1. Jiangsu Institute of Urban Planning and Design, Nanjing, China
2. School of Architecture and Urban Planning, Nanjing University, Nanjing, China
3. Key Laboratory of Watershed Geographic Sciences, Nanjing Institute of Geographyand Limnology, CAS , Nanjing, China
4. Department of Planning and Environmental Management, School of Environment, Education and Development, The University of Manchester , Manchester, UK