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Chemical and Isotopic Exchange Among Carbonate Minerals, Organic Matter and Seawater on Modern Carbonate Platforms, Florida and Bahamas

Chemical and Isotopic Exchange Among Carbonate Minerals, Organic Matter and Seawater on Modern Carbonate Platforms, Florida and Bahamas
佛罗里达州和巴哈马现代碳酸盐平台上碳酸盐矿物、有机物和海水之间的化学和同位素交换
批准号：
9102543
负责人：
Lynn Walter
金额：
$21.74万
依托单位：
Regents of the University of Michigan - Ann Arbor
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
1991
资助国家：
美国
项目状态：
已结题
起止时间：
1991-06-15 至 1993-11-30
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9102543&HistoricalAwards=false
关键词：
ChemicalIsotopicExchangeAmongCarbonate

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中文摘要
翻译
PI先前和正在进行的由nsf资助的研究表明，碳酸盐颗粒、有机物和海水的孔隙-水交换远比以前认为的要广泛得多。因此，由于在重结晶碳酸盐中储存了同位素耗尽的碳，台地碳酸盐可能比以前想象的更能吸收有机碳。PI要求资金继续她在确定化学和微观结构沉积参数方面研究沉积物/生物关系的工作。一些工作将继续在佛罗里达湾进行，但新的研究将开始在大巴哈马和小巴哈马海岸进行。
英文摘要
Previous and on-going NSF-funded research by the PI shows that pore-water exchange carbonate particles, organic matter and sea water is far more extensive than previously thought. As a result, platform carbonates may act as a sink for more organic carbon than previously envisioned because of the storage of isotopically- depleted C in recrystallized carbonates. The PI requests funds to continue her work in looking at sediment/organism relations in determining chemical and microstructrual sedimentary parameters. Some work will continue in Florida Bay, but new studies will begin on Great and Little Bahama banks.
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会议论文
Collaborative Resarch: A Comparative Study of Carbonate Weathering Mechanisms and Fluxes in Carbonate-Rich, Mid-Latitude Watersheds Across Landscape and Landuse Types
Acquisition of Replacement Equipment for the Experimental and Analytical Geochemistry Laboratory EAGL
Geochemical Controls on Carbonate Equilibria and Mass Transport in Glaciated Mid-Continent Watersheds
Acquisition of a High Resolution ICP Mass Spectrometer
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