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Without floating sea ice, climate-weakened ice shelves are wide open to attack by waves. AAP Image/Caroline Berdon

Ocean waves and lack of sea ice can trigger Antarctic ice shelves to disintegrate

Luke Bennetts, University of Adelaide; Rob Massom, Australian Antarctic Division, and Vernon Squire, University of Otago

Since 1995, several ice shelves off the Antarctic Peninsula have abruptly disintegrated. A new analysis suggests that these events are triggered when ice shelves lose their buffer of floating ice.