Petermann Glacier (1 of 2) (image) University of Delaware Share Print E-Mail Caption Petermann Glacier connects the Greenland ice sheet to the Arctic Ocean. The vast flat expanse stretching into the background is Petermann Glacier, well over one-third of which has now broken off. Credit Photo courtesy of professor Andreas Muenchow, University of Delaware 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.