Uncertainty in Changing Volumes of Reservoirs from Surface Water and Ocean Topography (SWOT) Mission

The launch of the Surface Water Ocean Topography (SWOT) satellite on December 16, 2022, signifies a groundbreaking advancement in earth's freshwater resource monitoring. Operating across Ku, C, and Ka bands, SWOT employs different retracking algorithms like Ocean, OCOG, Sea-ice, ice-2, and TFMRA. In this study, we use the first-hand datasets from SWOT mission Ku and C band post launch to estimate the uncertainty in changing volumes of lakes due to retracking algorithms. This work sheds light on the intricacies associated with utilizing SWOT data for freshwater resource assessment.