Structure and form of grounding lines of modern ice sheets

Kirsty J Tinto, Columbia University, Lamont-Doherty Earth Observatory, Palisades, United States, Robin Elizabeth Bell, Lamont-Doherty Earth Observatory of Columbia University, Palisades, United States, James R. Cochran, Lamont -Doherty Earth Observatory, Palisades, NY, United States, Alexandra Boghosian, LDEO of Columbia University, Palisades, United States and David Felton Porter, Columbia University, Lamont-Doherty Earth Observatory, Palisades, NY, United States