Icebergs as seen from a boat in Ilulissat Icefjord.         Photo by Mark Carey.                                       Over the last four decades, warming climate and ocean temperatures have rapidly altered the Greenland Ice Sheet, creating concern for marine ecosystems and weather patterns worldwide. The environment has challenged scientists in their attempts to measure how water moves around read more UMaine researchers use GPS-tracked icebergs in novel study to improve climate models – K. Schild, S. Baratta et al.