1. State Key Laboratory of Information Engineering in Surveying, Mapping, and Remote Sensing, Wuhan University, Wuhan, China
2. School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, China
3. School of Geospatial Engineering and Science, Sun Yat-Sen University, Guangzhou, China
4. South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, China