A Greenland Ice Canyon (IMAGE) U.S. National Science Foundation Caption This is a Greenland ice canyon filled with meltwater in summer 2010. Credit Ian Joughin, University of Washington APL Polar Science Center Usage Restrictions None License Licensed 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.