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项目编号 | 1536400 |
Central Atlantic Lithosphere-Asthenosphere Boundary Study | |
Steven Constable | |
主持机构 | University of California-San Diego Scripps Inst of Oceanography |
项目开始年 | 2015 |
2015-08-15 | |
项目结束日期 | 2018-07-31 |
资助机构 | US-NSF |
项目类别 | Continuing grant |
项目经费 | 402409(USD) |
国家 | 美国 |
语种 | 英语 |
英文摘要 | Part 1 The award will enable the U.S. scientists to join a large, multi-institution, multi-disciplinary European project to collect geophysical data in the mid-Atlantic Ocean to study the lithosphere-asthenosphere boundary (LAB) in the deep Earth. European scientists will deploy instruments to collect earthquake and related data. With funds from this proposal, the US scientists will deploy electro-magnetic instruments, and all of the types of data to be gathered will allow imaging the LAB at different length scales. The impact of this research will be far reaching, both in the scientific as well as in the technical domain. The results would help in resolving an important scientific controversy about the lithosphere and shed light on the thermal structure of oceanic mantle. Outreach is planned at Scripps? Birch Aquarium and student support is also included. Part 2 This project is to allow the U.S. PIs to join a large, multi-institution, multi-disciplinary European initiative to collect geophysical data in the mid-Atlantic to characterize the lithosphere-asthenosphere boundary (LAB) as a function of age. European collaborators will deploy 30 OBS for a year to collect teleseismic, surface wave, and receiver function data. In addition, deep seismic reflection data will be acquired by Schlumberger using state-of-the-art industry equipment on a continuous profile along a stream-line from the mid-Atlantic to 100 My crust. Under funding from this proposal, the PIs plan to deploy 40 Scripps broadband MT instruments at OBS sites. Satish Singh of IPGP has already secured funding for the seismic reflection study, as well as a commitment from Schlumberger. Catherine Rychert and Nicholas Harmon of University of Southampton have secured funding for the passive seismic deployments, as well as ship time. The MT deployments and recoveries will piggy-back the Southampton experiment, but data will be integrated across the three studies. The results would help in resolving an important scientific controversy about the lithosphere and shed light on the thermal structure of oceanic mantle. Outreach is planned at Scripps' Birch Aquarium and student support is also included. |
来源学科分类 | Geosciences - Ocean Sciences |
文献类型 | 项目 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/68513 |
专题 | 环境与发展全球科技态势 |
推荐引用方式 GB/T 7714 | Steven Constable.Central Atlantic Lithosphere-Asthenosphere Boundary Study.2015. |
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