Thwaites Grounding Line (IMAGE) Georgia Institute of Technology Caption The first-ever images have been taken of the grounding zone of Thwaites Glacier in Antarctica. The grounding line just behind it is an integral factor in the glacier's stability or lack thereof. It is tied to the fate of global sea-levels. At top, the glacier, at bottom, the seafloor. Credit International Thwaites Glacier Collaboration / Georgia Tech-Schmidt lab 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.