1. College of Environment and Safety Engineering, Fuzhou University, Fuzhou, China
2. Institute of Remote Sensing Information Engineering, Fujian Provincial Key Laboratory of Remote Sensing of Soil Erosion, Fuzhou University, Fuzhou, China
3. Key Laboratory of Spatial Data Mining and Information Sharing, Ministry of Education, Academy of Digital China (Fujian), Fuzhou University, Fuzhou, China
4. Department of Information Engineering, Fuzhou Investigation and Surveying Institute Co, Ltd., Fuzhou, China
5. College of Science and Engineering, Flinders University, Adelaide, Australia
6. Fujian Provincial Key Laboratory of Island Monitoring and Ecological Development, Island Research Center, Ministry of Natural Resources, Fujian, China