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Development of a Reference Base for Eolian Sedimentary Studies in the Pacific and to Apply it to Studies of Quaternary Eolian Sedimentation in the Equatorial Pacific

Development of a Reference Base for Eolian Sedimentary Studies in the Pacific and to Apply it to Studies of Quaternary Eolian Sedimentation in the Equatorial Pacific
太平洋风成沉积研究参考基地的建立及其在赤道太平洋第四纪风成沉积研究中的应用
批准号:
9102385
负责人:
Margaret Leinen
金额:
$20.0万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1991
资助国家:
美国
项目状态:
已结题
起止时间:
1991-09-15 至 1995-02-28

项目摘要

项目成果

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中文摘要
翻译
海洋沉积物中气载成分的化学和矿物学可以用来追踪粉尘的来源位置。从这些数据中,就有可能追踪过去某些时候的气团和风的轨迹。该提案要求支持建立太平洋表层沉积物矿物学、气溶胶矿物学和气团轨迹的正式数据库。然后,这些数据可以用来更准确地重建过去的风和气团运动。这项研究很重要,因为重建过去的风向和强度提供了有关大气如何对过去的气候变化做出反应的重要信息。过去的风强和风向也有助于检验大气环流模式的敏感性,因为风向和风强是这些数值模拟的主要输出。
英文摘要
The chemistry and mineralogy of air-borne components of marine sediments can be used to trace the source location of the dust. From these data it is possible then to trace the trajectory of air masses and winds at times in the past. This proposal requests support to develop a formal data base of surface sediment mineralogy, aerosol mineralogy, and air mass trajectory for the Pacific Ocean. These data can then be used to reconstruct past winds and air mass movements with greater accuracy. The research is important because the reconstruction of past wind directions and intensities provides important information about how the atmosphere responded to past climate change. Past wind intensities and directions also help to test the sensitivity of General Circulation Models, since wind direction and intensity are principal output from these numerical simulations.
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Ship Operations
  • 批准号:
    9625588
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $135.68万
  • 财政年份:
    1996
  • 负责人:
    Margaret Leinen
  • 依托单位:
R/V ENDEAVOR Mid-life Refit
  • 批准号:
    9223884
  • 项目类别:
    Standard Grant
  • 资助金额:
    $242.75万
  • 财政年份:
    1993
  • 负责人:
    Margaret Leinen
  • 依托单位:
Ship Operations
  • 批准号:
    9304963
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $301.02万
  • 财政年份:
    1993
  • 负责人:
    Margaret Leinen
  • 依托单位:
A Proposal for Management and Scientific Service Operation in Support of the US JGOFS Equatorial Pacific Process Study
  • 批准号:
    9022704
  • 项目类别:
    Standard Grant
  • 资助金额:
    $16.02万
  • 财政年份:
    1991
  • 负责人:
    Margaret Leinen
  • 依托单位:
海外基金