West Antarctic Ice Core Barrel at the Site (image) National Science Foundation Share Print E-Mail Caption A West Antarctic Ice Sheet Divide ice core barrel is shown. Cores show past air temperatures. Credit Thomas Bauska, OSU Usage Restrictions None 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.