Enhanced images and new models of the Wilkes Subglacial Basin help constrain the variability in geological boundary conditions for the East Antarctic Ice Sheet

Alessandro Ghirotto1, Fausto Ferraccioli2, Egidio Armadillo1, Duncan A Young3, Donald D Blankenship3 and Martin J Siegert4, (1)University of Genoa, Genoa, Italy, (2)NERC British Antarctic Survey, Cambridge, United Kingdom, (3)University of Texas, Institute for Geophysics, Austin, TX, United States, (4)Imperial College London, London, United Kingdom