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Remarkable negative feedback against Cretaceous Oceanic Anoxic Event : evidence from Southwestern Pacific region

Remarkable negative feedback against Cretaceous Oceanic Anoxic Event : evidence from Southwestern Pacific region
白垩纪海洋缺氧事件的显着负反馈:来自西南太平洋地区的证据
批准号:
20403016
负责人:
HASEGAWA Takashi
金额:
$8.07万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2008
资助国家:
日本
项目状态:
已结题
起止时间:
2008 至 2010

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中文摘要
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英文摘要
The horizon previously interpreted to be Cenomanian/Turonian boundary was not the boundary. We found that the real boundary located at horizon that believed to have been near Coniacian. The horizon was composed of remarkable red beds. Such condition is opposite to the contemporaneous proto-Atlantic and Tethyan oceanic condition. This finding suggests that Southern Pacific has significant importance for elucidating mechanism of OAE2. Cooler deep water formation near this region during OAE2 could explain the red beds formation.
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DOI: 10.1029/2008gc002116
发表时间: 2008-10
期刊: Geochemistry
影响因子: 3.7
作者: [H. McCarren;Ellen Thomas;Takashi Hasegawa;U. Röhl;J. Zachos]
通讯作者: H. McCarren;Ellen Thomas;Takashi Hasegawa;U. Röhl;J. Zachos
蝦夷層群における千年規模の解像度で求めた炭素同位体比変動とその意義
Ezo群中以千年分辨率测定的碳同位素比的变化及其意义
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [Y.Saitoh, T.Tsunogae, M.Santosh, T.R.K.Chetty, K.Horie, 富永嘉人,長谷川卓,利光誠一]
通讯作者: 富永嘉人,長谷川卓,利光誠一
白亜紀/第三紀境界における炭素循環擾乱イベント.長谷川卓・沢田健編特集:顕生代の環境擾乱イベントとその解析
白垩纪/第三纪边界的碳循环扰动事件,长谷川隆和泽田健主编:显生宙的环境扰动事件及其分析。
DOI: --
发表时间: 2008
期刊: Researches in Organic Geochemistry
影响因子: --
作者: [Lewtas P., Fujikawa Y., Hamasaki T., Sugahara M., Yoneda D., 山本真也・長谷川卓]
通讯作者: 山本真也・長谷川卓
南半球高緯度地域から得られた上部白亜系の有機炭素同位体比変動
南半球高纬度地区上白垩统有机碳同位素比值变化
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [沖野遼,長谷川卓, James Crampton]
通讯作者: James Crampton
31
    New paleothermometry for mudstone: utilization of calcreous nodules
    • 批准号:
      24654168
    • 项目类别:
      Grant-in-Aid for Challenging Exploratory Research
    • 资助金额:
      $2.5万
    • 财政年份:
      2012
    • 负责人:
      HASEGAWA Takashi
    • 依托单位:
    Global seesaw oscillation of botom water redox condition through Cretaceous OAE2
    • 批准号:
      24403012
    • 项目类别:
      Grant-in-Aid for Scientific Research (B)
    • 资助金额:
      $11.32万
    • 财政年份:
      2012
    • 负责人:
      HASEGAWA Takashi
    • 依托单位:
    Warming pulse triggered by CO2 released during LIP formation: evaluating 20 kyr event during Cretaceous OAE2
    • 批准号:
      23340158
    • 项目类别:
      Grant-in-Aid for Scientific Research (B)
    • 资助金额:
      $12.98万
    • 财政年份:
      2011
    • 负责人:
      HASEGAWA Takashi
    • 依托单位:
    Study on spin arrangement in two dimensional ferromagnetic-antiferromagnetic nanostructure
    • 批准号:
      22760224
    • 项目类别:
      Grant-in-Aid for Young Scientists (B)
    • 资助金额:
      $2.66万
    • 财政年份:
      2010
    • 负责人:
      HASEGAWA Takashi
    • 依托单位:
    海外基金