Water Column Survey of Hydrothermal Discharge Along the EastPacific Rise, 9-11 Degrees North

北纬 9-11 度东太平洋海隆沿线热液排放水柱调查

基本信息

  • 批准号:
    9020405
  • 负责人:
  • 金额:
    $ 19.54万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    1991
  • 资助国家:
    美国
  • 起止时间:
    1991-02-15 至 1994-01-31
  • 项目状态:
    已结题

项目摘要

New oceanic crust forms along the mid-ocean ridge axis by a complex interplay of magmatic, tectonic, and hydrothermal processes. These processes are known to vary significantly along the axis, as manifested by division of the ridge into segments bounded by transform faults and overlapping spreading centers. Hydrothermal venting along the mid-ocean ridge is a first-order process that is responsible for much of the heat loss from the ridge axis. This project will determine the distribution, relative intensity, and first-order chemical characteristics of hydrothermal venting along the morphologically, geophysically, and pertologically well-known segments of the East Pacific Rise between 9 03N and 10N by surveying the water column for hydrothermal plumes. This section of the ridge was chosen because it is well-studied, and because it encompasses portions of mid-ocean ridge with high magma supply as well as portions that are magmatically starved.
通过岩浆、构造和热液作用的复杂相互作用,沿着大洋中脊轴线形成了新的洋壳。众所周知,这些过程沿着轴线变化很大,表现为隆起被转换断层和重叠的扩张中心划分为多个部分。沿大洋中脊的热液喷发是一个一级过程,它是脊轴热量损失的主要原因。该项目将通过测量热液羽流的水柱,确定东太平洋隆起在北纬903度至北纬10度之间沿地貌、地球物理和渗透层知名地段的热液喷发的分布、相对强度和一级化学特征。之所以选择这一段海脊,是因为它经过了充分的研究,因为它包括了大洋中脊岩浆供应丰富的部分,以及岩浆极度匮乏的部分。

项目成果

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Michael Mottl其他文献

Michael Mottl的其他文献

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{{ truncateString('Michael Mottl', 18)}}的其他基金

Collaborative Research: Integrated Data Management for Hydrothermal Spring Geochemistry
合作研究:热泉地球化学综合数据管理
  • 批准号:
    0819399
  • 财政年份:
    2008
  • 资助金额:
    $ 19.54万
  • 项目类别:
    Standard Grant
Collaborative Research: Modeling the chemistry, origin, and evolution of subduction zone fluids rising beneath the Mariana forearc
合作研究:模拟马里亚纳弧前上升的俯冲带流体的化学、起源和演化
  • 批准号:
    0646630
  • 财政年份:
    2007
  • 资助金额:
    $ 19.54万
  • 项目类别:
    Standard Grant
Collaborative Research: Sampling and Initial Characterization of Hydrothermal Fluids, Deposits, Microfauna, and Megafauna at Vent Fields along the Eastern Lau Spreading Center
合作研究:东刘传播中心沿线热液、沉积物、微型动物和巨型动物的采样和初步表征
  • 批准号:
    0241826
  • 财政年份:
    2004
  • 资助金额:
    $ 19.54万
  • 项目类别:
    Continuing Grant
Exchange Processes between the Oceans and Young Oceanic Crust, Eastern Flank of the East Pacific Rise Near 14 Degrees S
海洋与年轻洋壳之间的交换过程,东太平洋东侧上升近南纬 14 度
  • 批准号:
    9911933
  • 财政年份:
    2000
  • 资助金额:
    $ 19.54万
  • 项目类别:
    Continuing Grant
Collaborative Research: Recharge, Discharge, and Routes of Fluid Flow Within Young Oceanic Crust at the Juan de Fuca Ridge
合作研究:胡安德富卡海岭年轻洋壳内的补给、排出和流体流动路线
  • 批准号:
    9819974
  • 财政年份:
    1999
  • 资助金额:
    $ 19.54万
  • 项目类别:
    Continuing Grant
Hydrothermal Venting through Outcrops on the Eastern Flank of the Juan de Fuca Ridge near 48 Degrees N: A Manned Submersible Investigation
北纬 48 度附近胡安德富卡山脊东侧露头的热液排放:载人潜水器调查
  • 批准号:
    9314632
  • 财政年份:
    1995
  • 资助金额:
    $ 19.54万
  • 项目类别:
    Continuing Grant
Hydrothermal Upwelling Through Outcrops on the Eastern Flankof the Juan de Fuca Ridge Near 48 Degrees North
北纬 48 度附近胡安德富卡海岭东侧露头的热液上升流
  • 批准号:
    9203458
  • 财政年份:
    1992
  • 资助金额:
    $ 19.54万
  • 项目类别:
    Standard Grant
REU: Hydrothermal Circulation in a Sedimented Ridge Flank Environment
REU:沉积脊侧环境中的热液循环
  • 批准号:
    8912740
  • 财政年份:
    1990
  • 资助金额:
    $ 19.54万
  • 项目类别:
    Continuing Grant
Chemical and Physical Studies of Hydrothermal Plumes at the Mid-Ocean Ridge Axis
大洋中脊轴热液羽流的化学和物理研究
  • 批准号:
    8712475
  • 财政年份:
    1988
  • 资助金额:
    $ 19.54万
  • 项目类别:
    Continuing Grant
Convection and Advection in the Oceanic Crust: Costa Rica Rift System
洋壳中的对流和平流:哥斯达黎加裂谷系统
  • 批准号:
    8608261
  • 财政年份:
    1986
  • 资助金额:
    $ 19.54万
  • 项目类别:
    Continuing Grant

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细尺度水柱结构和颗粒聚集是否有利于亚热带大陆架环境中以凝胶状为主的食物网?
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