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Development and Application of AMS Carbon-14 Chronologies from Organic Carbon in Antarctic Marine Sediments

Development and Application of AMS Carbon-14 Chronologies from Organic Carbon in Antarctic Marine Sediments
南极海洋沉积物有机碳 AMS Carbon-14 年表的开发与应用
批准号:
9813941
负责人:
Philip Froelich
金额:
$12.97万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1998
资助国家:
美国
项目状态:
已结题
起止时间:
1998-10-01 至 2002-10-31

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英文摘要
9813941 Froelich This ESH project will attempt to obtain precise and accurate radiocarbon dates from Antarctic diatomaceous sediments. Preliminary work suggests that modern radiocarbon is adsorbed onto the material during preparation, resulting in artificially young ages. A variety of directions will be explored, including replacement of ambient CO2 in the gas vacuum line by other gases, and separation of the organic matrix from the enclosing silica. Successful application will permit the dating of known records of climate change hitherto undateable.
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Cenozoic History of Lithium Isotopes in Seawater as Recorded in Foraminifera - A Feasibility Study
  • 批准号:
    0455543
  • 项目类别:
    Standard Grant
  • 资助金额:
    $9.22万
  • 财政年份:
    2004
  • 负责人:
    Philip Froelich
  • 依托单位:
Cenozoic History of Lithium Isotopes in Seawater as Recorded in Foraminifera - A Feasibility Study
  • 批准号:
    0241807
  • 项目类别:
    Standard Grant
  • 资助金额:
    $10.62万
  • 财政年份:
    2003
  • 负责人:
    Philip Froelich
  • 依托单位:
Collaborative Research: Paleoproxies and Benthic Fluxes - Establishing the Bottom Boundary Relationships for Ba, U, Mo and Ge
  • 批准号:
    0095064
  • 项目类别:
    Standard Grant
  • 资助金额:
    $13.0万
  • 财政年份:
    2001
  • 负责人:
    Philip Froelich
  • 依托单位:
Ge/Si-Opal and the "Missing Sink"-Investigation of Germanium Geochemistry and Paleoredox
  • 批准号:
    9811199
  • 项目类别:
    Standard Grant
  • 资助金额:
    $22.0万
  • 财政年份:
    1998
  • 负责人:
    Philip Froelich
  • 依托单位:
国内基金
海外基金
Graphon mean field games with partial observation and application to failure detection in distributed systems
  • 批准号:
  • 项目类别:
    省市级项目
  • 资助金额:
    --
  • 批准年份:
    2025
  • 负责人:
    MATHIEULOUROCHLAURIERE
  • 依托单位: