1. School of Geography and Planning, Sun Yat-sen University, Guangzhou, China
2. Guangdong Provincial Key Laboratory of Urbanization and Geo-Simulation, Sun Yat-sen University, Guangzhou, China
3. Guangdong Provincial Engineering Research Centre for Public Security and Disasters, Sun Yat-sen University, Guangzhou, China
4. Department of Ocean Science, Hong Kong University of Science and Technology, Hong Kong, SAR, China
5. Department of Geography, College of Science, University of Lincoln, Lincoln, U.K.