1. School of Surveying and Geoinformation Engineering, East China University of Technology, Nanchang 330013, China
2. Key Laboratory of Mine Environmental Monitoring and Improving around Poyang Lake of Ministry of Natural Resources, East China University of Technology, Nanchang 330013, China
3. School of Environmental Science and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China
4. School of Civil and Surveying & Mapping Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China