Collaborative Research: US GEOTRACES GP17-OCE: Shipboard Measurements of Dissolved Aluminum, Iron, and Manganese – Tracing Inputs to the South Pacific Gyre and Southern Ocean

合作研究:美国 GEOTRACES GP17-OCE:溶解铝、铁和锰的船上测量 — 追踪南太平洋环流和南大洋的输入

基本信息

  • 批准号:
    2122886
  • 负责人:
  • 金额:
    $ 26.04万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2021
  • 资助国家:
    美国
  • 起止时间:
    2021-09-01 至 2024-08-31
  • 项目状态:
    已结题

项目摘要

The goal of the international research program GEOTRACES is to understand the distributions of trace chemical elements and their isotopes in the oceans. The importance of trace elements in the ocean lies in their roles as essential micronutrients for marine phytoplankton (e.g., iron), as toxicants (e.g., lead), and as tracers of past and present oceanic processes (e.g., thorium). In this project, the dissolved concentrations of two micronutrient trace elements (iron and manganese) and a tracer of atmospheric dust deposition (aluminum) will be measured in seawater samples collected during a research cruise in the southeastern Pacific Ocean and adjacent Southern Ocean, in order to better understand the inputs of these micronutrients and their impact on biological processes in these regions. Chemical analyses will be performed at sea in near real-time, thus providing a first glimpse of data that will inform the cruise sampling strategy and the analyses performed by other investigators. The project involves two US laboratories, and will support the research of a graduate and undergraduate student. The U.S. GEOTRACES GP17-OCE expedition will focus on the distribution of trace elements and isotopes along a transect crossing the South Pacific Gyre and the Pacific sector of the Southern Ocean, where the supply of dissolved iron (DFe) and manganese (DMn) to the surface ocean is thought to regulate primary production and associated cycling of carbon and nutrient elements. The investigators will undertake shipboard and post-cruise measurements of dissolved aluminum (DAl), DFe and DMn in order to constrain (1) the magnitude of dust deposition to this ocean region and the fidelity of DAl and DMn as tracers of aeolian iron inputs; (2) the origin of deep-ocean DAl and DFe anomalies, and their implications for deep sources of these elements; and (3) the source and fate of hydrothermal DFe emissions from the deep ocean and their role in supporting Southern Ocean primary production. Project results, complemented by measurements of other trace chemical species made by collaborators on GP17-OCE, will advance the understanding of the processes that control the oceanic inventories and distributions of DAl, DFe and DMn, and their trajectories of future change.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.
国际研究计划GEOTRACES的目标是了解海洋中痕量化学元素及其同位素的分布。海洋中微量元素的重要性在于它们是海洋浮游植物必需的微量营养素(如铁)、有毒物质(如铅)以及过去和现在海洋过程的示踪剂(如钍)。在这个项目中,将测量在东南太平洋和邻近南大洋进行研究巡航期间采集的海水样本中两种微量营养素(铁和锰)和一种大气尘埃沉积示踪剂(铝)的溶解浓度,以便更好地了解这些微量营养素的输入及其对这些地区生物过程的影响。化学分析将在海上近乎实时地进行,从而提供第一次对数据的一瞥,这些数据将为巡航抽样战略和其他调查人员进行的分析提供信息。该项目涉及两个美国实验室,将支持一名研究生和本科生的研究。美国地质遗迹GP17-OCE探险队将重点研究横跨南太平洋环流和南大洋太平洋部分的一条横断面上的微量元素和同位素分布,在那里,溶解铁(DFE)和锰(DMN)的供应被认为调节着初级生产和相关的碳和营养元素的循环。调查人员将对溶解铝、DFE和DMN进行船上和邮轮后测量,以便约束(1)该大洋区域尘埃沉积的规模和DAL和DMN作为风成铁输入示踪剂的保真度;(2)深海DAL和DFE异常的来源,及其对这些元素深层来源的影响;(3)深海热液DFE排放的来源和去向及其在支持南大洋初级生产方面的作用。项目结果与GP17-OCE合作者对其他痕量化学物种的测量相补充,将促进对控制DAL、DFE和DMN海洋清单和分布的过程以及它们未来变化轨迹的理解。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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Joseph Resing其他文献

