Changing summer basal traction of the Greenland Ice Sheet at high temporal resolution using inversion of GPS-derived surface speed

Matthew J Hoffman1, Mauro Perego2, Lauren C Andrews3, Tom Neumann4 and Stephen F Price1, (1)Los Alamos National Laboratory, Fluid Dynamics and Solid Mechanics, Los Alamos, NM, United States, (2)Sandia National Laboratories, Albuquerque, United States, (3)NASA Goddard Space Flight Center, Global Modeling & Assimilation Office, Greenbelt, MD, United States, (4)NASA Goddard Space Flight Ctr., Greenbelt, United States
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