1. Assistant Professor, Dept. of Geographical Sciences, Univ. of Nottingham Ningbo China, 199 Taikang East Rd., Ningbo 315100, China; and Research Associate, School of Geography, Univ. of Leeds, Leeds LS29JT, U.K. (corresponding author).
2. Professor, School of Civil Engineering, Univ. of Leeds, Leeds LS29JT, U.K; and Professor, UNESCO-IHE, Institute for Water Education, P.O. Box 3015, 2601 DA Delft, Netherlands.
3. Professor, Dept. of Water Hazard Research, China Institute of Water Resources and Hydropower Research (IWHR), Beijing 100038, China.
4. Assistant Professor, Dept. of Geographical Sciences, Univ. of Nottingham Ningbo China, 199 Taikang East Rd., Ningbo 315100, China.