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Atlantic Paleoventilation Rates from Deep Sea Coral

Atlantic Paleoventilation Rates from Deep Sea Coral
深海珊瑚的大西洋古通风率
批准号:
9730147
负责人:
Robert Anderson
金额:
$9.73万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1998
资助国家:
美国
项目状态:
已结题
起止时间:
1998-03-15 至 2000-11-30

项目摘要

项目成果

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中文摘要
翻译
9730147安德森这个项目将使用从亚特兰蒂海中等深度挖出的珊瑚的U/Th和14C测年,以确定最后一次冰期和去冰期期间通气率的变化。样品的14C年代和U/Th年代之间的差异可以确定珊瑚生活在水中的年龄,在对放射性碳生产和水库效应进行校正后。水龄的不同反映了水源的不同,因此可以限制与气候状态有关的循环变化。
英文摘要
9730147 Anderson This project will use U/Th and 14C dating in corals dredged from intermediate depths of the Atlanti Ocean to identify changes in ventilation rate during the last glacial and deglacial intervals. The difference between the 14C date and the U/Th date of a sample can determine the age of the water in which the coral lived, after correction for radiocarbon porduction and reservoir effects. Differences in water age reflect differences in source of the water, and therefore can constrain circulation changes related to climatic states.
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Support for the U.S. GEOTRACES Project Office
  • 批准号:
    2219888
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $129.83万
  • 财政年份:
    2022
  • 负责人:
    Robert Anderson
  • 依托单位:
Collaborative Research: Management and Implementation of US GEOTRACES GP17 Section: Amundsen Sea Sector of the Antarctic Continental Margin (GP17-ANT)
  • 批准号:
    2023363
  • 项目类别:
    Standard Grant
  • 资助金额:
    $6.84万
  • 财政年份:
    2021
  • 负责人:
    Robert Anderson
  • 依托单位:
Collaborative Research: U.S. GEOTRACES GP17-OCE and GP17-ANT: Thorium-230, Thorium-232 and Protactinium-231 as tracers of trace element supply and removal
  • 批准号:
    2049204
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $90.0万
  • 财政年份:
    2021
  • 负责人:
    Robert Anderson
  • 依托单位:
Predicting mammalian communities in Mesoamerican 'sky islands' using species traits and spatiotemporal patterns of environmental suitability
  • 批准号:
    2002202
  • 项目类别:
    Standard Grant
  • 资助金额:
    $30.0万
  • 财政年份:
    2020
  • 负责人:
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  • 依托单位:
海外基金