[1] Beijing Normal Univ, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China
[2] Beijing Normal Univ, Minist Educ, Key Lab Environm Change & Nat Disaster, Beijing 100875, Peoples R China
[3] Beijing Normal Univ, Acad Disaster Reduct & Emergency Management, Beijing 100875, Peoples R China
[4] Global Climate Forum, D-10178 Berlin, Germany
[5] Beijing Normal Univ, Sch Syst Sci, Beijing 100875, Peoples R China
[6] Beijing Normal Univ, Coll Resources Sci & Technol, Beijing 100875, Peoples R China
[7] Gen Res Inst Nonferrous Met, Beijing 100088, Peoples R China