1. Hohai University, Institute of Remote Sensing and Spatial Information Engineering, School of Earth Sciences and Engineering, No. 8 Focheng West Road, Nanjing 211100, ChinabChangjiang Water Resources Commission, Lower Changjiang River Bureau of Hydrological and Water Resources Survey, No. 66 Dama Road, Nanjing 210011, China
2. Hohai University, Institute of Remote Sensing and Spatial Information Engineering, School of Earth Sciences and Engineering, No. 8 Focheng West Road, Nanjing 211100, China
3. Changjiang Water Resources Commission, Lower Changjiang River Bureau of Hydrological and Water Resources Survey, No. 66 Dama Road, Nanjing 210011, China