Investigation of Surface Deformation at Subduction Zones using a Finite Plate Model
使用有限板模型研究俯冲带的表面变形
基本信息
- 批准号:0106798
- 负责人:
- 金额:$ 10.46万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2001
- 资助国家:美国
- 起止时间:2001-06-15 至 2003-05-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Williams 0106798 Surface deformation at subduction zones is generally interpreted in terms of movement on the thrust boundary between the subducting slab and the overriding plate. Elastic half-space dislocation (EHSD) models are frequently used to infer a slip distribution on the fault from surface geodetic observations and seismic hazard is evaluated in terms of which portions of the fault are fully or partially locked. These models are appealing because of their simplicity, but the assumption that all surface deformation is due to movement on a fault embedded in a homogeneous elastic half-space leads to some unrealistic behavior. Rather than considering the entire system, this project will consider only the portion of the overriding plate that behaves elastically over the time period of interest. Surface deformation occurs as a result of stress changes or rates applied along the thrust fault boundary and along the base of a finite elastic region (the overriding plate). This approach offers a more promising means of understanding the physics of subduction zones and makes fewer implicit assumptions than do EHSD models. Inversion results using this method will be compared and contrasted with those using EHSD models. The investigators will initially examine the Cascadia subduction zone in Oregon and Washington, and the Kenai Peninsula in Alaska. Additional study areas will include Japan, Sumatra, the Himalayas, and New Zealand. The results of this study should have important implications in fault friction studies and earthquake hazard research, and in understanding plate driving and resistive forces.
威廉姆斯0106798俯冲带的地表变形一般用俯冲板和逆冲板块之间的逆冲边界上的运动来解释。弹性半空间位错(EHSD)模型经常被用来从地表大地测量数据中推断断层上的滑动分布,并根据断层的哪一部分被完全或部分锁定来评估地震危险性。这些模型很吸引人,因为它们简单,但假设所有的地表变形都是由于嵌入在均匀弹性半空间中的断层上的运动导致的,导致了一些不切实际的行为。而不是考虑整个系统,这个项目将只考虑在感兴趣的时间段内弹性行为的覆盖板块部分。地表变形是沿逆冲断层边界和沿有限弹性区域(覆盖板块)底部施加的应力变化或速率的结果。与EHSD模型相比,这种方法提供了一种更有希望的方法来理解俯冲带的物理特性,并做出了更少的隐含假设。将该方法的反演结果与EHSD模型的反演结果进行了对比。调查人员将首先检查俄勒冈州和华盛顿州的卡斯卡迪亚俯冲区,以及阿拉斯加的基奈半岛。其他研究地区将包括日本、苏门答腊岛、喜马拉雅山脉和新西兰。这项研究的结果将对断层摩擦研究和地震危险性研究以及了解板块驱动力和阻力具有重要意义。
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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Charles Williams其他文献
Structural Knowledge: How Executive Experience with Structural Composition Affects Intrafirm Mobility and Unit Reconfiguration
结构知识:结构组成方面的高管经验如何影响公司内部流动性和单位重组
- DOI:
10.2139/ssrn.2013779 - 发表时间:
2012 - 期刊:
- 影响因子:0
- 作者:
S. Karim;Charles Williams - 通讯作者:
Charles Williams
Predictors of Substance Abuse Treatment Outcomes in Tennessee
田纳西州药物滥用治疗结果的预测因素
- DOI:
- 发表时间:
2003 - 期刊:
- 影响因子:0.8
- 作者:
Satish K. Kedia;Charles Williams - 通讯作者:
Charles Williams
State-of-stress and stress rotations: Quantifying the role of surface topography and subsurface density contrasts in magmatic rift zones (Eastern Rift, Africa)
