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Our Changing World

Voice of the Sea Ice 02 | Antarctica's heartbeat

29 min • 12 mars 2025

Step out on the sea ice just outside New Zealand’s Scott Base with researchers studying the physics of its annual cycle. Each year a massive patch of ocean around Antarctica freezes and then melts again come summer – Antarctica’s heartbeat. In winter, the ice effectively more than doubles the size of this already massive continent, and it plays a huge role in controlling our planet’s climate.

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This series was made with travel support from the Antarctica New Zealand Community Engagement Programme.

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Go to this episode on rnz.co.nz for more details

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