Observed breaking Antarctic ice shelves (IMAGE) Science China Press Caption The circumpolar Southern Ocean lies beneath sea ice and ice shelves around the Antarctic margins. The interactions between the ocean and sea ice and ice shelves make the Antarctic cryosphere vulnerable to a warming Southern Ocean. Credit Credit: Jingwei Zhang, taken at Pleneau Island on 9 January 2023. Usage Restrictions Use with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.