Jakobshavn Isbræ in 2012 (VIDEO) University of Colorado at Boulder This video is under embargo. Please login to access this video. Caption Detailed observations of Greenland's Jakobshavn Isbræ help explain dynamic tidewater glacier speedup and slowdown: https://cires.colorado.edu/news/quirk... (URL to publish 11:30am MST) Credit Ryan Cassotto, CIRES/CU Boulder Usage Restrictions please credit Ryan as shown 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.