A Towed Electromagnetic Survey System for Mapping Shallow Sedimentation Porosity

用于绘制浅层沉积孔隙度的拖曳式电磁勘探系统

基本信息

  • 批准号:
    9818163
  • 负责人:
  • 金额:
    $ 16.6万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    1999
  • 资助国家:
    美国
  • 起止时间:
    1999-03-01 至 2003-02-28
  • 项目状态:
    已结题

项目摘要

Funds are provided to purchase and develop a towed electromagnetic (EM) survey system which determines the porosity structure of the upper sediment column (1-20m below seafloor) across the continental shelf and slope. Such a device builds upon a similar, but unique system developed in Canada that was successfully used to identify regions of shallow gas and/or fresh water seeps. The method is able to provide quantitative estimates of sedimentary porosities over much larger areas than any other technique that currently exists. Towed EM instruments are the only tools able to provide quantitative estimates of porosity in noncohesive sediments. Combining EM data with more conventional geophysical measurements allows investigators to understand how porosity and permeability of sediments evolve through time.The EM survey system will be used in a multi-disciplinary manner to determine processes which shape the formation and evolution of the continental shelf, the critical boundary between continent and deep ocean. In particular they directly address issues of understanding process and product in shallow waters, identified as a key research area by the MARGINS initiative.
已提供资金购买和开发拖曳式电磁测量系统,以确定大陆架和陆坡上部沉积柱(海底以下1至20米)的孔隙结构。这种装置建立在加拿大开发的一种类似但独特的系统基础上,该系统已成功用于识别浅层天然气和/或淡水渗漏区域。该方法能够提供比目前存在的任何其他技术更大面积的沉积孔隙度的定量估计。拖曳EM仪器是唯一能够提供非粘性沉积物孔隙度定量估计的工具。将电磁数据与更传统的地球物理测量相结合,使研究人员能够了解沉积物的孔隙度和渗透率如何随时间而演变。电磁测量系统将以多学科的方式用于确定大陆架形成和演变的过程,大陆架是大陆和深海之间的关键边界。特别是,它们直接涉及理解浅水沃茨的过程和产品的问题,这是MARGINS倡议确定的一个关键研究领域。

项目成果

期刊论文数量(0)
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会议论文数量(0)
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Robert Evans其他文献

Optical characterisation of three reference Dobsons in the ATMOZ Project – verification of G. M. B. Dobson's original specifications
ATMOZ 项目中三个参考 Dobson 的光学特性 – 验证 G. M. B. Dobson 的原始规格
  • DOI:
    10.5194/amt-11-1989-2018
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    0
  • 作者:
    U. Köhler;S. Nevas;G. Mcconville;Robert Evans;M. Smíd;M. Staněk;A. Redondas;Fritz Schönenborn
  • 通讯作者:
    Fritz Schönenborn
Decay of correlation functions in hard-sphere mixtures: structural crossover.
硬球混合物中相关函数的衰减:结构交叉。
  • DOI:
    10.1063/1.1798057
  • 发表时间:
    2004
  • 期刊:
  • 影响因子:
    0
  • 作者:
    C. Grodon;Marjolein Dijkstra;Robert Evans;Roland Roth
  • 通讯作者:
    Roland Roth
Longitudinal shrinkage behaviour of compression wood in radiata pine
  • DOI:
    10.1007/s00226-008-0228-z
  • 发表时间:
    2008-10-11
  • 期刊:
  • 影响因子:
    3.000
  • 作者:
    Ping Xu;Huawu Liu;Robert Evans;Lloyd A. Donaldson
  • 通讯作者:
    Lloyd A. Donaldson
不同海拔青海云杉木材细胞结构对气候因素的响应
  • DOI:
  • 发表时间:
    2015
  • 期刊:
  • 影响因子:
    0
  • 作者:
    徐金梅;张冉;吕建雄;Robert Evans
  • 通讯作者:
    Robert Evans
Solvation force in two-dimensional Ising strips.
二维伊辛条中的溶剂力。

Robert Evans的其他文献

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{{ truncateString('Robert Evans', 18)}}的其他基金

