Diagenesis and the Exchange of Soluble Substances between the Oceans and the Sediments
成岩作用以及海洋和沉积物之间可溶物质的交换
基本信息
- 批准号:8711962
- 负责人:
- 金额:$ 78.75万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1987
- 资助国家:美国
- 起止时间:1987-10-15 至 1991-03-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Studies of seasonal and interannual variations of rates of benthic processes and the cycling of material across the sediment-water interface and their relationship to particle fluxes are proposed. The research seeks to determine the influence of seasonal changes in the input of particulate matter to the sea floor on sediment reactions, fluxes of dissolved components across the interface, biological activity as it affects sediments, and the preservation of CaCO3 in the sediments. In this fashion we seek to evaluate the influence of events in the surface ocean upon benthic rates and processes. The site chosen, off Bermuda, is characterized by conditions found in many areas of the ocean making the conclusions drawn applicable beyond the immediate study area. Research on the factors governing the preservation of CaC03 in sediments on a regional scale is also proposed. These studies are focussed upon evaluating the effects on bottom water saturation state and organic matter metabolism upon rates and the extent of post-deposition dissolution of CaC03. The studies would be carried out on a transect of the east coast of the United States.
研究了全球气候变化率的季节和年际变化, 海底过程和物质在海洋中的循环 沉积物-水界面及其与颗粒的关系 提出了通量。 该研究旨在确定 颗粒物输入季节变化的影响 物质对海底沉积物反应的影响, 溶解的成分穿过界面,生物活性 因为它会影响沉积物,而CaCO 3在沉积物中的保存 沉积物 在这种情况下,我们试图评估影响 表层海洋事件对底栖速率的影响, 流程. 选址在百慕大外海,其特点是 在海洋的许多地区发现的条件, 得出的结论适用于直接研究领域之外。 关于影响保存的因素的研究 还提出了区域尺度上沉积物中的CaCO 3。 这些 研究的重点是评估对海底的影响, 水分饱和状态和有机质代谢速率 和CaCO 3的沉积后溶解的程度。 的 研究将在东海岸的一个横断面上进行, 美国的
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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Frederick Sayles其他文献
Frederick Sayles的其他文献
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{{ truncateString('Frederick Sayles', 18)}}的其他基金
(EGB) Evaluating the Processes Governing Particle-Reactive Element Transport in an Arctic River System: Coupling Hydrology, Geochemical Tracers, and Hydrologic Models
(EGB) 评估北极河流系统中颗粒反应元素输运的过程:耦合水文、地球化学示踪剂和水文模型
- 批准号:
9807590 - 财政年份:1998
- 资助金额:
$ 78.75万 - 项目类别:
Continuing Grant
Benthic Cycling and Accumulation of Organic Matter, Biogenic Opal, and CaCO3 in the JGOFS Southern Ocean Study Areas
JGOFS 南大洋研究区有机质、生物蛋白石和 CaCO3 的底栖循环和积累
- 批准号:
9530719 - 财政年份:1997
- 资助金额:
$ 78.75万 - 项目类别:
Continuing Grant
Development of a Remote Analyzer of the CO2 System in Seawater Based on In Situ Measurement for pH and TCO2
基于 pH 和 TCO2 原位测量的海水中 CO2 系统远程分析仪的开发
- 批准号:
9633022 - 财政年份:1996
- 资助金额:
$ 78.75万 - 项目类别:
Continuing Grant
Remineralization of Biogenic Material at the Seafloor: Temporal and Spatial Variability
海底生物物质的再矿化:时空变化
- 批准号:
9012473 - 财政年份:1990
- 资助金额:
$ 78.75万 - 项目类别:
Continuing Grant
Advection, Reaction and Mass Transport from Sedimented Hydrothermal Areas of the Guaymas Basin
瓜伊马斯盆地沉积热液区的平流、反应和传质
- 批准号:
8614387 - 财政年份:1986
- 资助金额:
$ 78.75万 - 项目类别:
Continuing Grant
Chemical Gradients Reactions and Fluid Advection in Sediments Associated with Hydrothermal Activity in the Guaymas Basin
与瓜伊马斯盆地热液活动相关的沉积物中的化学梯度反应和流体平流
- 批准号:
8315918 - 财政年份:1984
- 资助金额:
$ 78.75万 - 项目类别:
Continuing Grant
Purchase of a Liquid Scintillation Counting System
购买液体闪烁计数系统
- 批准号:
8415718 - 财政年份:1984
- 资助金额:
$ 78.75万 - 项目类别:
Standard Grant
Diagenesis and the Exchange of Soluble Substances Between the Oceans and the Sediments
成岩作用以及海洋和沉积物之间可溶物质的交换
- 批准号:
8412142 - 财政年份:1984
- 资助金额:
$ 78.75万 - 项目类别:
Continuing Grant
Dissertation on the Transport of Dissolved Trace Metals in Nearshore Sediments
关于近岸沉积物中溶解微量金属迁移的论文
- 批准号:
8216425 - 财政年份:1982
- 资助金额:
$ 78.75万 - 项目类别:
Standard Grant
Seawater-Sediment Interaction: the Diffusive Fluxes of IonsBetween the Oceans and the Underlying Sediments
海水-沉积物相互作用:海洋与底层沉积物之间的离子扩散通量
- 批准号:
8024447 - 财政年份:1981
- 资助金额:
$ 78.75万 - 项目类别:
Continuing Grant
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