[1] Chinese Acad Sci, Inst Tibetan Plateau Res, State Key Lab Tibetan Plateau Earth Syst Sci LATPE, Grp Alpine Paleoecol & Human Adaptat ALPHA, Beijing 100101, Peoples R China
[2] Chinese Acad Sci, Key Lab Desert & Desertificat, Northwest Inst Ecoenvironm & Resources, Lanzhou 730000, Peoples R China
[3] Guangzhou Univ, Ctr Climate & Environm Changes, Sch Geog Sci, Guangzhou 510006, Peoples R China