Crevasse finding map (IMAGE) Durham University Caption Using the newly developed method, researchers extracted crevasses from digital elevation models of the ice sheet surface. The maps show how crevasse changed between 2016 and 2021 over glaciers at the head of Anorituup Kangerlua fjord, Greenland. Credit Tom Chudley (Durham University) Usage Restrictions For use with this media release License Original content 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.