River Water Level and Water Surface Slope Measurement From Spaceborne Radar and LiDAR Altimetry: Evaluation and Implications for Hydrological Studies in the Ganga River. - Pankaj R. Dhote; Ankit Agarwal; Gaurish Singhal; Stéphane Calmant; Praveen K. Thakur; Hind Oubanas; Adrien Paris; Raghavendra P. Singh (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024)