Holocene Climate in Coastal Peru: Potential Implications for Climate Dynamics during the Hypsithermal Period
Holocene Climate in Coastal Peru: Potential Implications for Climate Dynamics during the Hypsithermal Period
批准号:
9711911
负责人:
James Wright
金额:
$1.69万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1997
资助国家:
美国
项目状态:
已结题
起止时间:
1997-08-15 至 1998-07-31
中文摘要
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英文摘要
This pilot study will analyze stable isotopes in planktic foraminifera in sediment cores off the coast of Peru for the Holocene interval. In many regions of the world the early Holocene is believed to have been a time of warmer-than modern temperatures. Data derived from Peruvian middens give conflicting evidence as to whether this period was somewhat warmer or cooler than today. The foraminiferal data should provide a record of sea surface temperatures and seasonal upwelling along coastal Peru throughout the Holocene, including the period of human coastal settlement.
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海外基金