30-Si of Diatom Opal: A New Tool for Paleoceanography
30-Si of Diatom Opal: A New Tool for Paleoceanography
批准号:
9708669
负责人:
Mark Brzezinski
金额:
$16.14万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1997
资助国家:
美国
项目状态:
已结题
起止时间:
1997-09-01 至 2001-08-31
中文摘要
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英文摘要
ABSTRACT This project will explore the use of 30-Si in fossil marine diatoms as a tracer of diatom production, a substantial portion of primary production in many parts of the world ocean. Surface sediments from the Southern Ocean will be analyzed and the results compared with 15-N and 13-C analyses on the same material. The results can be used to determine whether changes in opal accumulation over glacial/interglacial cycles resulted from differential production or preservation.
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Collaborative Research: The Roles of Seasonality, Silicification, and Alteration in Nitrogen and Silicon Isotope Paleo-proxy Variability
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批准号:2218705
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项目类别:Standard Grant
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资助金额:$90.0万
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财政年份:2023
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负责人:Mark Brzezinski
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依托单位:
US GEOTRACES GP17-OCE: Evaluating Southern Ocean Control of Global Marine Si Isotope Distribution
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批准号:2048998
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项目类别:Continuing Grant
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资助金额:$68.1万
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财政年份:2021
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负责人:Mark Brzezinski
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依托单位:
A second generation silicon isotope mass spectrometer
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批准号:1756130
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项目类别:Standard Grant
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资助金额:$77.89万
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财政年份:2018
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负责人:Mark Brzezinski
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依托单位:
Collaborative Research: Diatoms, Food Webs and Carbon Export - Leveraging NASA EXPORTS to Test the Role of Diatom Physiology in the Biological Carbon Pump
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批准号:1756442
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项目类别:Standard Grant
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资助金额:$51.22万
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财政年份:2018
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负责人:Mark Brzezinski
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依托单位:
US GEOTRACES Pacific Meridional Transect (GP-15): Resolving Silicon Isotope Anomalies in the Northeast Pacific
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批准号:1732139
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项目类别:Standard Grant
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资助金额:$65.8万
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财政年份:2017
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负责人:Mark Brzezinski
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依托单位:
Collaborative Proposal: A Field and Laboratory Examination of the Diatom N and Si Isotope Proxies: Implications for Assessing the Southern Ocean Biological Pump
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批准号:1341432
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项目类别:Standard Grant
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资助金额:$48.6万
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财政年份:2016
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负责人:Mark Brzezinski
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依托单位:
GEOTRACES Arctic Section: Diagnosing the unique silicon isotope composition of the Arctic Ocean
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批准号:1434305
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项目类别:Standard Grant
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资助金额:$50.09万
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财政年份:2015
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负责人:Mark Brzezinski
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依托单位:
UC Santa Barbara Marine Laboratory SCUBA Compressor Improvement
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批准号:1418738
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项目类别:Standard Grant
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资助金额:$14.75万
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财政年份:2014
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负责人:Mark Brzezinski
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Collaborative Research: Linking physiological and molecular aspects of diatom silicification in field populations
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批准号:1334387
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项目类别:Standard Grant
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资助金额:$48.45万
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财政年份:2013
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负责人:Mark Brzezinski
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依托单位:
GEOTRACES Pacific Section: Resolving Silicon Isotope Anomalies in the Eastern Pacific
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批准号:1233028
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项目类别:Continuing Grant
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资助金额:$34.95万
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财政年份:2012
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负责人:Mark Brzezinski
-
依托单位:
Coupling of Silicon Isotope Distributions to Meridional Overturning Circulation of the North Atlantic
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批准号:1129227
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项目类别:Standard Grant
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资助金额:$24.87万
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财政年份:2011
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负责人:Mark Brzezinski
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依托单位:
Silica Cycling and the Role of Diatoms in the North Pacific Subtropical Gyre
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批准号:0648130
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项目类别:Standard Grant
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资助金额:$67.26万
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财政年份:2007
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负责人:Mark Brzezinski
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依托单位:
Testing the Utility of Natural Variations in Isotopes of Si as a Proxy for Silica Production in the Sea
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批准号:0350576
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项目类别:Standard Grant
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资助金额:$59.43万
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财政年份:2004
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负责人:Mark Brzezinski
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依托单位:
Iron Limitation of Silica Production in the Southern Ocean: A Companion Proposal to the SOFeX Experiment
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批准号:9985887
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项目类别:Standard Grant
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资助金额:$31.0万
-
财政年份:2001
-
负责人:Mark Brzezinski
-
依托单位:
Dissertation Research: The Effect of Iron on Silicon, Nitrate and Carbon uptake by Phytoplankton-potential Mechanisms for altered Si:N and Si:C ratios in Diatoms
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批准号:0104931
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项目类别:Standard Grant
-
资助金额:$0.48万
-
财政年份:2001
-
负责人:Mark Brzezinski
-
依托单位:
A Silicon Isotope Facility
-
批准号:0073714
-
项目类别:Continuing Grant
-
资助金额:$32.77万
-
财政年份:2000
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负责人:Mark Brzezinski
-
依托单位:
Bacterial Control of Silicon Regeneration in the Ocean
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批准号:9904410
-
项目类别:Continuing Grant
-
资助金额:$13.76万
-
财政年份:1999
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负责人:Mark Brzezinski
-
依托单位:
Natural Variations in Silicon Isotopes in Seawater Silicic Acid and Marine Diatoms: A New Tool for Studying the Marine Silica Cycle
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批准号:9729996
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项目类别:Continuing Grant
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资助金额:$38.06万
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财政年份:1998
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负责人:Mark Brzezinski
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依托单位:
Silica Cycling and the Role of Diatoms in the Biological Pump of the Southern Ocean
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批准号:9531982
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项目类别:Continuing Grant
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资助金额:$21.0万
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财政年份:1997
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负责人:Mark Brzezinski
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依托单位:
Collaborative Research: Silica Cycling in the Central North Pacific Gyre: Roles of Rhizosolenia Mats and Suspended Diatoms
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批准号:9401990
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项目类别:Continuing Grant
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资助金额:$27.51万
-
财政年份:1994
-
负责人:Mark Brzezinski
-
依托单位:
国内基金
海外基金
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