Towards a High Resolution, Three-component Velocity Field for the Central Andes

为安第斯山脉中部建立高分辨率、三分量速度场

基本信息

  • 批准号:
    0510719
  • 负责人:
  • 金额:
    $ 32.83万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2005
  • 资助国家:
    美国
  • 起止时间:
    2005-09-01 至 2009-08-31
  • 项目状态:
    已结题

项目摘要

Towards a high resolution, three-component velocity field for the central AndesThis study will use space geodetic measurements (GPS and InSAR) tocreate a high spatial resolution, three-component map of crustalvelocity in the central Andes during the past decade. The primarygoal is to image possible along-strike variations in the inter-seismicdeformation field. While the inter-seismic deformation field isinteresting in its own right, and can be used to determine which partsof the subduction interface are locked (and might rupture in futureearthquakes), the objective is to model this deformation so that itcan be removed. This study seeks to isolate subtle low-amplitudedeformation, including: 1) Bulk post-seismic relaxation followingrecent subduction zone earthquakes. 2) Aseismic motion on shallowcrustal faults related to long-term mountain-building. 3) Magmamovements in deep sub-crustal reservoirs and at low rates in shallowchambers. This study will use methods similar to those of previousstudies (e.g., Peltzer et al., 2001, Wright et al., 2001), but willincrease the amount of data and spatial coverage by 1-2 orders ofmagnitude, from the 10's of scenes of InSAR data used in previousstudies to nearly 1000 scenes.This study will help to better characterize hazards from earthquakesin two different environments -- subduction zones and within thecontinents. This project will also extend our previous surveys ofhundreds of volcanoes for active deformation that could indicatemagmatic movements and the need for further assessment of eruptivehazard. The software that will be developed in this study will becomepublicly available. This study will involve the training of graduateand undergraduate students, and will support an early careerscientist.
这项研究将利用空间大地测量(GPS和InSAR)来创建过去十年来安第斯山脉中部地壳速度的高空间分辨率三分量图。其主要目标是成像地震间形变场中可能的沿走向变化。虽然震间形变场本身很有趣,可以用来确定俯冲界面的哪些部分被锁定(并可能在未来的地震中破裂),但目的是对这种变形进行建模,以便将其移除。这项研究试图分离出微妙的低幅度形变,包括:1)最近俯冲带地震后的整体震后松弛。2)与长期造山有关的浅层地壳断裂上的非地震运动。3)深部次地壳储集层中的磁化活动和浅部洞室中的低速率磁化作用。这项研究将使用与以前研究类似的方法(例如Peltzer等人,2001年,Wright等人,2001年),但将把数据量和空间覆盖范围增加1-2个数量级,从先前研究中使用的10‘S干涉合成孔径雷达数据场景增加到近1,000个场景。该项目还将扩大我们之前对数百座火山的活动性变形的调查,这些活动性变形可能表明火山的岩浆运动,以及进一步评估喷发危险性的必要性。将在这项研究中开发的软件将公开可用。这项研究将涉及研究生和本科生的培训,并将支持一位早期的职业科学家。

项目成果

期刊论文数量(0)
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Matthew Pritchard其他文献

Opening wide the magma spigot
打开岩浆龙头
  • DOI:
    10.1038/ngeo1439
  • 发表时间:
    2012-03-30
  • 期刊:
  • 影响因子:
    16.100
  • 作者:
    Matthew Pritchard
  • 通讯作者:
    Matthew Pritchard
Appendix: Fundamental Issues of Musical Listening (1925)
附录:音乐聆听的基本问题(1925)
  • DOI:
    10.1017/s1478572212000011
  • 发表时间:
    2011
  • 期刊:
  • 影响因子:
    0.4
  • 作者:
    Heinrich Besseler;Matthew Pritchard;Irene Auerbach
  • 通讯作者:
    Irene Auerbach

Matthew Pritchard的其他文献

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{{ truncateString('Matthew Pritchard', 18)}}的其他基金

