对 AMS ^<14>C 和 MC-ICP-MS U-Th 定年有孔虫测试计算储层年龄,对古海洋学的影响
批准号:
17540443
负责人:
MURAYAMA Masafumi
金额:
$2.37万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2005
资助国家:
日本
项目状态:
已结题
起止时间:
2005 至 2007

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项目成果

MURAYAMA Masafumi的其他基金

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中文摘要
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英文摘要
AMS14C age of planktonic foraminifera from core samples must be corrected for differences between the 14C age of surface water and the contemporaneous atmosphere prior to calculation of a calendar age. This is because the waters of the deep ocean are out of equilibrium with respect to the atmosphere causing marine carbon-containing material to appear older than material formed in equilibrium with the atmosphere. Reservoir ages have been calculated using paired AMS 14C and MC-ICP-MS U-Th dating of small amounts of foraminifera tests from the eastern equatorial Pacific. The results show a marked reduction in reservoir age during 50 kyrs.
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Profiles of volumetric water content in fault zones retrieved from hole B of the Taiwan Chelungpu-fault Drilling Project (TCDP)
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DOI: --
发表时间: 2008
期刊: Geophys. Res. Lett Vol.34
影响因子: --
作者: [Lin Weiren, Matsubayashi O., Yeh E-C, Hirono T., Tanikawa, W., Soh, W., C-Y. Wang, S-R. Song, Murayama, M.]
通讯作者: M.
DOI: --
发表时间: 2007
期刊:
影响因子: --
作者: [Ikehara, M., Hatakeyama, E., Nishigawa, M. and Muravama, M.]
通讯作者: M.
Geochronology and paleoceanographic history of Quaternary sediments from southwestern part of Pacific-Antarctic Ridge, the Ross Sea, Antarctica.
南极洲罗斯海太平洋-南极海脊西南部第四纪沉积物的年代学和古海洋学历史。
DOI: --
发表时间: 2006
期刊:
影响因子: --
作者: [Murayama, M., Yagi, Y., Mishima, T., Horikawa, K., Sagawa, T., Kodama, K., Kato, Y., and Minagawa]
通讯作者: and Minagawa
高知県仁淀村に分布する鳥巣石灰岩のストロンチウム同位体年代
高知县仁淀村分布的鸟栖石灰岩的锶同位素年龄
DOI: --
发表时间: 2005
期刊: 地質学雑誌 111
影响因子: --
作者: [白石史人, 早坂康隆, 高橋嘉夫, 谷水雅治, 石川剛志, 松岡淳, 村山雅史, 狩野彰宏]
通讯作者: 狩野彰宏
34
    Mo/W ratio as proxy for reconstruction of paleoredox conditions; Implication of sediments of the hypersaline Meedee Lake in the eastern Mediterranean Sea
    • 批准号:
      22540478
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.75万
    • 财政年份:
      2010
    • 负责人:
      MURAYAMA Masafumi
    • 依托单位:
    Carbon and Oxygen isotope equilibrium between foraminifera test and sea water, its implications for paleoceanography
    • 批准号:
      13440155
    • 项目类别:
      Grant-in-Aid for Scientific Research (B)
    • 资助金额:
      $9.54万
    • 财政年份:
      2001
    • 负责人:
      MURAYAMA Masafumi
    • 依托单位: