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Seismic Signatures of Segmentation Processes Along the Mid- Atlantic Ridge

Seismic Signatures of Segmentation Processes Along the Mid- Atlantic Ridge
大西洋中脊沿线分割过程的地震特征
批准号:
9019683
负责人:
G. Michael Purdy
金额:
$68.81万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1992
资助国家:
美国
项目状态:
已结题
起止时间:
1992-02-15 至 1994-07-31

项目摘要

项目成果

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中文摘要
翻译
该项目将部署一个由14个三组分海洋组成的阵列, 海底地震仪记录地震, 在北方中大西洋海岭沿着的两个地点,的 目标是:(1)确定地震震源, (2)对位于中谷的沉积物进行物源机制研究 反演P波和S波的走时和衰减 差异;(4)确定地震之间的关系 位置和物源特征,以及构造非均质性 到段长、中值谷宽、轴向地形起伏 地幔布格异常。
英文摘要
This project will deploy an array of 14 three-component ocean- bottom seismometers to record earthquakes for a period of about eight weeks at two sites along the northern Mid-Atlantic Ridge. The objectives are to: (1) locate the hypocenters of earthquakes within the median valley; (2) conduct source mechanism studies of located earthquakes; (3) invert P and S wave travel time and attenuation differences; and (4) define the relationships among earthquakes locations and source characteristics, and structural heterogeneity to segment length, median valley width, axial topographic relief and mantle Bouguer anomaly.
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The LDEO Deep-Sea Sample Repository and the Curating and Maintenance of the Sediment Library and Dredge Collection
  • 批准号:
    0751761
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $51.5万
  • 财政年份:
    2008
  • 负责人:
    G. Michael Purdy
  • 依托单位:
Replacement of the R/V Maurice Ewing by a Commercial 3D Seismic Vessel
  • 批准号:
    0407354
  • 项目类别:
    Cooperative Agreement
  • 资助金额:
    $0.0万
  • 财政年份:
    2004
  • 负责人:
    G. Michael Purdy
  • 依托单位:
An OBS Capable of One Year Deployments
  • 批准号:
    9217673
  • 项目类别:
    Standard Grant
  • 资助金额:
    $10.85万
  • 财政年份:
    1992
  • 负责人:
    G. Michael Purdy
  • 依托单位:
New Recording Systems for WHOI Ocean Bottom Hydrophones
  • 批准号:
    9019918
  • 项目类别:
    Standard Grant
  • 资助金额:
    $11.0万
  • 财政年份:
    1991
  • 负责人:
    G. Michael Purdy
  • 依托单位:
海外基金