Collaborative Research: TAIGER's Tale: Tectonics of Subduction to Collision
合作研究:TAIGER 的故事:俯冲到碰撞的构造
基本信息
- 批准号:1010580
- 负责人:
- 金额:$ 14.31万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2010
- 资助国家:美国
- 起止时间:2010-10-01 至 2014-09-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The TAIGER (Taiwan Integrated Geodynamics Research) project is a joint USA-Taiwan program that seeks to model the complex collision processes and the tectonic development of Taiwan, based on extensive observation. Funded by the NSF Continental Dynamics Program and by Taiwan's National Science Council and involving investigators at SUNY/Binghamton, UTIG, USC, Cornell, and Wisconsin, this project has acquired more than twice as much data as originally proposed due to synergistic contributions by Taiwan scientists and Taiwanese government science funding. From FY2006-2009, deployments of seismic instruments on land (IRIS) and at ocean-bottom (OBSIP) maximized the recording of local events and teleseisms, as well as artificial sources specially set off for TAIGER, in order to obtain high resolution 3-D images. To map the areas around Taiwan the PIs were able to use the NSF-supported research ship, the R/V Langseth, to create seismic waves that were recorded by a 6-km long streamer and also ocean-bottom and land recorders. These seismic and magnetotelluric profiles as well as petrologic lab data are currently being analyzed. TAIGER project data combined with geodynamics methods will be used to test a set of existing tectonic models that range from a thin skinned model, in which subduction of continental Eurasian mantle and lower crust is separated from a deforming crustal wedge by a plate boundary decollement, from a thick skinned model, where deformation of crust and mantle occurs within a vertically contiguous system, with progressive thickening of continental mantle beneath the core of the mountain belt.The current project (TAIGER?s TALE), will expand on thier initial studies to carry out in-depth and advanced studies using the extensive TAIGER data volumes (no new data will be acquired). This work will lead to significant advances in understanding deformational processes associated with the evolution of Taiwan due to plate collision. Studies will focus primarily on seismological analyses to obtain physical properties and rheological indicators as well as the integrative ties with geodynamical modeling efforts. The over-arching strategy is to take advantage of the unique aspects of the acquired data sets, the tectonic environment, and the diverse and complementary participating/collaborating personnel. They will perform their analyses of various data sets in such a way that higher frequency/higher resolution results are nested in the context of broader scale results. They will make extensive use of ?crossover? seismological data sets recorded during TAIGER (active sources collected by passive-source arrays, and earthquakes collected in active-source arrays). Also, analysis/interpretation of these data will be closely tied to geodynamic modeling.
TAIGER(Taiwan Integrated Geodynamics Research)项目是美国与台湾的一个联合项目,旨在根据广泛的观察,模拟复杂的碰撞过程和台湾的构造发展。 由美国国家科学基金会大陆动力学计划和台湾的国家科学理事会资助,并涉及纽约州立大学/宾厄姆顿,UTIG,南加州大学,康奈尔大学和威斯康星州的研究人员,该项目已获得超过两倍的数据,由于台湾科学家和台湾政府科学基金的协同贡献。 从2006 -2009财政年度起,在陆地(IRIS)和海底(OBSIP)部署地震仪器,最大限度地记录了当地事件和地震,以及专门为TAIGER出发的人工源,以获得高分辨率的三维图像。 为了绘制台湾周边地区的地图,PI能够使用NSF支持的研究船R/V Langseth来创建地震波,这些地震波由6公里长的拖缆以及海底和陆地记录仪记录。 目前正在分析这些地震和大地电磁剖面以及岩石学实验室数据。TAIGER项目数据与地球动力学方法相结合,将用于测试一套现有的构造模型,从薄皮模型,其中大陆欧亚地幔和下地壳的俯冲被板块边界滑脱与变形的地壳楔分开,到厚皮模型,其中地壳和地幔的变形发生在垂直连续的系统内,与山带核部之下的大陆地幔进行性增厚。的TALE),将扩大其初步研究,利用广泛的TAIGER数据量进行深入和先进的研究(不会获得新的数据)。这项工作将导致重大进展,了解变形过程与台湾的演变,由于板块碰撞。研究将主要集中在地震学分析,以获得物理特性和流变指标,以及与地球动力学建模工作的综合联系。超分辨率的策略是利用所获得的数据集,构造环境,以及不同的和互补的参与/合作人员的独特方面。他们将对各种数据集进行分析,以使更高频率/更高分辨率的结果嵌套在更广泛的结果中。他们将广泛使用?交叉?TAIGER期间记录的地震学数据集(被动源阵列收集的主动源和主动源阵列收集的地震)。 此外,这些数据的分析/解释将与地球动力学建模密切相关。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Steven Roecker其他文献
Anomalous intraslab structure revealed by the analysis of aftershocks of the Msubw/sub 6.7 Coquimbo-La Serena earthquake of 20 January 2019
2019 年 1 月 20 日 Mw6.7 科金博-拉塞雷纳地震余震分析揭示的板内异常结构
- DOI:
10.1016/j.tecto.2022.229660 - 发表时间:
2023-01-05 - 期刊:
- 影响因子:2.600
- 作者:
Diana Comte;Marcelo Farías;Daniela Calle-Gardella;Andrea Navarro-Aranguiz;Steven Roecker;Andreas Rietbrock - 通讯作者:
Andreas Rietbrock
Anomalous intraslab structure revealed by the analysis of aftershocks of the M<sub>w</sub> 6.7 Coquimbo-La Serena earthquake of 20 January 2019
- DOI:
10.1016/j.tecto.2022.229660 - 发表时间:
2023-01-05 - 期刊:
- 影响因子:
- 作者:
Diana Comte;Marcelo Farías;Daniela Calle-Gardella;Andrea Navarro-Aranguiz;Steven Roecker;Andreas Rietbrock - 通讯作者:
Andreas Rietbrock
Steven Roecker的其他文献
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{{ truncateString('Steven Roecker', 18)}}的其他基金
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