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An Observational Numerical and Analog Study of Faulting Caused by Bending at Subduction Zones

An Observational Numerical and Analog Study of Faulting Caused by Bending at Subduction Zones
俯冲带弯曲引起的断层观测数值模拟研究
批准号：
0137293
负责人：
Roger Buck
金额：
$22.05万
依托单位：
Columbia University
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
2002
资助国家：
美国
项目状态：
已结题
起止时间：
2002-03-01 至 2006-02-28
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=0137293&HistoricalAwards=false
关键词：
ObservationalNumericalAnalogStudyFaulting

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英文摘要
Lithospheric bending may give a fundamentally different window into the processes of fault initiation and development than does lithospheric stretching . The investigators will take advantage of this window by a systematic analysis of bathymetric data and sidescan sonar images for all trenches where data is available. Trenches offer a unique way to relate falut characteristics to the amount of strain required to develop a system of faults. Two-dimensional numerical models will be used to relate lithospheric properties to the observed spacing of faults and the amplitude of their offset.
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Evaluating mechanisms for the formation, propagation and evolution of volcanic rifts and margins
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  • 批准号：
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