1. School of Environmental Science and Engineering, Tianjin University, Tianjin300350, China
2. State Environmental Protection Key Laboratory of Environmental Planning and Policy Simulation, Chinese Academy of Environmental Planning, Beijing100012, China
3. The Center for Beijing-Tianjin-Hebei Regional Environment, Chinese Academy of Environmental Planning, Beijing100012, China
4. School of Geography, Earth and Environmental Sciences, University of Birmingham, BirminghamB15 2TT, United Kingdom
5. School of Environmental Science and Engineering, Hubei Polytechnic University, Huangshi435003, China