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Centennial-Millennial Scale Oscillations in the East Asian Monsoon

Centennial-Millennial Scale Oscillations in the East Asian Monsoon
东亚季风的百年一千年尺度振荡
批准号：
9710097
负责人：
Delia Oppo
金额：
$31.29万
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：
1997
资助国家：
美国
项目状态：
已结题
起止时间：
1997-07-01 至 2000-06-30
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9710097&HistoricalAwards=false
关键词：
CentennialMillennialScaleOscillationsEast

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中文摘要
翻译
本项目将分析华南和苏禄海高沉积速率岩心中浮游有孔虫的稳定同位素和分类组合。PIs假设最后一个间期观测到的氧同位素的大变化反映了南海季风降水的变化。这一假设将通过比较同位素和分类学数据得到验证；在苏禄海，将采用相同的方法评估海温和盐度的相对作用。结论将应用于全球环流模式，以评估区域季风与北大西洋环流变化的可能联系。
英文摘要
This project will analyze stable isotopes and taxonomic assemblage of planktic foraminifera in high-sedimentation-rate cores from the South China and Sulu Seas. The PIs postulate that large changes in oxygen isotopes observed for the last interstadial period reflect changes in monsoon-induced precipitation in the South China Sea. This assumption will be tested by comparing isotopic and taxonomic data; in the Sulu Sea, the relative roles of sea-surface temperature and salinity will be assessed by the same methods. Conclusions will be applied to a Global Circulation Model to assess the possible linkage of the regional monsoon and circulation changes in the North Atlantic.
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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
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Variability in the Atlantic Meridional Overturning Circulation During Marine Isotope Stage 3
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