1. Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of the Environment, Nanjing Normal University, Nanjing, China
2. Key Laboratory of Virtual Geographic Environment (Nanjing Normal University), Ministry of Education, Nanjing, China
3. State Key Laboratory Cultivation Base of Geographical Environment Evolution (Jiangsu Province), Nanjing, China
4. Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing, China
5. School of Electronics and Information Engineering, Sias International University, Xinzheng, China