1. Professor, Key Laboratory for Urban Habitat Environmental Science and Technology, School of Urban Planning and Design, Peking Univ., Shenzhen, Guangdong 518055, P.R. China; Professor, Laboratory for Earth Surface Processes, Ministry of Education, College of Urban and Environmental Sciences, Peking Univ., Beijing 100871, P.R. China.
2. Postgraduate Student, Key Laboratory for Urban Habitat Environmental Science and Technology, School of Urban Planning and Design, Peking Univ., Shenzhen, Guangdong 518055, P.R. China.
3. Associate Professor, Dept. of Urban Planning and Design, Univ. of Hong Kong, Hong Kong, P.R. China (corresponding author).