Southern Ocean

Image: turbulent blue ocean wave with white sea foam swirling in dark water
Shifting ocean gyres are making parts of the Southern Ocean saltierScience

Shifting ocean gyres are making parts of the Southern Ocean saltier

Subtropical gyre expansion causes Southern Ocean salinification contrary to freshening predictions Summary: Ocean circulation drove an unexpected rise in salinity between about 40°S and 50°S…
SourceSourceSeptember 29, 2026 Full article