Emily Schwans, Pennsylvania State University Main Campus, University Park, PA, United States, Byron R Parizek, Pennsylvania State University, University Park, PA, United States, Richard B Alley, Pennsylvania State University, Geosciences, University Park, PA, United States, Mathieu Morlighem, University of California - Irvine, Irvine, CA, United States, Pierre St-Laurent, Old Dominion University, Center for Coastal Physical Oceanography, Norfolk, VA, United States, Ryan T Walker, University of Maryland, Greenbelt, MD, United States and The GHOST Team of the International Thwaites Glacier Collaboration