Sea Ice Extent (image) University of Washington Caption The orange line shows the median area the ice covered in late September from 1979 through 2000. The white area indicates the area covered in ice in late September this year. Credit National Snow and Ice Data Center Usage Restrictions None 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.