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
基本信息
- 批准号:2317730
- 负责人:
- 金额:$ 57.32万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2023
- 资助国家:美国
- 起止时间:2023-10-01 至 2028-09-30
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
Volcanic landscapes pose a variety of natural hazards to local and regional communities, including volcanic explosions and outpouring of lava, large-scale land sliding of resulting steep terrains, and the formation of shallow hydrothermal systems. The hydrothermal systems affect water quality and weaken the overlying rocks further increasing the likelihood of major landslides. Larger volcanic eruptions may impact air traffic and therefore disrupt the global economy. Several of these geohazards occurred during the large 2011-12 eruption of Cordón Caulle, Chile, with its volcanic ash plume reaching large parts of South America including Buenos Aires. The natural hazards continue to pose a major risk for the region, because the eruption was accompanied by a shallow intrusion of magma that has established a vigorous hydrothermal system within a steep edifice scarred by numerous large surface cracks, indicative of slope instability. This eruption sequence, the near-surface intrusion, and its surroundings present a unique opportunity to advance our understanding of the genesis and current state of this recently formed intrusion, which serves as a model for near-surface magmatic intrusions globally. The goal of this project is ability to evaluate and understand the natural hazards associated with intrusions, in particular those arising from the interactions between surface processes, hydrothermal, and magmatic processes. Furthermore, the proposed work aims to advance our understanding of how volcanic eruptions transition from explosive to effusive behavior and these transitions may lead to the formation of shallow intrusions. In addition to building a strong US-Chilean collaborative effort with this project, the team will facilitate a large community-research component, where students will be invited to participate in field and other research activities.Subduction zones create volcanic arcs that are dynamic environments of steep terrain built and modified by the interplay between volcanic, plutonic, and landscape processes. Water acts as the key agent for dynamical interactions, in the form of the hydrothermal system that exists in the shallow subsurface and in the form of erosional processes. Understanding of how the magmatic-hydrothermal sphere and surface- and hydrosphere interact when volcanic activity fundamentally alters the landscape on decadal time scales remains a major challenge. The proposed project is centered around the 2011-12 Córdon Caulle laccolith, one of the most dynamic landscapes on Earth. It is unique because of the intersection of an active plutonic and volcanic realm with the shallow subsurface and surface. It affords the opportunity to study ongoing processes that act at the intersection of magma pathways to the surface, shallow magma intrusion, hydrosphere, and surface. The focus will be on enhancing knowledge about laccolith initiation and development through the integration of existing and newly proposed observations with geophysical and geochemical models, in order to ascertain the current state of the system and project its future evolution. The project combines methods of volcanology, geophysics, aqueous geochemistry, and geomorphology. It will add new insight into the internal and external processes that build and modify near-surface intrusions. It aims to answer why buoyant magma, despite having already an open path to the surface, intruded laterally within hundreds of meters of the surface. Beyond exploration of laccolith genesis, the project seeks to provide a basis for assessing its current state and future evolution through the integration of a wide range of existing and newly proposed observations of structure, mass and heat flux in and out of the intrusion, and its surface evolution as modulated by the interior and exterior processes. The project will foster international collaborations that strengthen scientific relationships between the US and Chile. The project will have an open structure that actively broadens the science community working on this volcanic system via a field school component. An outreach component will involve rural middle schools that are directly affected by regional volcanism. This project is jointly funded by Frontier Research in Earth Sciences (FRES) and the Established Program to Stimulate Competitive Research (EPSCoR).This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
火山景观给当地和区域社区带来了各种自然灾害,包括火山爆发和熔岩的涌出,导致陡峭地形的大规模陆地滑动,以及浅层热液系统的形成。热液系统影响水质并削弱上覆岩石,进一步增加了发生大型滑坡的可能性。较大的火山爆发可能会影响空中交通,从而扰乱全球经济。其中几次地质灾害发生在2011-12年智利Cordón Caulle大喷发期间,火山灰柱到达了包括布宜诺斯艾利斯在内的南美洲大部分地区。自然灾害继续对该地区构成重大威胁,因为火山喷发伴随着岩浆的浅层侵入,在陡峭的大厦内建立了一个充满活力的热液系统,大厦表面有许多大裂缝,表明边坡不稳定。这一喷发序列、近地表侵入体及其周围环境提供了一个独特的机会,可以促进我们对这一新近形成的侵入体的成因和现状的理解,并作为全球近地表岩浆侵入体的模型。该项目的目标是评估和了解与入侵有关的自然灾害,特别是那些由地表过程、热液和岩浆过程之间的相互作用引起的灾害。此外,提出的工作旨在促进我们对火山喷发如何从爆炸性行为转变为喷涌行为的理解,以及这些转变可能导致浅层侵入体的形成。除了通过该项目建立强大的美智合作努力外,该团队还将促进一个大型社区研究组成部分,学生将被邀请参加实地和其他研究活动。俯冲带创造了火山弧,火山弧是陡峭地形的动态环境,由火山、深成岩和景观过程之间的相互作用所建立和修改。水作为动力相互作用的关键因素,以存在于浅层地下的热液系统的形式和以侵蚀过程的形式存在。当火山活动在十年时间尺度上从根本上改变景观时,了解岩浆热液圈和地表水圈如何相互作用仍然是一个重大挑战。拟议的项目以2011-12年Córdon Caulle laccolith为中心,这是地球上最具活力的景观之一。它的独特之处在于活跃的深成和火山领域与浅层地下和地表的交集。它提供了一个机会来研究正在进行的过程,这些过程发生在岩浆通道到地表、浅层岩浆侵入、水圈和地表的交汇处。重点将是通过将现有的和新提出的观测资料与地球物理和地球化学模型结合起来,加强关于熔岩形成和发展的知识,以便确定该系统的现状并预测其未来的演变。该项目结合了火山学、地球物理学、水地球化学和地貌学的方法。它将为构建和修改近地表入侵的内部和外部过程提供新的见解。它的目的是回答为什么浮力岩浆,尽管已经有一条通往地表的通道,却在距离地表数百米的范围内横向侵入。除了探索溶石的起源,该项目还试图通过整合现有的和新提出的对侵入体内外的结构、质量和热通量的广泛观察,以及由内部和外部过程调节的表面演变,为评估其现状和未来的演变提供基础。该项目将促进国际合作,加强美国和智利之间的科学关系。该项目将有一个开放的结构,通过一个实地学校的组成部分,积极拓宽科学社区对这个火山系统的研究。一个外联部分将涉及直接受区域火山活动影响的农村中学。该项目由地球科学前沿研究(FRES)和促进竞争性研究的既定计划(EPSCoR)共同资助。该奖项反映了美国国家科学基金会的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。
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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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
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:
$ 57.32万 - 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:
$ 57.32万 - 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:
$ 57.32万 - 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:
$ 57.32万 - 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:
$ 57.32万 - 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:
$ 57.32万 - 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:
$ 57.32万 - 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:
$ 57.32万 - 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:
$ 57.32万 - 项目类别:
Standard Grant
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
- 批准号:
0510719 - 财政年份:2005
- 资助金额:
$ 57.32万 - 项目类别:
Continuing Grant
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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
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Continuing Grant
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Collaborative Research: The interplay of surface evolution, shallow magmatism, a large hydrothermal system, and hazards at Puyehue-Cordon Caulle Volcanic Complex, Chile
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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
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