Animation of the sea surface salinity comparison from ECCO daily-averaged V4r4 and SMAP JPL 8-day running mean V5.0 datasets covering the period of 2015 to 2017. The datasets are accessible on the PO.DAAC Web Portal: https://doi.org/10.5067/ECG5D-SSH44 (DOI:10.5067/ECG5D-SSH44) and https://doi.org/10.5067/SMP50-3TPCS (DOI:10.5067/SMP50-3TPCS).