1. College of Geographical Science, Inner Mongolia Normal University, Hohhot 010022, China
2. Key Laboratory of Remote Sensing and Geographic Information System, Inner Mongolia Autonomous Region, Hohhot 010022, China
3. Key Laboratory of Disaster and Ecological Security on the Mongolia Plateau, Inner Mongolia Autonomous Region, Hohhot 010022, China
4. Surveying and Mapping Geographic Information Center, Inner Mongolia Autonomous Region, Hohhot 010022, China
5. Ejin Horo Banner Agricultural and Pastoral Industry Development Center, Inner Mongolia Autonomous Region, Ordos 017200, China