应力状态和应力旋转:量化岩浆裂谷区表面地形和地下密度对比的作用(非洲东部裂谷)
- DOI:
- 发表时间:
2020 - 期刊:
- 影响因子:0
- 作者:
S. Oliva;C. Ebinger;E. Rivalta;Charles Williams;C. Wauthier;C. Currie - 通讯作者:
C. Currie
Recurrent Acute Life-threatening Events and Lactic Acidosis Caused by Chronic Carbon Monoxide Poisoning in an Infant
婴儿慢性一氧化碳中毒引起的反复急性危及生命事件和乳酸酸中毒
- DOI:
10.1542/peds.104.3.e34 - 发表时间:
1999 - 期刊:
- 影响因子:8
- 作者:
Marta Foster;S. R. Goodwin;Charles Williams;Janice Loeffler - 通讯作者:
Janice Loeffler
The TRIP12 E3 ligase induces SWI/SNF component BRG1-β-catenin interaction to promote Wnt signaling
TRIP12 E3 连接酶诱导 SWI/SNF 成分 BRG1-β-连环蛋白相互作用以促进 Wnt 信号传导
- DOI:
10.1038/s41467-025-60535-5 - 发表时间:
2025-06-05 - 期刊:
- 影响因子:15.700
- 作者:
Sara Kassel;Kai Yuan;Nawat Bunnag;Leif R. Neitzel;Wenhui Lu;Anna Schwarzkopf;Benjamin Maines;Matthew A. Loberg;George Xu;Amber Adams;Andrew D. McCray;Alex Cho;Mary Rockouski;Gemma Orton;Lily Goldsmith;Md Mubtaseem Ahnaf Aronno;Zachary T. Spencer;Omar M. Khan;Fei Ye;Charles Williams;Andres M. Lebensohn;Rajat Rohatgi;Xiaofeng Wang;Vivian L. Weiss;Charles C. Hong;Arminja N. Kettenbach;David J. Robbins;Yashi Ahmed;Ethan Lee - 通讯作者:
Ethan Lee
Charles Williams的其他文献
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{{ truncateString('Charles Williams', 18)}}的其他基金
NSF Postdoctoral Fellowship in Biology FY 2012
2012 财年 NSF 生物学博士后奖学金
- 批准号:
1202886 - 财政年份:2012
- 资助金额:
$ 10.46万 - 项目类别:
Fellowship Award
University of Maryland Eastern Shore Science, Mathematics, Engineering, and Technology ACTION Program
马里兰大学东岸科学、数学、工程和技术行动计划
- 批准号:
0411387 - 财政年份:2004
- 资助金额:
$ 10.46万 - 项目类别:
Continuing Grant
ITR: Development of an Integrated Tool for Modeling Quasi-static Deformation in the Solid Earth
ITR:开发模拟固体地球准静态变形的集成工具
- 批准号:
0313238 - 财政年份:2003
- 资助金额:
$ 10.46万 - 项目类别:
Standard Grant
ITR/AP(GEO): Development of Interactive Web-based Tools for Modeling Deformation at Subduction Zones
ITR/AP(GEO):开发用于俯冲带变形建模的交互式网络工具
- 批准号:
0113713 - 财政年份:2001
- 资助金额:
$ 10.46万 - 项目类别:
Continuing Grant
PRF: Spatial Genetic Structure and Genetic Demography of Delphinium nelsonii
PRF:飞燕草的空间遗传结构和遗传人口学
- 批准号:
9103781 - 财政年份:1991
- 资助金额:
$ 10.46万 - 项目类别:
Fellowship Award
Travel to Attend the 4th International Symposium on Pharmacology of Temperature Regulation; Oxford, England - July 29 - August 3, 1979
出差参加第四届国际调温药理学研讨会;
- 批准号:
7916986 - 财政年份:1979
- 资助金额:
$ 10.46万 - 项目类别:
Standard Grant
Research on Federal Technology Assistance to State and LocalGovernments As Innovation Strategies: a Study For ImprovingPresent Policy
联邦对州和地方政府的技术援助作为创新战略的研究:一项改进现行政策的研究
- 批准号:
7504330 - 财政年份:1975
- 资助金额:
$ 10.46万 - 项目类别:
Standard Grant
Targets of Opportunity For Technology Innovations in the PubLic Sector
公共部门技术创新机会目标
- 批准号:
7300121 - 财政年份:1973
- 资助金额:
$ 10.46万 - 项目类别:
Contract
Planning and Evaluation Assistance to the Nsf Experimental R&D Incentives Program
对 Nsf 实验 R 的规划和评估协助
- 批准号:
7307164 - 财政年份:1972
- 资助金额:
$ 10.46万 - 项目类别:
Contract
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