Sensitivity of an Antarctic Ice Sheet Model to Sub-Ice-Shelf Melting

William H Lipscomb1, Gunter Leguy2, Nathan M Urban3 and Mira Berdahl3, (1)National Center for Atmospheric Research, Climate and Global Dynamics Laboratory, Boulder, United States, (2)National Center for Atmospheric Research, Boulder, CO, United States, (3)Los Alamos National Laboratory, Los Alamos, NM, United States