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A Search for Tectonic and Volcanic Events on the East Pacific Rise

A Search for Tectonic and Volcanic Events on the East Pacific Rise
寻找东太平洋隆起的构造和火山事件
批准号:
9730542
负责人:
Donald Forsyth
金额:
$11.22万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1998
资助国家:
美国
项目状态:
已结题
起止时间:
1998-04-01 至 2000-03-31

项目摘要

项目成果

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中文摘要
翻译
9730542福赛斯该项目将对沿东太平洋隆起快速扩张的300公里长的一段区域进行的重复测深和侧扫声纳测量进行比较,以探测与喷发、外生火山口坍塌、轴向断层或轴向岩浆室膨胀或收缩有关的海底形态的可能变化。在过去两年中,四次巡航沿着相同的轨道线重新测量了东太平洋隆起;三次使用相同的多波束系统,提供了一种解决海底高度和反射率变化的最佳测量策略。
英文摘要
9730542 Forsyth This project will compare repeated bathymetric and side- scan sonar surveys along a three-hundred kilometer long segment of the very fast-spreading East Pacific Rise to detect possible changes in seafloor morphology associated with eruptions, exial-caldera collapse, off-axis faulting, or inflation or deflation of the axial magma chamber. over the past two years, four cruises have resurveyed the East Pacific Rise along the same track lines; three times with the same multibeam system, providing an optimum survey strategy to solve changes in seafloor elevation and reflectivity.
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Characteristics of the Oceanic Lithosphere and the Propagation of Pn and Sn Seismic Phases
  • 批准号:
    1832371
  • 项目类别:
    Standard Grant
  • 资助金额:
    $22.19万
  • 财政年份:
    2018
  • 负责人:
    Donald Forsyth
  • 依托单位:
Collaborative Research: Imaging small-scale convection and structure of the mantle in the south Pacific: a US contribution to international collaboration PacificArray
  • 批准号:
    1658070
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $17.71万
  • 财政年份:
    2017
  • 负责人:
    Donald Forsyth
  • 依托单位:
Improving the vertical and horizontal resolution of seismic anisotropy and heterogeneity using surface waves
  • 批准号:
    1547368
  • 项目类别:
    Standard Grant
  • 资助金额:
    $10.77万
  • 财政年份:
    2015
  • 负责人:
    Donald Forsyth
  • 依托单位:
Collaborative Research: Structure and Dynamics of the Lithosphere-Asthenosphere System Beneath the Juan de Fuca Plate
  • 批准号:
    1332876
  • 项目类别:
    Standard Grant
  • 资助金额:
    $21.33万
  • 财政年份:
    2013
  • 负责人:
    Donald Forsyth
  • 依托单位:
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