Sea Surface Salinity Published on September 15, 2012 in An Ocean’s Perspective on the Changing Water CycleFull resolution ( × ) ← Previous Next → P.J. Durack, et al. Science. 2012. DOI:10.1126/science.1212222. An image of sea surface salinity changes from 1950-2000. Red regions are getting saltier, and blue regions are getting fresher.