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Collaborative Research: Seismic Analysis of Upper-Mantle Dynamics: Slow-Seafloor Spreading and Hotspot Interaction in the Atlantic

Collaborative Research: Seismic Analysis of Upper-Mantle Dynamics: Slow-Seafloor Spreading and Hotspot Interaction in the Atlantic
合作研究：上地幔动力学的地震分析：大西洋的缓慢海底扩张和热点相互作用
批准号：
0436398
负责人：
James Gaherty
金额：
$0.0万
依托单位：
Columbia University
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
2004
资助国家：
美国
项目状态：
已结题
起止时间：
2004-03-01 至 2006-08-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=0436398&HistoricalAwards=false
关键词：
CollaborativeResearchSeismicAnalysisUpper

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中文摘要
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英文摘要
This project has three overlapping seismological objectives that are motivated by the principal scientific goal of characterizing the nature of mantle flow and melt supply beneath the Reykjanes and Kolbeinsey Ridges and to determine the influence of the Icelandic hotspot on the seafloor spreading system. Surface wave analyses will be used to determine lithospheric thickness, thermal structure and melt distribution. Seismic anisotropy will be used to determine the nature of mantle upwelling. Fabric-induced anisotropy elsewhere will be evaluated to determine the influence of Iceland on upwelling. Data sets from broad-band seismic stations located on Iceland, other Atlantic islands, and along the Atlantic margin will be used in addition to the ICEMELT and HOTSPOT data sets.
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