Collaborative Research: Slow-Slip and Fluid Flow Response Offshore New Zealand -Probing The Nature Of The Margin Hydrogeochemical System

合作研究:新西兰近海慢滑移和流体流动响应 - 探索边缘水文地球化学系统的性质

基本信息

  • 批准号:
    1753665
  • 负责人:
  • 金额:
    $ 49.72万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2018
  • 资助国家:
    美国
  • 起止时间:
    2018-09-01 至 2023-08-31
  • 项目状态:
    已结题

项目摘要

Observations at subduction zones over the past two decades have revealed a range of modes by which stress is released on the plate boundary, including periodic slow slip behavior. Slow slip events occur at a rate intermediate between long-term tectonic plate motion and the fast slip velocity that occurs during earthquakes. Thus, slow slip is thought to span the transition between stable slip and the stick-slip process that generates earthquakes. An important mechanism that could cause the transitions in slip style is the evolution of pressure along the fault that is generated by the accumulation and release of fluids. There is a concerted and extensive international sampling and monitoring effort to understand slow slip at the Hikurangi margin offshore New Zealand. A missing piece in this effort is the sampling and monitoring of fluids along seafloor fault zones over a long enough period of time to capture a slip event. This project will address this problem and will provide a two-year continuous record of fluid flow rate and composition over the time frame of the next expected large slow slip event. The project will add value to other ongoing NSF-funded programs at this margin such as scientific ocean drilling and seismic surveys aimed at understanding slow slip events. From both the scientific and societal perspectives, results from this project will contribute to our understanding of earthquake activity not only offshore New Zealand but worldwide. This project has a large component of international collaboration. The project supports the training of graduate and undergraduate students. This project addresses the GeoPRISMS Program's Subduction Cycles and Deformation Initiative Science Plan by testing interrelationships between fluid production, fluid flow, and slow slip at the Hikurangi margin off New Zealand. At the Hikurangi margin, the recognition of dramatic changes in the along-strike depth distributions of slow-slip events (SSEs) and their recurrence intervals, interseismic coupling, inferred pore pressure, and other subduction-related parameters have resulted in a concerted international effort to acquire seismological, geodetic, other geophysical, and geomechanical data. This project will complement and extend these efforts by providing 1) a two-year continuous record of fluid flow rate and composition over the timeframe of the next expected large SSE; 2) information on the present background state of fluid flow and how it relates to inferred overpressure along the plate boundary; and 3) comparative geochemical and hydrologic data between the northern and southern sections of the margin. The work plan combines ship operations and Remotely Operated Vehicle (ROV) surveys in a nested approach to constrain the margin-wide fluid flow distribution. Coring, heat flow measurements, and benthic fluid flow meter deployments will target fault zones and off-fault locations from the deformation front to the shelf-break. Continuous fluid flow rate measurements at off-fault locations will quantify the fluid flow response to local volumetric strain during slip, and comparative data at fault zones will provide information on the hydrologic responses to slip.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.
过去20年对俯冲带的观察揭示了板块边界释放应力的一系列模式,包括周期性的慢滑行为。慢滑事件的发生速度介于长期构造板块运动和地震期间的快速滑动速度之间。因此,慢滑被认为跨越了稳定滑动和引发地震的粘滑过程之间的过渡。导致滑移式转换的一个重要机制是流体的聚集和释放所产生的沿断层的压力演化。为了了解新西兰近海Hikurangi边缘的缓慢滑动,有一个协调和广泛的国际采样和监测努力。这项工作中缺失的一部分是在足够长的一段时间内对海底断裂带的流体进行采样和监测,以捕捉滑动事件。该项目将解决这一问题,并将在下一次预期的大型慢滑事件的时间框架内提供两年的流体流速和成分的连续记录。该项目将为其他正在进行的NSF资助的项目增加价值,如科学海洋钻探和旨在了解慢滑事件的地震调查。从科学和社会的角度来看,该项目的成果将有助于我们不仅了解新西兰近海的地震活动,而且了解世界各地的地震活动。这个项目有很大一部分是国际合作的组成部分。该项目支持研究生和本科生的培养。该项目通过测试新西兰Hikurangi边缘的流体生产、流体流动和缓慢滑动之间的相互关系,解决了GeoPRISMS计划的俯冲旋回和变形倡议科学计划。在Hikurangi边缘,由于认识到慢滑事件(SSE)的沿走向深度分布及其重复间隔、地震间耦合、推断的孔隙压力和其他与俯冲有关的参数发生了巨大变化,国际上一致努力获取地震学、大地测量学、其他地球物理和地球力学数据。该项目将通过以下方式补充和扩展这些工作:1)在下一次预期的大型SSE的时间范围内,提供两年的流体流动速度和成分的连续记录;2)关于流体流动的当前背景状态及其与推断的沿板块边界的超压的关系的信息;以及3)边缘南北段之间的对比地球化学和水文数据。该工作计划将船舶作业和遥控运载工具(ROV)调查结合在一起,以嵌套方法限制边际范围内的流体流动分布。取心、热流测量和海底流体流量计部署将针对从变形前沿到陆架破裂的断裂带和断层区。断层外的连续流体流量测量将量化滑动过程中流体流动对局部体积应变的响应,断层带的比较数据将提供有关滑动的水文响应的信息。该奖项反映了NSF的法定使命,并通过使用基金会的智力优势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

