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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
小行星9529448 该项目的中心目标是研究在阳光照射下的海洋沃茨中,氧化还原相互作用的动力学,这种相互作用将超氧化物(光化学诱导的氧形式)的化学性质与铜和铁的化学形态结合起来。主要研究者还将测试一个新的假设,该假设表明这两种金属存在氧化和还原溶解物质。这项研究应导致重要的新的见解所发挥的作用,光化学反应在影响氧化还原敏感的微量金属在海洋上层的形态。
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:
海外基金