Animation of sea surface salinity from 27 March 2015 to 13 August 2019 based on the 8-day running mean version 4.0 Level 3 NASA Soil Moisture Active Passive (SMAP) dataset from Remote Sensing Systems (RSS). The dataset can be accessed from the PO.DAAC Portal at https://podaac.jpl.nasa.gov/dataset/SMAP_RSS_L3_SSS_SMI_8DAY-RUNNINGMEAN_V4 (DOI:10.5067/SMP40-3SPCS).