MARGINS: Collaborative Research: Illuminating the Architecture of the Greater Mount St. Helens Magmatic System from Slab to Surface

边缘:合作研究:阐明大圣海伦斯山岩浆系统从板块到地表的结构

基本信息

  • 批准号:
    1444275
  • 负责人:
  • 金额:
    $ 34.12万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2014
  • 资助国家:
    美国
  • 起止时间:
    2014-04-01 至 2019-04-30
  • 项目状态:
    已结题

项目摘要

To better understand volcanic activity, it is fundamental to get an accurate representation of magma generation zones and storage regions in the Earth?s crust and upper mantle. Illuminating the architecture of the plumbing system beneath volcanoes will allow scientists to determine (1) at which depths and conditions magmas are generated, and (2) the shapes and sizes of pathways and reservoirs along which magma travels towards the surface. Such knowledge will allow scientists to make more informed predictions on the durations of volcanic crises and on the total volume of erupted material during eruptive episodes.This project focuses on the Mount St. Helens volcanic edifice, (WA, USA), whose explosive eruption in 1980 attracted world?s attention, and was the first volcano to be thoroughly monitored with modern instruments. Mount St. Helens provides an ideal setting to apply state-of-the-art geophysical and geochemical techniques to image its subterranean roots: It is active, easily accessible, and has a well recorded past history. The project will use several different methods (active and passive source seismic tomography and scattered wave imaging, magnetotelluric imaging, petrology and geochemistry), involving a large collaborative team, to image the volcano?s plumbing system with unprecedented resolution from the subducting plate to the surface. The results will be informative for many other volcanoes around the world, particularly those located along the infamous Pacific Ring of Fire.
为了更好地了解火山活动,获得地球上岩浆生成区和储存区的准确表示是至关重要的。地壳和上地幔。阐明火山下管道系统的结构将使科学家能够确定(1)岩浆产生的深度和条件,以及(2)岩浆向地表移动的路径和水库的形状和大小沿着。这些知识将使科学家能够对火山危机的持续时间和喷发期间喷发物质的总量作出更明智的预测。这是第一座用现代仪器进行全面监测的火山。圣海伦斯山提供了一个理想的环境,应用最先进的地球物理和地球化学技术来成像其地下根:它是活跃的,易于访问,并有一个良好的记录过去的历史。该项目将使用几种不同的方法(主动和被动源地震层析成像和散射波成像,大地电磁成像,岩石学和地球化学),涉及一个大型的合作团队,火山成像?以前所未有的分辨率从俯冲板块到地表观测到了地球的管道系统。研究结果将为世界上许多其他火山提供信息,特别是那些位于沿着臭名昭著的太平洋火环的火山。

项目成果

期刊论文数量(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Imaging Subduction Beneath Mount St. Helens: Implications for Slab Dehydration and Magma Transport
圣海伦斯火山下方的俯冲成像:对板块脱水和岩浆输送的影响
  • DOI:
    10.1029/2018gl081471
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    5.2
  • 作者:
    Mann, Michael Everett;Abers, Geoffrey A.;Crosbie, Kayla;Creager, Kenneth;Ulberg, Carl;Moran, Seth;Rondenay, Stéphane
  • 通讯作者:
    Rondenay, Stéphane
Shear Velocity Structure From Ambient Noise and Teleseismic Surface Wave Tomography in the Cascades Around Mount St. Helens
圣海伦斯山周围瀑布中环境噪声和远震表面波层析成像的切变速度结构
  • DOI:
    10.1029/2019jb017836
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Crosbie, Kayla J.;Abers, Geoffrey A.;Mann, Michael Everett;Janiszewski, Helen A.;Creager, Kenneth C.;Ulberg, Carl W.;Moran, Seth C.
  • 通讯作者:
    Moran, Seth C.
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Geoffrey Abers其他文献

Geoffrey Abers的其他文献

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{{ truncateString('Geoffrey Abers', 18)}}的其他基金

Systematic mapping of magma bodies under Cascades volcanoes
喀斯喀特火山下岩浆体的系统制图
  • 批准号:
    2313452
  • 财政年份:
    2023
  • 资助金额:
    $ 34.12万
  • 项目类别:
    Standard Grant
Collaborative Research: Investigating intraplate melting processes in northwest New Zealand with seismic imaging
合作研究:利用地震成像研究新西兰西北部的板内熔融过程
  • 批准号:
    2241063
  • 财政年份:
    2023
  • 资助金额:
    $ 34.12万
  • 项目类别:
    Continuing Grant
Collaborative Research: RAPID: Response to the 29 July 2021 Chignik M8.2 Earthquake
合作研究:RAPID:对 2021 年 7 月 29 日奇格尼克 M8.2 地震的响应
  • 批准号:
    2147438
  • 财政年份:
    2021
  • 资助金额:
    $ 34.12万
  • 项目类别:
    Standard Grant
Collaborative Research: Synthesizing arc-scale geochemical, petrologic, and geophysical datasets to investigate causes of volcanic diversity in the Cascade Arc
合作研究:综合弧级地球化学、岩石学和地球物理数据集,研究喀斯喀特弧火山多样性的原因
  • 批准号:
    1948834
  • 财政年份:
    2020
  • 资助金额:
    $ 34.12万
  • 项目类别:
    Continuing Grant
Collaborative Research: Behavior and structure on and around the megathrust revealed by the Alaska Amphibious Seismic Community Experiment
合作研究:阿拉斯加两栖地震社区实验揭示的巨型逆冲断层及其周围的行为和结构
  • 批准号:
    1949130
  • 财政年份:
    2020
  • 资助金额:
    $ 34.12万
  • 项目类别:
    Standard Grant
Collaborative research: Structure and dynamics of the Alaska mantle wedge
合作研究:阿拉斯加地幔楔的结构和动力学
  • 批准号:
    1829440
  • 财政年份:
    2018
  • 资助金额:
    $ 34.12万
  • 项目类别:
    Standard Grant
Alaska Amphibious Community Seismic Experiment
阿拉斯加两栖社区地震实验
  • 批准号:
    1654568
  • 财政年份:
    2017
  • 资助金额:
    $ 34.12万
  • 项目类别:
    Standard Grant
Collaborative Research: Fate and Consequences of Yakutat Terrane Subduction Beneath Eastern Alaska and the Wrangell Volcanic Field
合作研究:阿拉斯加东部和兰格尔火山场下雅库塔特地体俯冲的命运和后果
  • 批准号:
    1460291
  • 财政年份:
    2015
  • 资助金额:
    $ 34.12万
  • 项目类别:
    Continuing Grant
Thermal and melt structure of the Juan de Fuca plate from ridge to trench to arc, inferred from seismic attenuation across the Amphibious Array
根据两栖阵列的地震衰减推断,胡安德富卡板块从山脊到海沟再到弧线的热结构和熔体结构
  • 批准号:
    1536566
  • 财政年份:
    2015
  • 资助金额:
    $ 34.12万
  • 项目类别:
    Standard Grant
Collaborative Research: the role of fluids in intermediate-depth seismicity and wedge anisotropy: Case studies for Cascadia and Alaska, with a comparison to Japan
合作研究:流体在中深度地震活动和楔形各向异性中的作用:卡斯卡迪亚和阿拉斯加的案例研究,并与日本进行比较
  • 批准号:
    1446970
  • 财政年份:
    2014
  • 资助金额:
    $ 34.12万
  • 项目类别:
    Standard Grant

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