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Development of Magnetic Signatures of Soil Erosion and Eolian Dust: Application To Decadal Scale Holocene Climate Change

Development of Magnetic Signatures of Soil Erosion and Eolian Dust: Application To Decadal Scale Holocene Climate Change
土壤侵蚀和风尘磁特征的发展:在十年尺度全新世气候变化中的应用
批准号:
9909523
负责人:
Subir Banerjee
金额:
$18.43万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2000
资助国家:
美国
项目状态:
已结题
起止时间:
2000-01-01 至 2003-12-31

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中文摘要
翻译
该提案要求支持一项研究,以获得高分辨率(十年尺度)记录干旱和/或土壤侵蚀在美国中西部整个全新世使用纹湖沉积物。提议者打算制定一套磁性参数,以便从矿物学、浓度和粒度分布方面迅速确定沉积物样品磁性部分的特征,并确定表明风成和侵蚀输入的关键参数。为了评估我们的方法的准确性,可靠性和鲁棒性,他们将比较他们的磁性结果与更耗时的沉积学和地球化学风成尘和侵蚀代理选定的层位。
英文摘要
This proposal requests support for a study to obtain a high resolution (decadal scale) record of drought and/or soil erosion in the mid-western United States throughout the Holocene using varved lake sediments. The proponents intend to develop a set of magnetic parameters to rapidly characterize the magnetic fraction of a sediment sample in terms of mineralogy, concentration and particle-size distribution and to identify the key parameters that are indicative of eolian and erosional input. To assess accuracy, reliability and robustness of our method they will compare their magnetic results for selected horizons with more time-consuming sedimentological and geochemical proxies of eolian dust and erosion.
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Acquisition of a DC-SQUID magnetometer
  • 批准号:
    0647852
  • 项目类别:
    Standard Grant
  • 资助金额:
    $0.0万
  • 财政年份:
    2007
  • 负责人:
    Subir Banerjee
  • 依托单位:
Collaborative Proposal for Facility Support: Development and Maintenance of the Magnetics Information Consortium (MagIC)
  • 批准号:
    0317922
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $13.89万
  • 财政年份:
    2003
  • 负责人:
    Subir Banerjee
  • 依托单位:
Collaborative Research: Sediment Nanomagnetism and Environmental Change: The Microbial Mineral Link
  • 批准号:
    0311869
  • 项目类别:
    Standard Grant
  • 资助金额:
    $29.93万
  • 财政年份:
    2003
  • 负责人:
    Subir Banerjee
  • 依托单位:
Continuation of a Facility: Institute for Rock Magnetism
  • 批准号:
    0218384
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $189.65万
  • 财政年份:
    2002
  • 负责人:
    Subir Banerjee
  • 依托单位:
海外基金