Sea Ice in Antarctica (IMAGE) University of Pennsylvania Caption As global warming increases precipitation in the Weddell Sea, sea-ice patterns are changing and a deep sea current is shrinking. Credit University of Pennsylvania Usage Restrictions in context of reporting License Licensed 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.