Accomplishment Based Renewal: Experimental Verification of Stable Isotope and Trace Metal Incorporation in Living Planktonic Foraminifera
基于成就的更新:活体浮游有孔虫中稳定同位素和微量金属掺入的实验验证
基本信息
- 批准号:0550703
- 负责人:
- 金额:$ 43.61万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2007
- 资助国家:美国
- 起止时间:2007-02-01 至 2013-01-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
A researcher at the University of California at Davis proposes to collect living planktonic foraminifera and culture collected individuals using procedures established during prior funding periods. Once the foraminifera has calcified its shell under controlled conditions, the shells and culture water sample will be collected for geochemical analysis. These shells and water samples will be used to complete on-going geochemical experiments, conduct calibration experiments with new proxies (e.g., Li/Ca, Zn/Ca, 7Li, U/Ca), study the mechanisms of planktonic foraminifera calcification and shell geochemical variability that occurs during shell calcification and explore new geochemical relationships (i.e., the impact of different seawater Mg and Ca concentrations on shell geochemistry) and proxies using living planktonic foraminifera. The information gathered from this research will calibrate new and existing geochemical proxies with a level of confidence that cannot be obtained on planktonic species when using alternative approaches, such as sediment trap or core-top studies. This work will provide an unparalleled opportunity to gain insight into the processes of biomineralization and geochemical variation at the microscale, and provide a data set that can be used to understand the impact of changing seawater chemistry on foraminifera shell geochemistry. This will allow researchers to better interpret data from the fossil record. As regards broader impacts, this study will ensure that a group of graduate students and post-docs from various institutions be trained by the PI and other experts in the field on the procedures for collecting and culturing these planktonic organisms, thereby ensuring that these techniques are passed on to the next generation of scientists. Undergraduate students will be involved in the field component of this research.
位于戴维斯的加州大学的一位研究人员建议收集活的浮游有孔虫,并使用先前资助期间建立的程序培养收集到的个体。 一旦有孔虫在受控条件下使其壳钙化,将收集壳和培养水样品进行地球化学分析。 这些贝壳和水样将用于完成正在进行的地球化学实验,用新的代用品进行校准实验(例如,Li/Ca,Zn/Ca,7 Li,U/Ca),研究了浮游有孔虫钙化的机制和在壳钙化过程中发生的壳地球化学变异,并探索了新的地球化学关系(即,不同海水Mg和Ca浓度对贝壳地球化学的影响)和使用活的浮游有孔虫的代用指标。 从这项研究中收集到的信息将校准新的和现有的地球化学代理,其置信度是使用沉积物陷阱或岩心顶部研究等替代方法时无法获得的。这项工作将提供一个无与伦比的机会,深入了解生物矿化和地球化学变化的过程中,在微观尺度上,并提供一个数据集,可用于了解海水化学变化对有孔虫壳地球化学的影响。 这将使研究人员能够更好地解释化石记录中的数据。至于更广泛的影响,这项研究将确保来自各机构的一批研究生和博士后接受PI和该领域其他专家关于收集和培养这些水生生物程序的培训,从而确保这些技术传给下一代科学家。 本科生将参与本研究的实地部分。
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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Howard Spero其他文献
Howard Spero的其他文献
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{{ truncateString('Howard Spero', 18)}}的其他基金
SCOR Workshop: The Biology and Biogeochemistry of Planktonic Foraminifera
SCOR 研讨会:浮游有孔虫的生物学和生物地球化学
- 批准号:
1540666 - 财政年份:2015
- 资助金额:
$ 43.61万 - 项目类别:
Standard Grant
Collaborative Research: Evolution of Arctic Water Column Hydrography during the Holocene Based on a Novel Instrumentation Combination
合作研究:基于新型仪器组合的全新世北极水柱水文演化
- 批准号:
1501526 - 财政年份:2015
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$ 43.61万 - 项目类别:
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Calibrating Diatom Oxygen Isotopes for Paleoceanographic Applications Using a Novel Technique
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1334686 - 财政年份:2013
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$ 43.61万 - 项目类别:
Standard Grant
Quantifying the 18O/16O of Glacial Meltwater Pulses Using a Novel LA-ICPMS/IRMS Multiproxy Approach
使用新型 LA-ICPMS/IRMS 多代理方法量化冰川融水脉冲的 18O/16O
- 批准号:
1061676 - 财政年份:2011
- 资助金额:
$ 43.61万 - 项目类别:
Standard Grant
Collaborative Research: CDI-Type II: 4 Dimensional Visualization of Past Ocean Circulation from Paleoceanographic Data
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1125422 - 财政年份:2011
- 资助金额:
$ 43.61万 - 项目类别:
Standard Grant
Acquisition of an Excimer Laser, Quadrupole ICPMS and Microsampler for UC Davis
为加州大学戴维斯分校采购准分子激光器、四极杆 ICPMS 和微量采样器
- 批准号:
0946297 - 财政年份:2010
- 资助金额:
$ 43.61万 - 项目类别:
Standard Grant
Using Mg-Paleotheromometry to Deconvolute the Marine Oxygen Isotope Record
使用 Mg-古测温法对海洋氧同位素记录进行解卷积
- 批准号:
9903632 - 财政年份:1999
- 资助金额:
$ 43.61万 - 项目类别:
Standard Grant
Experimental Verification of Stable Isotope and Trace Metal Incorporation in Living Planktonic Foraminifera
活体浮游有孔虫中稳定同位素和微量金属掺入的实验验证
- 批准号:
9729203 - 财政年份:1998
- 资助金额:
$ 43.61万 - 项目类别:
Continuing Grant
SGER: Field Verification of a Carbonate Ion Effect on the Carbon Isotopic Composition of Planktonic Foraminifera
SGER:碳酸盐离子对浮游有孔虫碳同位素组成影响的现场验证
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9726821 - 财政年份:1997
- 资助金额:
$ 43.61万 - 项目类别:
Standard Grant
Effects of Seawater Carbonate Chemistry on the Stable Isotope Geochemistry of Cultured Benthic Foraminifera
海水碳酸盐化学对养殖底栖有孔虫稳定同位素地球化学的影响
- 批准号:
9633486 - 财政年份:1996
- 资助金额:
$ 43.61万 - 项目类别:
Continuing Grant
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