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Geochemical Record of Thermohaline Flow in the Southwest Atlantic: Watermass Geometry on Orbital and Millennial Time Scales

Geochemical Record of Thermohaline Flow in the Southwest Atlantic: Watermass Geometry on Orbital and Millennial Time Scales
西南大西洋温盐流的地球化学记录：轨道和千年时间尺度上的水体几何
批准号：
9986748
负责人：
Delia Oppo
金额：
$30.0万
依托单位：
Woods Hole Oceanographic Institution
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
2000
资助国家：
美国
项目状态：
已结题
起止时间：
2000-03-01 至 2004-02-29
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9986748&HistoricalAwards=false
关键词：
GeochemicalRecordThermohalineFlowSouthwest

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中文摘要
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英文摘要
This project will address a hypothesized link between export of North Atlantic Intermediate Water to the South Atlantic and warming of South Atlantic upper waters. Model predictions indicate that during glacial intervals the reduction of NADW export should produce accumulation of upper ocean heat in the South Atlantic. The project will analyze stable isotopes and Cd/Ca in benthic foraminifera from a depth transect of cores on the Brazil margin. Emphasis will be upon the last glacial maximum, but exploratory work will also be done to determine if there is dateable evidence for rapid events during the earlier intervals (Isotope Stages 3-6).
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会议论文
Disentangling Drivers of Heat and Freshwater Transport through the Indonesian Seas Across Timescales: Insights from Marine Sediments and Model Simulations
Holocene Upper Atlantic Temperature Trend: AMOC Variability or Anomalous Heat Uptake
Developing bottom water temperature (BWT) calibrations using elemental ratios in benthic foraminifera
Variability in the Atlantic Meridional Overturning Circulation During Marine Isotope Stage 3
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