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Collaborative: Combined 230 Th and 231 Pa Dating: Establishing the Absolute Timing of Late Quaternary Climate Changes and Calibrating the 14 C Timescale

Collaborative: Combined 230 Th and 231 Pa Dating: Establishing the Absolute Timing of Late Quaternary Climate Changes and Calibrating the 14 C Timescale
合作：230 Th 和 231 Pa 联合测年：确定晚第四纪气候变化的绝对时间并校准 14 C 时间尺度
批准号：
9810724
负责人：
Frederick Taylor
金额：
$7.3万
依托单位：
University of Texas at Austin
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
1998
资助国家：
美国
项目状态：
已结题
起止时间：
1998-12-01 至 2002-11-30
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9810724&HistoricalAwards=false
关键词：
CollaborativeCombined230Th231

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英文摘要
This ESH award will support ateam of investigators to address three separate projects, each combining the use of radiochemical dating techniques (14C, 230Th and 231Pa) with stable isoptope and trace element analysis of corals and speleothems. Projects include: (1) Calibration of the radiocarbon time scale between 10,000 and 48,000 years BP using previously-collected corals from Papua New Guinea and speleothems from the Bahamas; (2) Establish a high-resolution climate record for the mid-continent of North America from Missouri Speleothems; (3) Determine the age and sea-level history for the penultimate deglaciation (Termination II) using coral outcrops in Barbados.
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The Earthquake Cycle and its Role in Permanent Vertical Deformation in the Western Solomons Arc from Coral Paleogeodesy of the Past Few Centuries
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  • 财政年份：
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