[1] Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, Urumqi 830011, Peoples R China
[2] Southwest Univ Polit Sci & Law, Adv Res Inst, Chongqing 401120, Peoples R China
[3] Tech Univ Munich, Chair Hydrol & River Basin Management, D-80333 Munich, Germany
[4] Univ Bundeswehr Muenchen, Chair Stat & Risk Management, D-85577 Neubiberg, Germany