Sources of Enrichment of Dissolved Free and Combined Amino Acids in the Sea Surface Microlayer
海表微层中溶解的游离氨基酸和结合氨基酸的富集来源
基本信息
- 批准号:0117208
- 负责人:
- 金额:$ 30.02万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2001
- 资助国家:美国
- 起止时间:2001-10-01 至 2005-09-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
ABSTRACTOCE-0117208In this study, researchers at the State University of New York at Stony Brook will attempt to identify and describe the various processes that lead to the enrichment of dissolved organic matter in the sea-surface microlayer. The sea-surface microlayer plays a major role in the exchange of matter and energy in the ocean-atmosphere system. Organic matter enriches the surface microlayer and influences its chemical, biological, and physical characteristics. Different constituents concentrate in the microlayer non-uniformly; consequently, the ratios of many dissolved elements and organic compounds therein differ from those in bulk water. These studies will focus on the transfer of dissolved free and combined amino acids between particulate and dissolved pools under the unique conditions of the interfacial laminar layer. A number of factors will be considered: increased physical stress on the biological community at the sea surface (e.g., by UV-radiation, evaporation, entrapment in spray), which causes leaching of organic matter from the resulting dead or injured organisms; dissolved organic matter decomposition by metabolically active neuston (hydrolysis, oxidation, and uptake); adsorption of dissolved matter onto particles which in the microlayer; and bubble scavenging from bulk water to the surface microlayer of proteinaceous matter that is dissolved or weakly associated with particles.
摘要-0117208在这项研究中,斯托尼布鲁克的纽约州立大学的研究人员将试图识别和描述导致海洋表面微层中溶解有机物富集的各种过程。海表微层在海洋-大气系统的物质和能量交换中起着重要作用。 有机物丰富了表面微层,并影响其化学,生物和物理特性。 不同的成分集中在微层不均匀,因此,许多溶解的元素和有机化合物的比例,其中不同于散装水。 这些研究将侧重于在界面层流层的独特条件下,颗粒和溶解池之间溶解的游离氨基酸和结合氨基酸的转移。 将考虑若干因素:对海面生物群落的物理压力增加(例如,通过紫外线辐射、蒸发、喷雾截留),导致有机物从死亡或受伤的生物体中沥滤;溶解的有机物被代谢活性浮游生物分解(水解、氧化和吸收);溶解物质吸附到微层中的颗粒上;以及气泡从本体水清除到溶解的或与颗粒弱结合的蛋白质物质的表面微层。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Cindy Lee其他文献
The Measurement of Oceanic Particle Flux—Are "Swimmers" a Problem?
海洋粒子通量的测量——“游泳者”是一个问题吗?
- DOI:
10.5670/oceanog.1988.06 - 发表时间:
1988 - 期刊:
- 影响因子:2.8
- 作者:
Cindy Lee;S. Wakeham;J. Hedges - 通讯作者:
J. Hedges
Overall Type I Error Rate and Power of Multiple Dunnett's Tests on Rodent Body Weights in Toxicology Studies
毒理学研究中啮齿动物体重多次 Dunnett 测试的整体 I 型错误率和功效
- DOI:
10.1080/10543400802287420 - 发表时间:
2008 - 期刊:
- 影响因子:1.1
- 作者:
W. Hoffman;J. Recknor;Cindy Lee - 通讯作者:
Cindy Lee
Digital Lenses and Mobile Screens: Redefining the Tourist Experience
- DOI:
10.25905/5e3ca9b0d6c7d - 发表时间:
2020-03 - 期刊:
- 影响因子:0
- 作者:
Cindy Lee - 通讯作者:
Cindy Lee
Evidence for Sulfate-Reducing and Methane-Producing Microorganisms in Sediments from Sites 618, 619, and 622
618、619 和 622 号遗址沉积物中硫酸盐还原和产甲烷微生物的证据
- DOI:
- 发表时间:
1986 - 期刊:
- 影响因子:0
- 作者:
J. Whelan;R. Oremland;M. Tarafa;Richard L. Smith;R. Howarth;Cindy Lee - 通讯作者:
Cindy Lee
Seroepidemiology of hepatitis A in patients with chronic liver disease
慢性肝病患者甲型肝炎的血清流行病学
- DOI:
- 发表时间:
2005 - 期刊:
- 影响因子:2.5
- 作者:
S. Saab;Cindy Lee;A. Shpaner;Ayman B. Ibrahim - 通讯作者:
Ayman B. Ibrahim
Cindy Lee的其他文献
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{{ truncateString('Cindy Lee', 18)}}的其他基金
Effects of ocean acidification on the formation and sinking of particle aggregates
海洋酸化对颗粒聚集体形成和下沉的影响
- 批准号:
0850904 - 财政年份:2009
- 资助金额:
$ 30.02万 - 项目类别:
Standard Grant
Use of Chiral Tracers to Determine Cycling of POPs in Stream Ecosystems
使用手性示踪剂确定河流生态系统中持久性有机污染物的循环
- 批准号:
0828699 - 财政年份:2008
- 资助金额:
$ 30.02万 - 项目类别:
Standard Grant
SGER: Exploration of Three-Dimensional Structure in Sedimentary Organic Matter
SGER:沉积有机质三维结构探索
- 批准号:
0648684 - 财政年份:2007
- 资助金额:
$ 30.02万 - 项目类别:
Standard Grant
Collaborative Research: Resistance of Peptide Degradaton Products in Seawater
合作研究:海水中肽降解产物的抗性
- 批准号:
0726632 - 财政年份:2007
- 资助金额:
$ 30.02万 - 项目类别:
Standard Grant
Collaborative Proposal: Mineral Ballast and Organic Matter Compositions as Determinants of Particle Settling Velocities and Fluxes in the Sea (MedFlux)
合作提案:矿物压载物和有机物成分作为海洋中颗粒沉降速度和通量的决定因素 (MedFlux)
- 批准号:
0622754 - 财政年份:2006
- 资助金额:
$ 30.02万 - 项目类别:
Standard Grant
Collaborative Proposal: Effects of Mineral Ballast and Particle Sinking Velocity on Organic Carbon Export and Remineralization
合作提案:矿物压载物和颗粒下沉速度对有机碳输出和再矿化的影响
- 批准号:
0424845 - 财政年份:2005
- 资助金额:
$ 30.02万 - 项目类别:
Standard Grant
US-France Cooperative Research: A Quantitative Assessment of Mineral Ballast in Marine Carbon Export and Remineralization
美法合作研究:海洋碳输出和再矿化中矿物压载物的定量评估
- 批准号:
0340535 - 财政年份:2004
- 资助金额:
$ 30.02万 - 项目类别:
Standard Grant
Collaborative Researchl: A Quantitative Assessment of Mineral Ballasts in Carbon Export and Remineralization
合作研究:碳输出和再矿化中矿物压载物的定量评估
- 批准号:
0136370 - 财政年份:2002
- 资助金额:
$ 30.02万 - 项目类别:
Continuing Grant
EnviroChemLibrary: Resources for Teaching and Learning in Science
EnviroChemLibrary:科学教学资源
- 批准号:
9952315 - 财政年份:2000
- 资助金额:
$ 30.02万 - 项目类别:
Standard Grant
Ocean Carbon Transport, Exchanges and Transformations (OCTET): Workshop Management
海洋碳传输、交换和转化(OCTET):研讨会管理
- 批准号:
0071763 - 财政年份:2000
- 资助金额:
$ 30.02万 - 项目类别:
Standard Grant
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