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Evaluation of the shallow water ice profiling sonar for measuring frazil ice

Evaluation of the shallow water ice profiling sonar for measuring frazil ice
浅水冰剖面声纳测量碎冰的评价
批准号：
353784-2007
负责人：
Loewen, Mark
金额：
$1.16万
依托单位：
University of Alberta
依托单位国家：
加拿大
项目类别：
Collaborative Research and Development Grants
财政年份：
2009
资助国家：
加拿大
项目状态：
已结题
起止时间：
2009-01-01 至 2010-12-31
来源：
https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=431411
关键词：
Evaluationshallowwatericeprofiling

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中文摘要
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英文摘要
The formation of an ice cover in a river is quite different from that on a lake because of the river's current. The turbulence in the flow causes the formation of a special kind of ice particle, known as frazil ice, which is very 'sticky' when first formed. These frazil particles tend to stick to each other, to metal screens and racks at water intakes, to rocks on the river bed, and even to vegetation in the river. This can be a serious problem for hydro-power utilities as well as for municipal and industrial water supplies, since large accumulations of frazil can completely block the intakes, forcing plants to shutdown. These disruptions to power systems and water supplies have significant socioeconomic costs.
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