1. Base of the State Key Laboratory of Urban Environmental Process and Digital Modeling, Capital Normal University, Beijing, China
2. Key Laboratory of 3D Information Acquisition and Application of Ministry of Education, Capital Normal University, Beijing, China
3. Beijing Laboratory of Water Resources Safety, Capital Normal University, Beijing, China
4. College of Resource Environment and Tourism, Capital Normal University, Beijing, China
5. Key Laboratory of Resources Environment and GIS of Beijing Municipal, Capital Normal University, Beijing, China