1. School of Earth and Space Sciences, Institute of RS and GIS, Peking University, Beijing, China
2. College of Resources and Environment, Southwest University, Chongqing, China
3. Institute of Oceanographic Instrumentation, Qilu University of Technology (Shandong Academy of Sciences), Qingdao, China
4. Department of Civil, Architectural and Environmental Engineering, The University of Texas at Austin, Austin, TX, USA
5. State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China
6. State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, Research Center on Flood and Drought Disaster Reduction, Ministry of Water Resources, China Institute of Water Resources and Hydropower Research, Beijing, China