1. Jiangsu Provincial Key Laboratory of Geographic Information Science and Technology, International Institute for Earth System Science; Nanjing University; Nanjing China
2. Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application; Nanjing China
3. School of Sustainable Engineering and the Built Environment; Arizona State University; Tempe AZ USA
4. College of Global Change and Earth System Science, Joint Center for Global Change Studies; Beijing Normal University; Beijing China
5. Department of Geography and Program in Planning; University of Toronto; Toronto ON Canada
6. Department of Geographic and Oceanographic Sciences; Nanjing University; Nanjing China