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Mass Balance and Ice Stream Mechanics in West Antarctica

Mass Balance and Ice Stream Mechanics in West Antarctica
南极洲西部的质量平衡和冰流力学
批准号：
9020760
负责人：
Ian Whillans
金额：
$40.5万
依托单位：
Ohio State University Research Foundation -DO NOT USE
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：
1991-07-01 至 1995-06-30
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9020760&HistoricalAwards=false
关键词：
MassBalanceIceStreamMechanics

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中文摘要
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英文摘要
This award supports a study to determine the mass balance and mechanics of ice flow in the Siple Coast region of West Antarctica. The work is aimed at refining the mass balance calculation for ice stream B and allowing the first accurate calculations of the mass balance of ice streams D and E. The flow mechanics of the ice streams will be studied using strain grids, which allow the side drag, longitudinal tension and basal friction to be determined. Limited strain and topographic grids observed on Spot-satellite imagery. This work will document the current physical state of the Ross Sea sector of the West Antarctic Ice Sheet and contribute to the understanding of the cause of the extremely rapid drainage of the ice sheet through large ice streams.
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Stress Transmission at Ice-Stream Shear Margins
Laser Altimetry for Ice-Sheet Volume-Balance: A Use of the SOAR Facility
GPS Measurements of Rock and Ice Motions in South Victoria Land
Mass Balance and Ice Stream Mechanics in West Antarctica
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