The Southern Ocean has become less salty during the past few decades. An analysis of sea-ice transport in the ocean suggests that this phenomenon can be explained by coupled changes in sea-ice drift and thickness. See Letter p.89
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Maksym, T. Southern Ocean freshened by sea ice. Nature 537, 40–41 (2016). https://doi.org/10.1038/537040a
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DOI: https://doi.org/10.1038/537040a
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