1. Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing Normal University, Nanjing210023, China
2. School of Geography Science, Nanjing Normal University, Nanjing210023, China
3. School of Chemistry, Biology and Environment, Yuxi Normal University, Yuxi653100, China
4. State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing210008, China
5. State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing210023, China
6. Key Laboratory of Virtual Geographic Environment (Nanjing Normal University), Ministry of Education, Nanjing210023, China