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A preliminary research on the climatic records of lacustrine deposits of qingtu lake in the last 6000 years

机译：近6000年来青土湖湖相沉积物气候记录的初步研究

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摘要

A preliminary study on the advance and the retreat of Qingtu Lake and its climatic records of the Holocene lacustrine deposits has been made through comprehensive analysis. The study shows that the modes characteristics of cli- matic change in Eastern Hexi Corridor was provided with the corresponding relationship of warm-moist clod-dry dur- ing the scale longer than hundred years. As a result of climatic changes and human activities, Qingtu Lake cycle has un- dergone four lake-retreated than three lake-advanced stages since 6000 a B.P.
机译：通过综合分析，初步研究了青土湖的进退程度及其全新世湖相沉积的气候记录。研究表明，河西走廊东部地区气候变化的模式特征与百年以上规模的温湿土块干变具有对应关系。由于气候变化和人类活动的影响，自公元6000年以来，青土湖的旋回经历了四个湖退缩阶段，而不是三个湖退后阶段。

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