A team of researchers led by Jamin Greenbaum of the University of Texas at Austin has discovered two seafloor troughs that could allow warm ocean water to reach the base of Totten Glacier, East Antarctica’s largest and most rapidly thinning glacier. The discovery probably explains the glacier’s extreme thinning and raises concerns about how it will affect sea level rise. The Totten Glacier catchment, outlined in blue, is a collection basin for...
