[1] Wuhan Univ, State Key Lab Water Resources & Hydropower Engn S, Wuhan 430072, Hubei, Peoples R China
[2] Minist Water Resources Peoples Republ China, Hydrol Monitor & Forecast Ctr, Informat Ctr, Beijing 100053, Peoples R China
[3] Univ Oslo, Dept Geosci, POB 1047, N-0316 Oslo, Norway