Synchronizing Ice and Sediment Records with Leaf Wax Abundances: A Small Grant for Exploratory Research (SGER)
Synchronizing Ice and Sediment Records with Leaf Wax Abundances: A Small Grant for Exploratory Research (SGER)
批准号:
0004047
负责人:
Julian Sachs
金额:
$10.0万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2000
资助国家:
美国
项目状态:
已结题
起止时间:
2000-10-01 至 2000-11-30
中文摘要
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英文摘要
Summary: This research will test the concept that leaf wax abundance in deep sea sediments and ice from Greenland represents a proxy for atmospheric dust and can be used to precisely synchronize climate records from ice cores and deep sea sediments. This project will measure leaf wax abundance in sediments from the Bermuda Rise and Bahama Outer Ridge and in two ice cores from Greenland over the interval of ~ 39,000 to 36,000 years ago. The objective will be determine if abrupt climate events believed to occur during this interval can be identified and correlated between the ice core and sediment records by changes in leaf wax abundance and isotopic proxies.
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海外基金
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