Deliang Chen, Jianbo Xiao, College of Geographic and Biologic Information, Nanjing University of Posts and Telecommunications, China; Kyle Gao, epartement of Systems Design Engineering,University of Waterloo, Canada; Yanyan Lu, Institute of Natural Resources and Environment Audit, Nanjing Audit University, China; Sarah Fatholahi, Jonathan Li, Department of Geography and Environmental Management and Department of Systems Design Engineering, University of Waterloo, Canada