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Torrents of Antarctic meltwater are slowing the currents that drive our vital ocean ‘overturning’ – and threaten its collapse

In a plot reminiscent of the 2004 movie The Day After Tomorrow?, Australian scientists are warning that the Southern Ocean’s deep “overturning” circulation is slowing and headed for collapse.
NASA/Goddard Space Flight Center Scientific Visualization Studio

Satellites reveal ocean currents are getting stronger, with potentially significant implications for climate change

Our team discovered clear changes in the distribution and strength of ocean eddies. These changes have never been detected before.
Southern bull kelp can drift huge distances before washing ashore. Ceridwen Fraser

How an alien seaweed invasion spawned an Antarctic mystery

A chance discovery of some kelp that floated for 20,000km before washing up on an Antarctic beach has opened up a new chapter in our understanding of the currents that swirl around the Southern Ocean.

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