Marine ice sheets (IMAGE) University of Barcelona Caption Today, much of the glaciers in Greenland and Antarctica have a marine base that shows signs of melting and destabilisation. Credit Rafel Simó (ICM-CSIC) Usage Restrictions Credit must be given to the creator. License CC BY 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.