Yue, Xiaoli, Key Lab of Guangdong for Utilization of Remote Sensing and Geographical Information System, Guangdong Open Laboratory of Geospatial Information Technology and Application, Guangzhou Institute of Geography, Guangdong Academy of Sciences, Guangzhou 510070, Guangdong Province, China ;School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou 510090, Guangdong Province, China, China