Dr. Simon Allen¹, Ashim Sattar², Tobias Bolch³, Guoqing Zhang⁴, Weicai Wang⁴ and Tandong Yao⁵, (1)University of Zurich, Zurich, Switzerland, (2)Indian Institute of Technology Roorkee, Roorkee, India, (3)University of St Andrews, School of Geography and Sustainable Development, St Andrews, United Kingdom, (4)ITP Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China, (5)Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China