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Collaborative Research: Testing the Glacial-Interglacial Conveyor Belt Hypothesis

Collaborative Research: Testing the Glacial-Interglacial Conveyor Belt Hypothesis
合作研究：检验冰期-间冰期传送带假说
批准号：
0118001
负责人：
Delia Oppo
金额：
$9.93万
依托单位：
Woods Hole Oceanographic Institution
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
2001
资助国家：
美国
项目状态：
已结题
起止时间：
2001-10-01 至 2003-09-30
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=0118001&HistoricalAwards=false
关键词：
CollaborativeResearchTestingGlacialInterglacial

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中文摘要
翻译
摘要：本提案要求支持对新的观测结果进行验证，这些观测结果表明，从末次极大期研究中得出的当前深水环流模式和结构模型并不适用于大多数更新世冰期。初步结果表明，与已建立的传送带模式相反，拉布拉多海水（LSW）和挪威海溢水（NSOW）在多个更新世冰期持续形成，但d13C特征不同。该概念将通过开发以三个时间间隔形成北大西洋深度横断面的多代理数据集来进行测试，以绘制不同深度以及沉积物漂移地点（NSOW路径）和非沉积物漂移地点（LSW路径）之间的情况。
英文摘要
Summary: This proposal requests support to test new observations indicating that the current model for deep water circulation patterns and structure derived from studies of the last glacial maximum are not typical of most Pleistocene glacial intervals. Preliminary results suggest that, in contrast to the established conveyor belt model, Labrador Sea Water (LSW) and Norwegian Sea Overflow Water (NSOW) continued to form albeit with different d13C signatures during many Pleistocene glacials. The concept will be tested by developing multiproxy data sets forming depth transects of the North Atlantic at three time intervals to map conditions at different depths and between sediment drift sites (path of NSOW) and non-sediment drift sites (path of LSW).
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国内基金
海外基金
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  • 批准号：
    24ZR1403900
  • 项目类别：
    省市级项目
  • 资助金额：
    --
  • 批准年份：
    2024
  • 负责人：
    SATOSHI NAWATA
  • 依托单位：
    复旦大学
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