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Dynamical, Microphysical and Electrical Studies of Convection in STEPS

Dynamical, Microphysical and Electrical Studies of Convection in STEPS
STEPS 中对流的动力学、微观物理和电学研究
批准号:
9912051
负责人:
Steven Rutledge
金额:
$37.05万
依托单位:
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:
2000-04-01 至 2004-03-31

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中文摘要
翻译
本研究的重点是雷暴电气化和云的微物理和运动学特性之间的关系,在STEPS(强雷暴电气化和降水研究)计划于2000年初夏在西部堪萨斯。 数据来自飞机、雷达、探空气球和闪电测绘网络。 特别注意的是风暴,表现出主导的云内闪电或积极的云对地闪电。 这些异常闪电似乎与严重的雷暴有关,可能是风暴严重程度的指标。 具体研究的例子包括:(1)将雷达风暴结构、大冰雹和龙卷风与正云地闪电的产生联系起来;(2)确定大冰雹在风暴起电中的作用;(3)评估已提出的解释异常闪电的机制。 该项目将导致更好地了解风暴电气化,并找到监测和预测风暴强度的新方法。
英文摘要
This research focuses on the relation between thunderstorm electrification and the microphysical and kinematic properties of clouds as observed during STEPS (Severe Thunderstorm Electrification and Precipitation Study) planned for the early summer of 2000 in western Kansas. Data from aircraft, radar, sounding balloons, and a lightning-mapping network are employed. Special attention is directed to storms that exhibit predominant intra-cloud lightning or positive cloud-to-ground lightning. These kinds of anomalous lightning appear to be associated with severe thunderstorms and may be indicators of storm severity. Examples of specific studies include (1) relating radar storm structure, large hail, and tornadoes to the production of positive cloud-to-ground lightning; (2) determining the role of large hail in storm electrification; (3) evaluating mechanisms that have been proposed to explain anomalous lightning. This project will lead to a better understanding of storm electrification and to new ways of monitoring and predicting storm intensity.
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  • 项目类别:
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  • 资助金额:
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  • 财政年份:
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  • 负责人:
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  • 依托单位:
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  • 资助金额:
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  • 批准号:
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  • 项目类别:
    Standard Grant
  • 资助金额:
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  • 财政年份:
    2015
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  • 依托单位:
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  • 批准号:
    1460585
  • 项目类别:
    Cooperative Agreement
  • 资助金额:
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  • 负责人:
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  • 依托单位:
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