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Marta Torres其他文献

Sedimentation Controls on Methane‐Hydrate Dynamics Across Glacial/Interglacial Stages: An Example From International Ocean Discovery Program Site U1517, Hikurangi Margin
冰期/间冰期甲烷水合物动力学的沉积控制:国际海洋发现计划站点 U1517(希库朗吉边缘)的示例
  • DOI:
    10.1029/2019gc008603
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    3.7
  • 作者:
    E. Screaton;Marta Torres;Brandon Dugan;K. Heeschen;J. Mountjoy;C. Ayres;P. Rose;I. Pecher;P. Barnes;L. Levay
  • 通讯作者:
    L. Levay
Boxplot fences in proficiency testing
能力验证中的箱线图围栏
Primary Cutaneous Anaplastic Large-Cell Lymphoma With 6p25.3 Rearrangement in a Cardiac Transplant Recipient: A Case Report and Review of the Literature.
心脏移植受者 6p25.3 重排的原发性皮肤间变性大细胞淋巴瘤:病例报告和文献综述。
  • DOI:
    10.1097/dad.0000000000000505
  • 发表时间:
    2016
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Luke C. Olson;E. Cheng;S. Mathew;Marta Torres;C. Magro
  • 通讯作者:
    C. Magro
576 - CORRELATION OF MACROSCOPIC AND MAGNETIC RESONANCE FINDINGS IN SHEEP CHONDRAL LESIONS TREATED WITH AUTOLOGOUS CHONDRAL PLATELET-RICH PLASMA MATRIX IMPLANTATION
  • DOI:
    10.1016/j.joca.2024.02.589
  • 发表时间:
    2024-04-01
  • 期刊:
  • 影响因子:
  • 作者:
    Pau Pelaez;José María Carrillo;Elena Damia;Belén Cuervo;Deborah Chicharro;Laura Miguel;Ayla Del Romero;Joaquín Sopena;Marta Torres;Ángel Hernandez;José Manuel Vilar;Mónica Rubio
  • 通讯作者:
    Mónica Rubio
Effects of Humidification on a CPAP Experimental Rat Model
  • DOI:
    10.1016/j.otohns.2008.05.547
  • 发表时间:
    2008-08-01
  • 期刊:
  • 影响因子:
  • 作者:
    Isabel Vilaseca;Brigida Meritxell Martinez Vidal;Josep Maria Montserrat;Marta Torres;Isaac Almendros;Ramon Farre
  • 通讯作者:
    Ramon Farre

Marta Torres的其他文献

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{{ truncateString('Marta Torres', 18)}}的其他基金

