1. School of Geography and Planning; Sun Yat-sen University; Guangzhou China
2. Guangdong Key Laboratory for Urbanization and Geo-simulation; Sun Yat-sen University; Guangzhou China
3. Department of Water Resources and Environment; Sun Yat-sen University; Guangzhou China
4. Key Laboratory of Water Cycle and Water Security in Southern China of Guangdong High Education Institute; Sun Yat-sen University; Guangzhou China
5. Department of Civil and Environmental Engineering; University of Connecticut; Storrs CT USA