Antarctic Sea Ice Concentrations (image) University of Washington Share Print E-Mail Caption The percent of ocean surface covered with sea ice in 2016 was lower than usual (brown) over many parts of the Southern Ocean. The black line shows the edge of the region with at least 15 percent ice cover. Credit Malte Stuecker/University of Washington Usage Restrictions With credit Share Print E-Mail 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.