1. School of Surveying and Land Information Engineering, Henan Polytechnic University, Jiaozuo, Henan, China
2. Research Centre of Arable Land Protection and Urban-rural High-quality Development of Yellow River Basin, Jiaozuo, Henan, China
3. Faculty of Land Resources Engineering, Kunming University of Science and Technology, Kunming, Yunnan, China
4. Surveying and Mapping Geo-Informatics Technology Research Center on Plateau Mountains of Yunnan Higher Education, Kunming, Yunnan, China
5. Key Laboratory of Spatio-temporal Information and Ecological Restoration of Mines of Natural Resources of the People's Republic of China, Henan Polytechnic University, Jiaozuo, Henan, China