supported by the National Natural Science Foundation of China(grants No.40599420,40872114 and 41140028);the National Basic Research Program of China(grant No.2010CB833400);the Central University Research Foundation(grant No.310827152014);the State Key Laboratory of Loess and Quaternary Geology
The Qinghai Lake in North China is the largest interior plateau lake in Central Asia, and is sensitive to climate change and the environmental effects of Tibetan Plateau uplift. An almost continuous 626 m long sedimen...