Collaborative Research: Andean Climate History: Geochemical Proxies from a Holocene-Pleistocene Salt Core, Salar Del Hombre Muerto, Argentina
Collaborative Research: Andean Climate History: Geochemical Proxies from a Holocene-Pleistocene Salt Core, Salar Del Hombre Muerto, Argentina
批准号:
9632359
负责人:
Tim Lowenstein
金额:
$4.12万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1996
资助国家:
美国
项目状态:
已结题
起止时间:
1996-07-01 至 1998-06-30
中文摘要
Am-9632359 Lowenstein,Tim K.纽约州立大学Binghamton标题:合作研究:来自阿根廷Salar Del Hombre Muerto全新世更新世盐芯的地球化学指标该奖项支持对Hombre Muerto Salar 50米以上盐芯的古环境研究,Hombre Muerto Salar是中安第斯山脉高原东南部的一个干燥湖泊。岩芯记录了湖泊的充填和干化历史,因此也是追溯到过去的水文和气候变化的记录。在南美洲,末次冰盛期和全新世的气候历史是有争议的,而在第四纪之前,它几乎是未知的。从这个核心提取的古气候数据将处理南北半球气候循环的相对时间,以及安第斯山脉降水循环和温度循环之间的时间位相关系。
英文摘要
Abstract ATM-9632359 Lowenstein, Tim K. State University of New York - Binghamton Title: Collaborative Research: Geochemical Proxies from a Holocene Pleistocene Salt Core, Salar Del Hombre Muerto, Argentina This award supports a paleoenvironmental study of a 50+meter salt core from Hombre Muerto salar, a dry lake in the southeastern Altiplano of the Central Andes. The core is a register of the history of fill and desiccation of the lake, and is thus a record of the changes in hydrology and climate extending back through time. In South America, the climate history of the Last Glacial Maximum and the Holocene is controversial, and prior to the Quaternary, it is virtually unknown. Paleoclimate data extracted from this core will address the relative timing of northern and southern hemisphere climate cycles, and the temporal phase relations between precipitation cycles and temperature cycles in the Andes.
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国内基金
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