The Impact of Subsurface Fluid Advection on Coastal Ocean Chemistry

地下流体平流对沿海海洋化学的影响

基本信息

  • 批准号:
    9712298
  • 负责人:
  • 金额:
    $ 45.57万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    1997
  • 资助国家:
    美国
  • 起止时间:
    1997-10-01 至 2001-09-30
  • 项目状态:
    已结题

项目摘要

Moore (OCE-9712298) ABSTRACT Moore, Shaw- OCE 9711298 The impact of submarine groundwater discharges (SGWD) on the coastal ocean has been suggested to be quite significant for a variety of chemical cycles and biogeochemical processes in the near shore region. Data however to quantify and chemically characterize these groundwater fluxes are difficult to obtain and are lacking in ocean and hydrological sciences. The lead PI Moore has already shown that the key to determining the scale of SGWD are measurements of short-lived radium isotopes, 223Ra and 224Ra, and the longer lived 226Ra. The association with the second PI Shaw, adds the important expertise to measure Ba and stable trace elements, so that the PI's can better evaluate the influence of these groundwater fluxes on a broad range of trace elements and nutrients that are of wider interest to the marine sciences, hyrological sciences and coastal management communities. The PI's propose to place bounds on the fluxes and inputs of groundwaters using a regional sampling approach. During the project, field sampling will be conducted on three major cruises in the South Atlantic Bight between North Carolina and Florida. Shorter cruises are proposed to respond to specific drought, storm or rainfall events. Groundwater investigations utilizing existing wells near these study sites are also proposed. Overall, the combination of their unique tracer measurements and ancillary data will allow the PI's to evaluate the impact of goundwater fluxes on the coastal oceans, and the important controls on the strengths and composition of these fluxes.
摩尔(OCE-9712298) 摘要 摩尔,肖- OCE 9711298 海底地下水排放对海岸海域的各种化学循环和海洋地球化学过程具有重要的影响。 然而,难以获得数据来量化和化学表征这些地下水通量,海洋和水文科学也缺乏这些数据。 铅PI摩尔已经表明,确定SGWD规模的关键是测量短寿命的镭同位素223 Ra和224 Ra,以及寿命较长的226 Ra。 与第二个PI Shaw的合作增加了测量Ba和稳定微量元素的重要专业知识,因此PI可以更好地评估这些地下水通量对海洋科学,水文科学和沿海管理社区更广泛感兴趣的各种微量元素和营养素的影响。 PI建议使用区域抽样方法对地下水的通量和输入进行限制。 在该项目期间,将在北卡罗来纳州和佛罗里达之间的南大西洋湾的三次主要航行中进行实地取样。 为应对具体的干旱、风暴或降雨事件,建议进行较短的航行。 地下水调查利用现有的 还建议在这些研究地点附近打威尔斯井。 总的来说,其独特的示踪剂测量和辅助数据的组合将使PI的,以评估地下水通量对沿海海洋的影响,以及这些通量的强度和组成的重要控制。

项目成果

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Willard Moore其他文献

Willard Moore的其他文献

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{{ truncateString('Willard Moore', 18)}}的其他基金

Collaborative Research: US GEOTRACES PMT: Sources and Rates of Trace Element and Isotope Cycling Derived from the Radium Quartet
合作研究:美国 GEOTRACES PMT:源自镭四重奏的微量元素和同位素循环的来源和速率
  • 批准号:
    1736321
  • 财政年份:
    2018
  • 资助金额:
    $ 45.57万
  • 项目类别:
    Continuing Grant
Collaborative Research: GEOTRACES Arctic Section: Radium and Thorium Isotopes as Natural Geochemical Tracers in the Arctic Ocean
合作研究:GEOTRACES 北极部分:镭和钍同位素作为北冰洋的天然地球化学示踪剂
  • 批准号:
    1458424
  • 财政年份:
    2015
  • 资助金额:
    $ 45.57万
  • 项目类别:
    Continuing Grant
Collaborative Research: US GEOTRACES Pacific Zonal Transect: Rates of supply, removal and internal cycling of trace elements and isotopes
合作研究:美国 GEOTRACES 太平洋地带横断面:微量元素和同位素的供应、去除和内部循环率
  • 批准号:
    1231211
  • 财政年份:
    2012
  • 资助金额:
    $ 45.57万
  • 项目类别:
    Continuing Grant
Collaborative Research: GEOTRACES Atlantic Section: Trace Element Sources and Sinks Elucidated by Short-Lived Radium and Thorium Isotopes
合作研究:GEOTRACES 大西洋部分:短命镭和钍同位素阐明的微量元素源和汇
  • 批准号:
    0926559
  • 财政年份:
    2010
  • 资助金额:
    $ 45.57万
  • 项目类别:
    Standard Grant
Collaborative Research: GEOTRACES: Intercalibration exercise for Radium Isotopes in seawater
合作研究:GEOTRACES:海水中镭同位素的相互校准练习
  • 批准号:
    0751867
  • 财政年份:
    2008
  • 资助金额:
    $ 45.57万
  • 项目类别:
    Standard Grant
Collaborative Research: Chemistry of Groundwater Transport Pathways Associated with a Coastal Lagoon System
合作研究:与沿海泻湖系统相关的地下水输送路径的化学
  • 批准号:
    0233657
  • 财政年份:
    2003
  • 资助金额:
    $ 45.57万
  • 项目类别:
    Standard Grant
Ages of River Plumes and Freshened Coastal Waters Using Ra-224 and Ra-223
使用 Ra-224 和 Ra-223 测定河流羽流的年龄和新鲜的沿海水域
  • 批准号:
    9314587
  • 财政年份:
    1993
  • 资助金额:
    $ 45.57万
  • 项目类别:
    Continuing Grant
Evaluating the Effects of High Particulate Fluxes on Chemical Processes Occurring at the Amazon River/Ocean Boundary
评估高颗粒通量对亚马逊河/海洋边界发生的化学过程的影响
  • 批准号:
    9116975
  • 财政年份:
    1992
  • 资助金额:
    $ 45.57万
  • 项目类别:
    Continuing Grant
Chronology of Hydrothermal Vents, Juan de Fuca Ridge
胡安德富卡海岭热液喷口年代学
  • 批准号:
    9019300
  • 财政年份:
    1991
  • 资助金额:
    $ 45.57万
  • 项目类别:
    Continuing Grant
Evaluating the Effects of High Particulate Fluxes on Chemi- cal Processes Occurring at the Amazon River/Ocean Boundary
评估高颗粒通量对亚马逊河/海洋边界发生的化学过程的影响
  • 批准号:
    8819579
  • 财政年份:
    1989
  • 资助金额:
    $ 45.57万
  • 项目类别:
    Continuing Grant

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  • 批准号:
    RGPIN-2020-06569
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    $ 45.57万
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Collaborative Research: Evolution of Subsurface Microbe-Rock-Fluid Systems
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  • 批准号:
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    2120802
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