supported by the National Natural Science Foundation of China (40871099 and 40810166);the Knowledge Innovation Key Program of the Chinese Academy of Sciences (KZCX2-YW-146 and KZCX2-EW-113);the Special Pilot Research of the Chinese Academy of Sciences (XDA05120301)
A 380-cm-long sediment core was acquired from the deep water area of Pumoyum Co, southern Tibet. Twenty-five plant residue samples were selected, and organic carbon stable isotopes were obtained using the AMS 14 C chr...