Collaborative Research: The influence of incoming plate structure and fluids on arc melt generation at the Lesser Antilles subduction system
合作研究:来料板结构和流体对小安的列斯群岛俯冲系统电弧熔化产生的影响
  • 批准号:
    2316136
  • 财政年份:
    2024
  • 资助金额:
    $ 16.6万
  • 项目类别:
    Continuing Grant
Collaborative Research: Dry Rifting In the Albertine-Rhino Graben (DRIAR), Uganda
合作研究:乌干达艾伯丁-犀牛地堑 (DRIAR) 的干裂谷
  • 批准号:
    2021692
  • 财政年份:
    2020
  • 资助金额:
    $ 16.6万
  • 项目类别:
    Continuing Grant
Porosity Structure and Earthquake Rupture Dynamics at the GOFAR Fracture Zone
GOFAR断裂带的孔隙结构和地震破裂动力学
  • 批准号:
    1922528
  • 财政年份:
    2020
  • 资助金额:
    $ 16.6万
  • 项目类别:
    Continuing Grant
Collaborative Research: Marine EM Survey of Fluids in the Alaskan Megathrust
合作研究:阿拉斯加巨型逆冲断层流体的海洋电磁勘探
  • 批准号:
    1654619
  • 财政年份:
    2018
  • 资助金额:
    $ 16.6万
  • 项目类别:
    Continuing Grant
RAPID: Collaborative Research: Response to the 2016 M5.8 Pawnee Earthquake: Using MT to map Fluids in Faults
RAPID:协作研究:响应 2016 年 M5.8 波尼地震:使用 MT 绘制断层中的流体图
  • 批准号:
    1664473
  • 财政年份:
    2016
  • 资助金额:
    $ 16.6万
  • 项目类别:
    Standard Grant
MAGIC MT - Uplift of the Appalachians
MAGIC MT - 阿巴拉契亚山脉的隆起
  • 批准号:
    1460257
  • 财政年份:
    2015
  • 资助金额:
    $ 16.6万
  • 项目类别:
    Continuing Grant
Collaborative Research: A Pilot Study for Electromagnetic Surveying of Freshwater Resources Beneath the US Atlantic Continental Shelf
合作研究:美国大西洋大陆架淡水资源电磁测量试点研究
  • 批准号:
    1459035
  • 财政年份:
    2015
  • 资助金额:
    $ 16.6万
  • 项目类别:
    Continuing Grant
Structure of the Lithosphere - Asthenosphere Boundary Across the Northeastern US Margin from Seafloor MT Data
从海底 MT 数据看美国东北部边缘的岩石圈-软流圈边界结构
  • 批准号:
    1536161
  • 财政年份:
    2015
  • 资助金额:
    $ 16.6万
  • 项目类别:
    Standard Grant
SBIR Phase I: High Efficiency Gasification of Wood for Integrated Production of Hydrogen, Power, Wood Pellets and Activated Carbon
SBIR 第一阶段:木材高效气化,综合生产氢气、电力、木屑颗粒和活性炭
  • 批准号:
    1047320
  • 财政年份:
    2011
  • 资助金额:
    $ 16.6万
  • 项目类别:
    Standard Grant
MRI-R2: Development of the New Generation of Long-Period Seafloor MT Instrumentation
MRI-R2:新一代长周期海底大地电磁仪器的开发
  • 批准号:
    0958878
  • 财政年份:
    2010
  • 资助金额:
    $ 16.6万
  • 项目类别:
    Standard Grant

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Hikurangi Trench Regional Electromagnetic Survey to Image the Subduction Thrust
希库朗吉海沟区域电磁勘探对俯冲冲断层进行成像
  • 批准号:
    1737328
  • 财政年份:
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  • 批准号:
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  • 批准号:
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合作研究:EAGER:麦克默多干谷地区概念验证瞬态电磁调查的处理、解释和传播
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合作研究:EAGER:麦克默多干谷地区概念验证瞬态电磁调查的处理、解释和传播
  • 批准号:
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