课题基金 / 基金详情

Decadal to Century-Scale Climate Variability during the Holocene: Paired Mg/Ca and Oxygen Isotope Records from Cariaco and Santa Barbara Basins

Decadal to Century-Scale Climate Variability during the Holocene: Paired Mg/Ca and Oxygen Isotope Records from Cariaco and Santa Barbara Basins
全新世十年至百年尺度的气候变化：卡里亚科和圣巴巴拉盆地的成对镁/钙和氧同位素记录
批准号：
0315234
负责人：
Robert Thunell
金额：
$29.68万
依托单位：
University South Carolina Research Foundation
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
2003
资助国家：
美国
项目状态：
已结题
起止时间：
2003-07-15 至 2007-06-30
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=0315234&HistoricalAwards=false
关键词：
DecadalCenturyScaleClimateVariability

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中文摘要
翻译
这项建议的资金来源是利用加勒比、瓜伊马斯和圣巴巴拉盆地的水文数据校准多种浮游有孔虫的镁/钙温度指标，以完善多种浮游有孔虫的镁/钙温度指标。然后，将镁/钙替代物与相同沉积物圈闭样品上的氧同位素和烯酮测量结果进行比较。镁/钙定标将用于重建Cariaco盆地和Santa Barbara盆地的全新世，这些叠层岩芯已被AMS 14C测年，并具有详细的有孔虫氧同位素记录。
英文摘要
This proposal is funded to calibrate the Mg/Ca temperature proxy in multiple species of planktic foraminifers with hydrographic data from the Cariaco, Guaymas and Santa Barbara Basins to refine the Mg/Ca temperature proxy in multiple species of planktic foraminifers. The Mg/Ca proxy will then be compared with oxygen isotope and alkenone measurements on the same sediment trap samples. The Mg/Ca calibrations will be used to reconstruct the Holocene of the Cariaco and Santa Barbara Basins from laminated cores which have been AMS 14C dated and have detailed foraminiferal oxygen isotope records.
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会议论文
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