Antarctic Ice Core Records of Oceanic Emissions: Sulfur, Bromine, Iodine, and Selenium
Antarctic Ice Core Records of Oceanic Emissions: Sulfur, Bromine, Iodine, and Selenium
批准号:
9222178
负责人:
Eric Saltzman
金额:
$36.35万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1993
资助国家:
美国
项目状态:
已结题
起止时间:
1993-04-01 至 1997-03-31
中文摘要
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英文摘要
This award is for support of a three year project to obtain a long term record of the atmospheric deposition of the marine-derived elements Sulfur, Bromine, Iodine, and Selenium. The principle focus of the work is on the sulfur cycle, because of its role as the major aerosol forming species in the atmosphere and its potential importance in climate regulation. Samples from the Vostok and Taylor Dome ice cores will be analyzed for this study. The ice core record of methansulfonate and non-seasalt sulfate will be extended to include two complete glacial cycles in the deep Vostok ice core and analyses of a shallow, dry drilled ice core from Vostok will allow the identification of any recent changes in these parameters. Analyses of the Taylor glacier ice core will also be made for comparison with Vostok.
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Detection of Inorganic Dihalogen Gases (Cl2, Br2, I2, BrCl, and ICl) in the Marine Atmosphere
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依托单位:
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财政年份:2004
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依托单位:
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依托单位:
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Extraction and Analysis of Halocarbons and Other Trace Gases in Greenland Ice Cores
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Degradation of Methyl Bromide and Methyl Chloride in the Oceans
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批准号:0227202
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依托单位:
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负责人:Eric Saltzman
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依托单位:
国内基金
海外基金
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