Central Atlantic Lithosphere-Asthenosphere Boundary Study

该奖项将使美国科学家能够加入一个大型、多机构、多学科的欧洲项目，收集大西洋中部的地球物理数据，研究地球深处的岩石圈-软流圈边界(LAB)。欧洲科学家将部署仪器来收集地震和相关数据。在这项提案的资金支持下，美国科学家将部署电磁仪器，收集的所有类型的数据都将允许在不同长度的尺度上对实验室进行成像。这项研究的影响将是深远的，无论是在科学领域还是在技术领域。这一结果将有助于解决关于岩石圈的一个重要的科学争议，并有助于揭示大洋地幔的热结构。斯克里普斯有外展计划吗？该项目旨在让美国PIS加入一个大型、多机构、多学科的欧洲倡议，在大西洋中部收集地球物理数据，以表征岩石圈-软流圈边界(LAB)随年龄变化的特征。欧洲合作者将部署30个OBS，为期一年，收集远震、面波和接收器功能数据。此外，斯伦贝谢将使用最先进的工业设备，沿着从大西洋中部到100My地壳的流线，在连续剖面上获取深层地震反射数据。在这项提案的资助下，私人投资机构计划在OBS站点部署40台Scripps宽带MT仪器。IPGP的萨蒂什·辛格已经为地震反射研究获得了资金，并获得了斯伦贝谢的承诺。南安普顿大学的Catherine Rychert和Nicholas Harmon已经为被动地震部署以及船舶时间获得了资金。MT的部署和恢复将利用南安普顿的实验，但数据将整合在三项研究中。这一结果将有助于解决关于岩石圈的一个重要的科学争议，并有助于揭示大洋地幔的热结构。斯克里普斯的桦树水族馆计划进行推广，学生支持也包括在内。

Part 1The 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 2This 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.