1. Research Associate, School of Geography, South China Normal Univ., Guangzhou 510631, China.
2. Associate Professor, School of Civil Engineering and Transportation, South China Univ. of Technology, Guangzhou 510641, China; Associate Professor, State Key Laboratory of Subtropical Building Science, South China Univ. of Technology, Guangzhou 510641, China (corresponding author).
3. Professor, School of Civil Engineering and Built Environment, Queensland Univ. of Technology, Garden Point Campus, GPO Box 2434, Brisbane, QLD 4001, Australia.