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Mo/W ratio as proxy for reconstruction of paleoredox conditions; Implication of sediments of the hypersaline Meedee Lake in the eastern Mediterranean Sea

Mo/W ratio as proxy for reconstruction of paleoredox conditions; Implication of sediments of the hypersaline Meedee Lake in the eastern Mediterranean Sea
Mo/W 比率作为重建古氧化还原条件的代理;
批准号:
22540478
负责人:
MURAYAMA Masafumi
金额:
$2.75万
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:
2010
资助国家:
日本
项目状态:
已结题
起止时间:
2010 至 2012

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中文摘要
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英文摘要
In order to grasp information and preservation status in deep hypersaline anoxic basins such as the Meedee Lake in the eastern Mediterranean Sea, a sediment core (3 m length) was recovered using special NSS sampling system. Drastic color changes in this sediment indicate that the depositional environment has been changed drastically such as oxic and anoxic conditions during the last 200 kyrs. Here we have validated the evidence of Mo/W ratio as proxy for reconstruction of paleoredox conditions. Specially, redox conditions appear to influence microfauna composition, highlighting the role of the redox state as a regulator of organic matter preservation and microfauna accumulations in this ancient hypersaline anoxic lake
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Deposition and transportation processes of organic materials along shelf to slope off Shikoku, southwestern Japan, inferred from stable and radioactive carbon isotope
从稳定和放射性碳同位素推断,有机物质沿陆架到日本西南部四国斜坡的沉积和运输过程
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [Murayama, M., Toyomura, K., Saka, K., Horikawa, K., Narita, H., Kato, Y]
通讯作者: Y
KH06-4 Leg.6 Research Group, Oxic and anoxic environments in the brine" MeedeeLake"the eastern Mediterranean Sea and its paleoceanographic significance
KH06-4 Leg.6研究组,东地中海“米迪湖”卤水的含氧和缺氧环境及其古海洋学意义
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [Murayama, M., Izumitani, N., Sagawa, T., Ikehara, M., Asahi, H., Nakamura, Y., Shirai, M., Ashi, J., Tokyuyama, H.and Chiyonobu, S]
通讯作者: S
KH06-5次航海乗船研究者一同, 堆積物から読み取る酸化・還元状態ー地中海と日本海を例としてー
KH06-5航次上的所有研究人员从沉积物中读取氧化和还原状态 - 以地中海和日本海为例 -
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [Ishizuka, O., Taylor, R.N., Yuasa, M., Ohara, Y, 石田桂・楠慧子・大井剛志・河潟俊吾・IODP Expedition 317乗船研究者, 吉川顕正, 村山雅史,西田真輔 ,森島唯 ,宗林由樹]
通讯作者: 村山雅史,西田真輔 ,森島唯 ,宗林由樹
KH06-4 Leg.6研究者一同, 東地中海の塩水湖(Meedeelake)より採取された海洋コアの堆積環境の解明
KH06-4 Leg.6 研究人员阐明了从东地中海咸水湖 (Meedeelake) 收集的海洋岩心的沉积环境
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [泉谷直希, 村山雅史, 佐川拓也, 池原実, 朝日博史, 中村恭之, 白井正明, 芦寿一郎,徳山英一, 北里洋]
通讯作者: 北里洋
18
    Calculated reservoir ages using paired AMS ^<14>C and MC-ICP-MS U-Th dating of foraminifera test, implications for paleoceanography
    • 批准号:
      17540443
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.37万
    • 财政年份:
      2005
    • 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:
    海外基金