Reconstruction of Glacial-Interglacial Changes in the Ocean's Carbonate Ion Content
Reconstruction of Glacial-Interglacial Changes in the Ocean's Carbonate Ion Content
批准号:
0083314
负责人:
George Lohmann
金额:
$21.0万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2000
资助国家:
美国
项目状态:
已结题
起止时间:
2000-12-15 至 2003-11-30
中文摘要
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英文摘要
This study will refine and use a new index of calcite dissolution to reconstruct vertical carbonate dissolution gradients through the mid-depth regions of the Atlantic, Indian, and Pacific Oceans over the last glacial - interglacial cycle. The new index is sensitive to dissolution above and across the foraminifer lysocline. The improved information on carbonate ion content and gradients will provide constraints on model results of past oceanic carbon budgets and thus test model inferences about past atmospheric pCO2 changes during glacial-interglacial cycles.
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会议论文
Collaborative Research: Incorporation and Preservation of Magnesium in Planktonic Foraminifera: Implications for Mg-Paleothermometry and Calcite Solubility
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批准号:9987060
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项目类别:Continuing Grant
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资助金额:$15.81万
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财政年份:2000
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负责人:George Lohmann
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依托单位:
Collaborative Research: Past Deep-Sea Carbonate Ion Concentrations as Constraints on Scenarios Purporting to Explain Quaternary Atmospheric CO2 Changes
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批准号:0081957
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项目类别:Continuing Grant
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资助金额:$3.57万
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财政年份:2000
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负责人:George Lohmann
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依托单位:
Effects of Shell Calcification Depth on Benthic-Planktonic 14C/C
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批准号:9416863
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项目类别:Continuing Grant
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资助金额:$12.44万
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财政年份:1994
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负责人:George Lohmann
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依托单位:
Chemistry and Morphology of Secondary Calcification of Deep-Living Planktic Forminifera
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批准号:9301722
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项目类别:Continuing Grant
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资助金额:$40.21万
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财政年份:1993
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负责人:George Lohmann
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依托单位:
Convariation Among Delta 18o, Delta 13c Sr and M>g in the Shells of Deep-Living Planktonic Foraminifera
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批准号:9101553
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项目类别:Continuing Grant
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资助金额:$22.5万
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财政年份:1991
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负责人:George Lohmann
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依托单位:
Use of Deep-Living Planktonic Foraminifera to Probe the Past Thermocline
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批准号:8912280
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项目类别:Standard Grant
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资助金额:$10.0万
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财政年份:1989
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负责人:George Lohmann
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依托单位:
Reconstructing the Glacial Thermocline at Little Bahama Bank
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批准号:8813307
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项目类别:Standard Grant
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资助金额:$12.39万
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财政年份:1988
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负责人:George Lohmann
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依托单位:
Seasonal Changes in Foraminiferal Flux and Shell Chemistry in the Northern North Atlantic
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批准号:8800524
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项目类别:Standard Grant
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资助金额:$10.91万
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财政年份:1988
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负责人:George Lohmann
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依托单位:
The Isotopic Signature of Upwelling in the Arabian Sea
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批准号:8710782
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项目类别:Standard Grant
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资助金额:$10.61万
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财政年份:1987
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负责人:George Lohmann
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依托单位:
Detailed Morphologic and Environmental Analysis of a Fossil Speciation Event
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批准号:8606701
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项目类别:Standard Grant
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资助金额:$11.02万
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财政年份:1986
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负责人:George Lohmann
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依托单位:
Pleistocene Abyssal Circulation Dynamics: Equatorial Atlantic
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批准号:8511014
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项目类别:Continuing Grant
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资助金额:$43.85万
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财政年份:1985
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负责人:George Lohmann
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依托单位:
Geological Shape Analysis Conference
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批准号:8410221
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项目类别:Standard Grant
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资助金额:$1.5万
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财政年份:1984
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负责人:George Lohmann
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依托单位:
Polar Neogene Radiolarian Taxonomy
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批准号:8317087
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项目类别:Continuing Grant
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资助金额:$15.39万
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财政年份:1984
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负责人:George Lohmann
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依托单位:
Eigenshape Analysis of Microfossils
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批准号:8214930
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项目类别:Continuing Grant
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资助金额:$15.04万
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财政年份:1982
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负责人:George Lohmann
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依托单位:
An Evaluation of Carbon Isotope Variations in Deep Water Foraminifers
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批准号:8024608
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项目类别:Standard Grant
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资助金额:$2.44万
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财政年份:1981
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负责人:George Lohmann
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依托单位:
South Atlantic Benthic Foraminifers
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批准号:8110935
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项目类别:Standard Grant
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资助金额:$5.14万
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财政年份:1981
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负责人:George Lohmann
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依托单位:
Cenozoic Paleoceanography Project (Cenop)
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批准号:7918286
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项目类别:Continuing Grant
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资助金额:$23.62万
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财政年份:1979
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负责人:George Lohmann
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依托单位:
A Benthonic Foraminiferal Study of Late Pleistocene Deep- Water Circulation Between the Brazil and Angola Basins
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批准号:7819768
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项目类别:Continuing Grant
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资助金额:$16.04万
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财政年份:1978
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负责人:George Lohmann
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依托单位:
海外基金