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Collaborative Research: A High-resolution Record of Productivity and/or Ventilation of the Northeastern Pacific from Soledad Basin, Baja California

Collaborative Research: A High-resolution Record of Productivity and/or Ventilation of the Northeastern Pacific from Soledad Basin, Baja California
合作研究:下加利福尼亚州索莱达盆地东北太平洋生产力和/或通风的高分辨率记录
批准号:
0214221
负责人:
Alexander van Geen
金额:
$31.64万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2002
资助国家:
美国
项目状态:
已结题
起止时间:
2002-09-01 至 2005-08-31

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中文摘要
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英文摘要
This study will use multiproxy study of cores from the Soledad Basin off Baja CA to determine if bottom water oxygen changes over the last 10,000 years are caused primarily by productivity changes in surface waters or changes in ventilation of subsurface waters. Proxies to be measured include planktic foraminifer assemblages, oxygen isotope ratio of Globigerina bulloides and N. pachyderma, sediment Mo abundance, and Mg/Ca in benthic foraminifers. Chronology will be provided by AMS 14C and 210Pb. Sample resolution for most proxies will be 100 years. Mo measurements and sea surface temperature estimates will be done at multidecadal sampling resolution.
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Collaborative Research: Informal risk-sharing and private initiative to mitigate local environmental risks
  • 批准号:
    1853289
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $31.97万
  • 财政年份:
    2019
  • 负责人:
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CNH: Competing Demands and Future Vulnerability of Groundwater: Drinking Water Quality and Food Security in Arsenic-Impacted South and Southeast Asia
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    1414131
  • 项目类别:
    Standard Grant
  • 资助金额:
    $145.0万
  • 财政年份:
    2014
  • 负责人:
    Alexander van Geen
  • 依托单位:
Development of Freeze-Shoe Sampler to Recover Aquifer Sands with In-situ Groundwater From up to 1000-ft Depth
  • 批准号:
    1160753
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $57.56万
  • 财政年份:
    2013
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Workshop proposal: Recovering Uncompromised Samples of Aquifer Sands with In-Situ Groundwater from up to 300-m Depth in South and Southeast Asia
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    1105148
  • 项目类别:
    Standard Grant
  • 资助金额:
    $2.0万
  • 财政年份:
    2011
  • 负责人:
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  • 依托单位:
国内基金
海外基金
Research on Quantum Field Theory without a Lagrangian Description
  • 批准号:
    24ZR1403900
  • 项目类别:
    省市级项目
  • 资助金额:
    --
  • 批准年份:
    2024
  • 负责人:
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  • 依托单位:
Cell Research
Cell Research
Cell Research (细胞研究)