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
基本信息
- 批准号:1824160
- 负责人:
- 金额:$ 14.99万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2018
- 资助国家:美国
- 起止时间:2018-08-15 至 2024-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Volcanic eruptions pose one of the principal hazards at tectonically active continental margins, such as the Pacific northwestern United States, which are of ever increasing economic and existential importance to expanding populations. The project will enhance knowledge of the conditions that lead to eruptions of silica-rich magmas, which can be large and impactful. Furthermore, it will boost understanding of the fundamental processes that determine the progression of volcanic eruptions, from inception to cessation, which remains difficult to forecast. Consequently, the project transcends the purely academic and is societally relevant by advancing natural hazard assessment capabilities. The project supports education by enabling the interdisciplinary training of graduate and undergraduate students as well as a postdoctoral scholar, thus contributing to the development of a diverse and globally competitive workforce.The project's objective is to advance fundamental knowledge of how volcanoes work by simulating a volcanic eruption from initial explosive activity through lava effusion, to termination of the eruption and post-eruptive inflation, using the 2011/12 Cordon Caulle eruption in Chile as a case study. For this eruption the run-up, the syn-eruptive evolution, and the post-eruptive reconfiguration of the volcanic system were documented in unprecedented detail. The project is multi-disciplinary and encompasses geochemistry, petrology and geodesy, in addition to numerical simulation of magma storage and eruption. The project is multi-institutional -- the portion of the project at Cornell University focuses on geodesy and numerical simulations in collaboration with the other institutions. New observational data will be acquired and integrated with existing observations in order to simulate the eruptive progression of the eruption. The eruption was initially explosive and over time eruption rates decreased with activity shifting from purely explosive to effusive, resulting in the formation of a large lava flow and shallow laccolith. The current view about these types of eruptions is that effusive or explosive activity are possible under otherwise identical conditions and with potentially rapid transitions from one to the other. A goal of the project is the assessment of conditions resulting in transitions in eruptive activity in order to test this explosive-effusive bistability hypothesis. Rapid post-eruptive inflation was observed and a further goal is to assess the extent to which the system has been driven back toward a critical state. These goals will be achieved by integrating the different observational data within extensive physics-based model simulations that will lead to improvements in model reliability and further our understanding of underlying processes at Cordon Caulle and similar hazardous volcanic systems elsewhere.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.
火山爆发是构造活动大陆边缘的主要危险之一,例如美国西北太平洋地区,对不断扩大的人口具有日益增长的经济和生存重要性。该项目将增进对导致富含二氧化硅的岩浆喷发的条件的了解,这些岩浆可能是巨大的和有影响力的。此外,它还将促进对决定火山爆发从开始到停止的基本过程的了解,火山爆发仍然难以预测。因此,该项目超越了纯学术性,通过提高自然灾害评估能力而具有社会相关性。该项目通过对研究生和本科生以及博士后学者进行跨学科培训来支持教育,从而为培养具有全球竞争力的多样化劳动力做出贡献。该项目的目标是通过模拟火山喷发,从最初的爆炸活动到熔岩溢出,再到喷发结束和喷发后的通货膨胀,来提高对火山活动的基本认识。使用2011/12年智利Cordon Caulle火山爆发作为案例研究。对于这次喷发的助跑,同喷发的演变,和火山系统的喷发后重新配置记录在前所未有的细节。该项目是多学科的,包括地球化学、岩石学和大地测量学,以及岩浆储存和喷发的数值模拟。该项目涉及多个机构-康奈尔大学的项目部分侧重于与其他机构合作进行大地测量和数值模拟。 将获取新的观测数据,并将其与现有观测数据相结合,以模拟火山爆发的进程。喷发最初是爆炸性的,随着时间的推移,喷发率下降,活动从纯粹的爆炸性转变为喷涌性,导致形成大的熔岩流和浅的岩盖。目前关于这些类型的喷发的观点是,在其他方面相同的条件下,可能发生喷涌或爆炸活动,并可能从一种快速过渡到另一种。该项目的一个目标是评估导致喷发活动转变的条件,以检验这一爆炸-喷出双稳性假设。观察到爆发后的快速通货膨胀,进一步的目标是评估系统被驱回临界状态的程度。这些目标将通过在广泛的基于物理的模型模拟中整合不同的观测数据来实现,这将导致模型可靠性的提高,并进一步加深我们对Cordon Caulle和其他地方类似危险火山系统的基本过程的理解。该奖项反映了NSF的法定使命,并被认为值得通过使用基金会的智力价值和更广泛的影响审查标准进行评估来支持。
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)
Physicochemical models of effusive rhyolitic eruptions constrained with InSAR and DEM data: A case study of the 2011-2012 Cordón Caulle eruption
InSAR 和 DEM 数据约束的喷发流纹岩喷发的物理化学模型:2011-2012 年 Cordón Caulle 喷发的案例研究
- DOI:10.1016/j.epsl.2019.115736
- 发表时间:2019
- 期刊:
- 影响因子:5.3
- 作者:Delgado, Francisco;Kubanek, Julia;Anderson, Kyle;Lundgren, Paul;Pritchard, Matthew
- 通讯作者:Pritchard, Matthew
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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:
$ 14.99万 - 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:
$ 14.99万 - 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:
$ 14.99万 - 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:
$ 14.99万 - 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:
$ 14.99万 - 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:
$ 14.99万 - 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:
$ 14.99万 - 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:
$ 14.99万 - 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:
$ 14.99万 - 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:
$ 14.99万 - 项目类别:
Continuing Grant
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