1. Department of Land Surveying and Geo‐Informatics Research Institute for Land and Space The Hong Kong Polytechnic University Hong Kong China
2. Shenzhen Research Institute The Hong Kong Polytechnic University Shenzhen China
3. Department of Civil, Construction, and Environmental Engineering Center for Complex Hydrosystems Research The University of Alabama Tuscaloosa AL USA
4. School of Geography and the Environment University of Oxford Oxford UK
5. China Aero Geophysical Survey and Remote Sensing Center Beijing China