[1] Tsinghua Univ, Dept Hydraul Engn, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
[2] Natl Univ Sci & Technol NUST, Sch Civil & Environm Engn SCEE, NUST Inst Civil Engn NICE, H-12, Islamabad 44000, Pakistan
[3] Tsinghua Univ, Inst Global Change Studies, Dept Earth Syst Sci, Minist Educ Ecol Field Stn East Asian Migratory Bi, Beijing 100084, Peoples R China