1. Guangdong Provincial Key Laboratory of Urbanization and Geo-simulation, School of Geography and Planning, Sun·Yat-sen·University, Guangzhou, China
2. Guangdong Provincial Engineering Research Center for Public Security and Disaster, Guangzhou, China
3. Department of Geography and Environmental Sustainability, University of Oklahoma, Norman, OK, USA
4. Center for Spatial Analysis, University of Oklahoma, Norman, OK, USA
5. Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, China