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Climatic and environmental changes over the past about 300 years recorded by lake sediments in Taro Co, southwestern Tibetan Plateau
Author(s): 
Pages: 79-90
Year: Issue:  1
Journal: Journal of Earch Sciences and Environment

Abstract: 以青藏高原西南部塔若错的34 cm浅湖芯为研究对象,对其沉积物样品进行总有机碳、无机碳、总氮、微量元素、正构烷烃含量及碳氮比等多项指标的分析测定.采用过剩210pb和137 CS计年法对该湖芯进行了定年和沉积速率研究,获得了近300年的连续湖泊沉积环境序列.在明确了各指标气候环境指示意义的前提下,综合对比分析湖芯中各项气候环境指标,并结合定年结果重建了塔若错湖区近300年来的气候环境变化.结果表明...
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