1. State Key Laboratory of Information Engineering in Surveying, Mapping, and Remote Sensing Wuhan University Wuhan China
2. Collaborative Innovation Center of Geospatial Technology Wuhan China
3. Institute of Arid Meteorology, CMA, Key Laboratory of Arid Climatic Change and Reducing Disaster of CMA, Key Laboratory of Arid Climatic Change and Reducing Disaster of Gansu Province Lanzhou China