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Faculty Award for Women: Causes of Drought in the West African Sahel

Faculty Award for Women: Causes of Drought in the West African Sahel
女性教师奖:西非萨赫勒地区干旱的原因
批准号:
9024340
负责人:
Sharon Nicholson
金额:
$25.0万
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:
1991-11-01 至 1997-10-31

项目摘要

项目成果

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中文摘要
翻译
PI的研究重点是气候变化, 非洲,特别是萨赫勒地区的干旱。 她计划加强 通过进一步了解生态学, 生物物理和水文过程,将这些纳入其中 大气环流模式实验的新技术, 包括明确处理陆面过程,以探讨 干旱期间可能产生粉尘的反馈 及其对大气层的影响,并建立一个模型 大气加热明确考虑了尘埃 层, 并将这些概念与特定的系统联系起来, 西非上空降雨,东风波。 后者将 需要研究地表能量和水的平衡 影响非洲中层偏东急流。 私家侦探提出 这项研究的目的是证明或反驳这一理论 在萨赫勒干旱中的地表反馈。
英文摘要
The PI's research has focused on climate variability in Africa, especially drought in the Sahel. She plans to enhance her background by gaining a further understanding of ecology and of biophysical and hydrological processes, to incorporate these new skills in the general circulation model experiments to include explicit treatment of land surface processes, to explore the feedback that may involve dust generation during drought episodes and its impact on the atmosphere and to develop a model of atmospheric heating that explicitly considers dust layers, and to link these concepts to the specific systems that generate rainfall over West Africa, the easterly waves. The latter will require a study of how the surface energy and water balance affect the mid-level African easterly jet. The P.I. proposes this research with the goal of proving or disproving the theory of land surface feedback in the Sahel droughts.
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Lake-Effect Rainfall over Three East African Lakes
  • 批准号:
    1850661
  • 项目类别:
    Standard Grant
  • 资助金额:
    $64.02万
  • 财政年份:
    2019
  • 负责人:
    Sharon Nicholson
  • 依托单位:
Collaborative Research: Linking the Long-Term Congo Drought to Changes in Walker-Type Circulations Affecting Equatorial Africa
  • 批准号:
    1854511
  • 项目类别:
    Standard Grant
  • 资助金额:
    $14.14万
  • 财政年份:
    2019
  • 负责人:
    Sharon Nicholson
  • 依托单位:
A New Look At Sahel Rainfall Variability Over Two Centuries
  • 批准号:
    1445605
  • 项目类别:
    Standard Grant
  • 资助金额:
    $72.38万
  • 财政年份:
    2015
  • 负责人:
    Sharon Nicholson
  • 依托单位:
Collaborative Research: Understanding Congo Rainfall Variability and Trends
  • 批准号:
    1535439
  • 项目类别:
    Standard Grant
  • 资助金额:
    $25.96万
  • 财政年份:
    2015
  • 负责人:
    Sharon Nicholson
  • 依托单位:
海外基金