1. Key Laboratory of Mountain Hazards and Earth Surface Process/Institute of Mountain Hazards and Environment Chinese Academy of Sciences Chengdu China
2. University of Chinese Academy of Sciences Beijing China
3. China‐Pakistan Joint Research Center on Earth Sciences CAS‐HEC Chengdu China
4. Department of Civil Engineering The University of Hong Kong Hong Kong China
5. Now at Department of Chemical and Biological Engineering Northwestern University Evanston IL USA