1. Professor, School of Water Resources and Hydropower, Wuhan Univ. Wuhan, Hubei, 430072, P.R. China.
2. School of Water Resources and Hydropower, Wuhan Univ., Wuhan, Hubei, 430072, P.R. China.
3. Lille Univ. of Science and Technology, Cite Scientifique, 59656 Villeneuve d’ASCQ, France.
4. Professor, Lille Univ. of Science and Technology, Cite Scientifique, 59656 Villeneuve d’ASCQ, France.