Jakobshavn Iceberg (IMAGE) University of Colorado at Boulder Caption An iceberg calved in the the Jakobshavn fjord in 2005. The Jakobshavn Glacier has sped up two-fold in the last decade as the result of melt water lubricating the glacier bed. Credit Konrad Steffen, University of Colorado at Boulder 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.