1. Jiangsu Provincial Key Laboratory of Geographic Information Science and Technology, Nanjing University, Nanjing, China
2. International Institute for Earth System Science, Nanjing University, Nanjing, China
3. Zhejiang Provincial Key Laboratory of Carbon Cycling in Forest Ecosystems and Carbon Sequestration, Zhejiang Agriculture and Forestry University, Hangzhou, China
4. School of Geographic Information and Tourism, Chuzhou University, Chuzhou, China