supported by the Outstanding Young Scholar Project of the National Natural Science Foundation of China(NSFC)(Grant No.40125001);the NSFC international corporation supporting project(Grant No.49950131678);the British Counci1(Grant No.PEK/0992/306).
Short cores of about 80-cm retrieved from three main basins of the deepwater areas in Qinghai Lake, the largest inland enclosed lake in China, were studied. Stable isotopes of authigenic carbonates, grain-size, carbon...