Collaborative Research: On how the Bengal-Nicobar fan deposition influenced carbonate cementation in the incoming sediment to the Sumatra subduction zone (IODP Exp 362)
合作研究:孟加拉-尼科巴扇沉积如何影响苏门答腊俯冲带传入沉积物中的碳酸盐胶结作用(IODP Exp 362)
  • 批准号:
    1833296
  • 财政年份:
    2018
  • 资助金额:
    $ 49.72万
  • 项目类别:
    Standard Grant
Collaborative Research: Pythia's Oasis - Access to Deep Subduction Zone Fluids
合作研究:皮提亚的绿洲 - 获取深俯冲带流体
  • 批准号:
    1657084
  • 财政年份:
    2017
  • 资助金额:
    $ 49.72万
  • 项目类别:
    Standard Grant
Geochemical tracers to establish the significance and timing of gas hydrate induced slide failure in the Hikurangi margin, as a component of the SLAMZ project
作为 SLAMZ 项目的一部分,地球化学示踪剂用于确定 Hikurangi 边缘天然气水合物引起的滑动破坏的重要性和时间
  • 批准号:
    1557519
  • 财政年份:
    2016
  • 资助金额:
    $ 49.72万
  • 项目类别:
    Standard Grant
A mini-workshop to define scientific strategies and next steps for optimizing the OOI-node on Hydrate Ridge
一个小型研讨会,旨在定义优化 Hydrate Ridge 上 OOI 节点的科学策略和后续步骤
  • 批准号:
    1608177
  • 财政年份:
    2016
  • 资助金额:
    $ 49.72万
  • 项目类别:
    Standard Grant
Early Career Scientist Participation Grant for the 2016 Gordon Conference Workshop on Natural Gas Hydrates Entitled: From the Interface to Observatories
2016 年戈登会议天然气水合物研讨会的早期职业科学家参与资助,题为:从界面到观测站
  • 批准号:
    1535728
  • 财政年份:
    2015
  • 资助金额:
    $ 49.72万
  • 项目类别:
    Standard Grant
Collaborative Research: Expedition 322 Objective Research on Sediment-Pore Water Interactions Controlling Sediment Cementation and Deformation in the NanTroSEIZE Drilling Transect
合作研究:Expedition 322 沉积物与孔隙水相互作用的客观研究控制 NanTroSEIZE 钻探断面的沉积物胶结和变形
  • 批准号:
    1059924
  • 财政年份:
    2011
  • 资助金额:
    $ 49.72万
  • 项目类别:
    Standard Grant
Collaborative Research:Expedition 322 Objective Research on the nature and history of subsurface flow within the Nankai sediments prior to subduction
合作研究:322探险队 目的 研究俯冲前南开沉积物内地下流的性质和历史
  • 批准号:
    1029981
  • 财政年份:
    2010
  • 资助金额:
    $ 49.72万
  • 项目类别:
    Standard Grant
Effect of Cold Seepage on Ba and Ra Fluxes and on Chemical Signatures of Barite in the San Clemente Basin
冷渗流对圣克莱门特盆地 Ba 和 Ra 通量以及重晶石化学特征的影响
  • 批准号:
    0221160
  • 财政年份:
    2003
  • 资助金额:
    $ 49.72万
  • 项目类别:
    Continuing Grant
Developing "Suitcase Lessons in Oceanography" for K-6 students in concert with the FOSS-based science curriculum currently in use by a tri-county Educational Service District
与三县教育服务区当前使用的基于 FOSS 的科学课程相结合,为 K-6 学生开发“海洋学手提箱课程”
  • 批准号:
    0224566
  • 财政年份:
    2002
  • 资助金额:
    $ 49.72万
  • 项目类别:
    Standard Grant
Collaborative Research: Geochemical Consequences of Extensive Gas Hydrate Formation in Sediments of the Cascadia Accfetionaly Prism
合作研究:卡斯卡迪亚棱镜沉积物中大量气体水合物形成的地球化学后果
  • 批准号:
    9731157
  • 财政年份:
    1998
  • 资助金额:
    $ 49.72万
  • 项目类别:
    Continuing Grant

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合作研究:链变换断层:了解慢滑海洋变换系统的动态行为
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