マリアナ弧NW Rota-1火山の安山岩マグマ
马里亚纳弧西北 Rota-1 火山的安山岩岩浆
  • DOI:
  • 发表时间:
    2008
  • 期刊:
  • 影响因子:
    0
  • 作者:
    R W Embley;William Chadwick;Edward Baker;David Butterfield;Joseph Resing;Cornel de Ronde;Verena Tunnicliffe;John Lupton;S.Kim Juniper;Kenneth Rubin;Robert Stern;Geoff Lebon;Ko-ichi Nakamura;Susan Merle;James Hein;Douglas Wiens;Yoshihiko Ta;Yoshihiko Tamura;Yoshihiko Tamura;Yoshihiko Tamura;田村 芳彦
  • 通讯作者:
    田村 芳彦
Primary andesite melts; new insight from NW Rota-1 volcano
原生安山岩熔体;
  • DOI:
  • 发表时间:
    2008
  • 期刊:
  • 影响因子:
    0
  • 作者:
    R W Embley;William Chadwick;Edward Baker;David Butterfield;Joseph Resing;Cornel de Ronde;Verena Tunnicliffe;John Lupton;S.Kim Juniper;Kenneth Rubin;Robert Stern;Geoff Lebon;Ko-ichi Nakamura;Susan Merle;James Hein;Douglas Wiens;Yoshihiko Ta;Yoshihiko Tamura;Yoshihiko Tamura;Yoshihiko Tamura;田村 芳彦;田村芳彦;Yoshihiko Tamura
  • 通讯作者:
    Yoshihiko Tamura
Primary andesite melts ; new insight from NW Rota-1 volcano
原生安山岩熔体;
  • DOI:
  • 发表时间:
    2008
  • 期刊:
  • 影响因子:
    0
  • 作者:
    R W Embley;William Chadwick;Edward Baker;David Butterfield;Joseph Resing;Cornel de Ronde;Verena Tunnicliffe;John Lupton;S.Kim Juniper;Kenneth Rubin;Robert Stern;Geoff Lebon;Ko-ichi Nakamura;Susan Merle;James Hein;Douglas Wiens;Yoshihiko Ta;Yoshihiko Tamura;Yoshihiko Tamura;Yoshihiko Tamura;田村 芳彦;田村芳彦;Yoshihiko Tamura;宮下純夫・足立佳子・海野 進;村上龍太朗・菅家奈未・高澤栄;Yoshihiko Tamura
  • 通讯作者:
    Yoshihiko Tamura
Oligocene IBM
渐新世IBM
  • DOI:
  • 发表时间:
    2009
  • 期刊:
  • 影响因子:
    0
  • 作者:
    R W Embley;William Chadwick;Edward Baker;David Butterfield;Joseph Resing;Cornel de Ronde;Verena Tunnicliffe;John Lupton;S.Kim Juniper;Kenneth Rubin;Robert Stern;Geoff Lebon;Ko-ichi Nakamura;Susan Merle;James Hein;Douglas Wiens;Yoshihiko Ta;Yoshihiko Tamura
  • 通讯作者:
    Yoshihiko Tamura
海洋地殻の構造と形成プロセス
洋壳的结构和形成过程
  • DOI:
  • 发表时间:
    2008
  • 期刊:
  • 影响因子:
    0
  • 作者:
    R W Embley;William Chadwick;Edward Baker;David Butterfield;Joseph Resing;Cornel de Ronde;Verena Tunnicliffe;John Lupton;S.Kim Juniper;Kenneth Rubin;Robert Stern;Geoff Lebon;Ko-ichi Nakamura;Susan Merle;James Hein;Douglas Wiens;Yoshihiko Ta;Yoshihiko Tamura;Yoshihiko Tamura;Yoshihiko Tamura;田村 芳彦;田村芳彦;Yoshihiko Tamura;宮下純夫・足立佳子・海野 進
  • 通讯作者:
    宮下純夫・足立佳子・海野 進

