Icebridge (IMAGE) American Geophysical Union Caption Paul Claus with Operation IceBridge Alaska flies a lidar survey over the crevassed Tana Glacier in Southcentral Alaska. A new study finds Alaska's melting glaciers are adding enough water to the Earth's oceans to cover the state of Alaska with a 1-foot thick layer of water every seven years. Credit Chris Larsen 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.