Impact of improved Greenland ice sheet surface representation in the NASA GISS ModelE2 GCM on simulated surface mass balance and regional climate

Patrick M Alexander1,2, Allegra N. LeGrande3, Elizabeth Fischer4, Marco Tedesco1,2, Maxwell Kelley1, Gavin A Schmidt1 and Xavier Fettweis5, (1)NASA Goddard Institute for Space Studies, New York, United States, (2)Lamont-Doherty Earth Observatory, Palisades, NY, United States, (3)NASA Goddard Institute for Space Studies, New York, NY, United States, (4)Columbia University, Center for Climate Systems Research, New York, NY, United States, (5)University of Liège, Département de Géographie, Liège, Belgium