Joseph Resing的其他文献

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{{ truncateString('Joseph Resing', 18)}}的其他基金

Collaborative Research: Understanding the Massive Phytoplankton Blooms over the Australian-Antarctic Ridge
合作研究:了解澳大利亚-南极海脊上空大量浮游植物的繁殖
  • 批准号:
    2135185
  • 财政年份:
    2022
  • 资助金额:
    $ 26.04万
  • 项目类别:
    Standard Grant
Collaborative Research: US GEOTRACES GP17-ANT: Tracing Inputs and Transport of Aluminum, Manganese, and Iron from the Amundsen Sea Sector of the Antarctic Continental Margin
合作研究:美国 GEOTRACES GP17-ANT:追踪南极大陆边缘阿蒙森海区铝、锰和铁的输入和运输
  • 批准号:
    2148091
  • 财政年份:
    2022
  • 资助金额:
    $ 26.04万
  • 项目类别:
    Continuing Grant
Collaborative Research: Are Low-Temperature Hydrothermal Vents an Important but Overlooked Source of Stabilized Dissolved Iron to the Ocean?
合作研究:低温热液喷口是否是海洋稳定溶解铁的重要但被忽视的来源?
  • 批准号:
    1756402
  • 财政年份:
    2018
  • 资助金额:
    $ 26.04万
  • 项目类别:
    Standard Grant
Collaborative Research: Trace Metal Deposition And Cycling In The North Atlantic On The 2013 CLIVAR/Repeat Hydrography A16N Expedition
合作研究:2013 CLIVAR/Repeat Hydrography A16N 探险中北大西洋的微量金属沉积和循环
  • 批准号:
    1260376
  • 财政年份:
    2013
  • 资助金额:
    $ 26.04万
  • 项目类别:
    Standard Grant
Collaborative Research: US GEOTRACES Pacific Section-Shipboard Al, Mn and Fe
合作研究:美国GEOTRACES太平洋剖面-船载铝、锰和铁
  • 批准号:
    1237011
  • 财政年份:
    2012
  • 资助金额:
    $ 26.04万
  • 项目类别:
    Standard Grant
Collaborative Research: Dynamics of eruptive plumes above a submarine arc volcano
合作研究:海底弧火山上方喷发羽流的动力学
  • 批准号:
    1232431
  • 财政年份:
    2012
  • 资助金额:
    $ 26.04万
  • 项目类别:
    Standard Grant
Collaborative Research: A Submarine Eruption on the North East Lau Spreading Center, a RAPID Response Effort
合作研究:刘东北扩散中心的一次潜艇喷发,快速响应工作
  • 批准号:
    0934660
  • 财政年份:
    2009
  • 资助金额:
    $ 26.04万
  • 项目类别:
    Standard Grant
Collaborative Research: Rapid Response to a Submarine Eruption at W. Mata Volcano
合作研究:对西马塔火山海底喷发的快速反应
  • 批准号:
    0930025
  • 财政年份:
    2009
  • 资助金额:
    $ 26.04万
  • 项目类别:
    Standard Grant
Collaborative Research: Global Ocean Survey of Dissolved Iron and Aluminum and Aerosol Iron and Aluminum Solubility Supporting the CLIVAR Repeat Hydrography Project (2007-2009).
合作研究:溶解铁和铝以及气溶胶铁和铝溶解度的全球海洋调查支持 CLIVAR 重复水文学项目(2007-2009 年)。
  • 批准号:
    0649505
  • 财政年份:
    2007
  • 资助金额:
    $ 26.04万
  • 项目类别:
    Standard Grant
Collaborative Research: Investigating the Distribution of Hydrothermal Activity and its Geologic and Geophysical Controls at the Lau Integrated Studies Site
合作研究:调查刘综合研究场的热液活动分布及其地质和地球物理控制
  • 批准号:
    0732372
  • 财政年份:
    2007
  • 资助金额:
    $ 26.04万
  • 项目类别:
    Continuing Grant

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