1Faculty of Geomatics, East China University of Technology, Nanchang, Jiangxi 330013, China
2Key Laboratory of Watershed Ecology and Geographical Environment Monitoring National Administration of Surveying, Mapping and Geoinformation,Nanchang, Jiangxi 330013, China
3Key Lab of Guangdong for Utilization of Remote Sensing and Geographical Information System, Guangdong Open Laboratory of Geospatial Information Technology and Application, Guangdong Engineering Technology Center for Remote Sensing Big Data Application, Guangzhou Institute of Geography, Guangzhou, Guangdong 510070, China