Collaborative Research: The interplay of surface evolution, shallow magmatism, a large hydrothermal system, and hazards at Puyehue-Cordon Caulle Volcanic Complex, Chile
合作研究:智利 Puyehue-Cordon Caulle 火山群地表演化、浅层岩浆作用、大型热液系统和灾害的相互作用
  • 批准号:
    2317730
  • 财政年份:
    2023
  • 资助金额:
    $ 32.83万
  • 项目类别:
    Continuing Grant
GP-GO: Growing the number and diversity of non-geoscience undergraduates in Cornell's graduate programs in Atmospheric and Geological Sciences with a Geoscience Learning Ecosystem
GP-GO:通过地球科学学习生态系统增加康奈尔大学大气和地质科学研究生课程中非地球科学本科生的数量和多样性
  • 批准号:
    2119927
  • 财政年份:
    2021
  • 资助金额:
    $ 32.83万
  • 项目类别:
    Standard Grant
Collaborative Research: Unraveling distributed deformation during early-stage rifting in the Western and Southwestern African Rifts
合作研究:揭示非洲西部和西南部裂谷早期裂谷期间的分布式变形
  • 批准号:
    2039962
  • 财政年份:
    2021
  • 资助金额:
    $ 32.83万
  • 项目类别:
    Standard Grant
Collaborative Research: Chamber or Conduit - Constraining Explosive Through Effusive Eruption at Cordon Caulle, Chile 2011/12
合作研究:室或管道 - 通过在智利 Cordon Caulle 的喷发来限制爆炸物 2011/12
  • 批准号:
    1824160
  • 财政年份:
    2018
  • 资助金额:
    $ 32.83万
  • 项目类别:
    Standard Grant
NSFGEO-NERC: Collaborative Research: Linking geophysics and volcanic gas measurements to constrain the transcrustal magmatic system at the Altiplano-Puna Deformation Anomaly
NSFGEO-NERC:合作研究:将地球物理学和火山气体测量联系起来,以约束高原-普纳变形异常处的穿地壳岩浆系统
  • 批准号:
    1757495
  • 财政年份:
    2018
  • 资助金额:
    $ 32.83万
  • 项目类别:
    Continuing Grant
Collaborative Research: Tectonic and Magmatic Processes during Early-Stage Rifting: an Integrated Study of Northern Lake Malawi, Africa
合作研究:早期裂谷期间的构造和岩浆过程:非洲马拉维湖北部的综合研究
  • 批准号:
    1109512
  • 财政年份:
    2012
  • 资助金额:
    $ 32.83万
  • 项目类别:
    Continuing Grant
Collaborative Research: Faulting Processes During Early Stage Rifting: Analysis of an Unusual Earthquake Sequence in Northern Malawi
合作研究:早期裂谷期间的断层过程:马拉维北部异常地震序列的分析
  • 批准号:
    1049611
  • 财政年份:
    2010
  • 资助金额:
    $ 32.83万
  • 项目类别:
    Standard Grant
CAREER: Increasing the use of imaging geodesy for studies of tectonics, volcanoes, and glaciers
职业:增加成像大地测量学在构造、火山和冰川研究中的应用
  • 批准号:
    0955547
  • 财政年份:
    2010
  • 资助金额:
    $ 32.83万
  • 项目类别:
    Continuing Grant
Collaborative Research: Investigating the Relationship Between Pluton Growth and Volcanism at Two Active Intrusions in the Central Andes
合作研究:调查安第斯山脉中部两个活跃侵入体的岩体生长与火山活动之间的关系
  • 批准号:
    0908281
  • 财政年份:
    2009
  • 资助金额:
    $ 32.83万
  • 项目类别:
    Standard Grant
Acquisition of field geophysical equipment for teaching and research at Cornell University
购置野外地球物理设备用于康奈尔大学教学和研究
  • 批准号:
    0732677
  • 财政年份:
    2008
  • 资助金额:
    $ 32.83万
  • 项目类别:
    Standard Grant

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基于Resolution算法的交互时态逻辑自动验证机
  • 批准号:
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