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Effect of Superoxide on Copper and Iron Speciation in Marine Systems

Effect of Superoxide on Copper and Iron Speciation in Marine Systems
超氧化物对海洋系统中铜和铁形态的影响
批准号:
9529448
负责人:
Oliver Zafiriou
金额:
$11.55万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1996
资助国家:
美国
项目状态:
已结题
起止时间:
1996-09-15 至 1999-01-31

项目摘要

项目成果

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中文摘要
翻译
9529448扎菲里奥本项目的中心目标将是研究在阳光充足的海洋水域中超氧化物(一种光化学形式的氧)的化学以及铜和铁的化学形态之间的氧化-还原相互作用的动力学。首席研究人员还将检验一种新的假设,即这两种金属存在氧化和还原的溶解物种。这项研究应该会对光化学反应在影响上层海洋氧化还原敏感痕量金属形态方面所起的作用产生重要的新见解。
英文摘要
9529448 Zafiriou The central objective of this project will be to study the kinetics of oxidation-reduction interactions coupling the chemistry of superoxide (a photochemically induced form of oxygen) and copper and iron chemical speciation in sunlit marine waters. The principal investigator will also test a new hypothesis which suggests that there is oxidized and reduced dissolved species of these two metals. This research should lead to important new insights on the role played by photochemical reactions in influencing the speciation of redox-sensitive trace metals in the upper ocean.
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Photochemical Formation of Carbon Dioxide from Dissolved Organic Matter: A New Approach to Constraining a Major Term in Marine Carbon Cycling
  • 批准号:
    0223200
  • 项目类别:
    Standard Grant
  • 资助金额:
    $0.0万
  • 财政年份:
    2002
  • 负责人:
    Oliver Zafiriou
  • 依托单位:
Sunlight-Induced Electron Ejection in Natural Waters
  • 批准号:
    0099027
  • 项目类别:
    Standard Grant
  • 资助金额:
    $15.95万
  • 财政年份:
    2001
  • 负责人:
    Oliver Zafiriou
  • 依托单位:
Collaborative Research: The Effects of Aquatic Photochemistry on the Proton and Metal Binding Properties of Dissolved Organic Matter in Freshwater Systems
  • 批准号:
    0087695
  • 项目类别:
    Standard Grant
  • 资助金额:
    $8.51万
  • 财政年份:
    2001
  • 负责人:
    Oliver Zafiriou
  • 依托单位:
Collaborative Research: Diel Biogeochemical Cycling of CO, OCS, and HOOH in the Sargasso Sea: Measuring and Modeling Distributions, Fluxes, and Processes
  • 批准号:
    9811208
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $39.34万
  • 财政年份:
    1998
  • 负责人:
    Oliver Zafiriou
  • 依托单位:
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