Meltwater Channels (image) University of Texas at Austin Share Print E-Mail Caption Meltwater carves channels in the Greenland Ice Sheet before draining into moulins, deep conduits that carry meltwater to the bottom of the ice sheet. Pictured are Matthew Hoffman of Los Alamos National Laboratory and Blaine Morriss of Dartmouth College. Credit Lauren Andrews Usage Restrictions Photo credit required 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.