2013 LIWG Workshop Presentations Present-day and future surface mass balance of the Antarctic Ice Sheet Jan Lenaerts, Miren Vizcaino, Michiel van den Broek Individual and regional glacier and ice cap surface mass balance and runoff modeling for the Northern Hemisphere Sebastian Mernild Impacts of errors in Greenland surface mass balance on sea level rise predictions Gail Gutowski, Charles Jackson An approach to data analysis and modeling of the Bering Glacier Surge Thomas Trantow An enthalpy-based temperature solver and drainage model for CISM Brian Macpherson, Harihar Rajaram Fast ice movement and relevance for modeling Ute Herzfeld A finite element based approach to computing balance velocities with application to Greenland mass balane Jesse Johnson A new finite element ice sheet dycore built for advanced analysis A. Salinger, I. Kalashnikova, M. Perego, R. Tuminaro, M. Eldered, J. Jakeman LIVV kit for robust evaluation of the Community Ice Sheet Model Kate Evans Updates on CISM2 - CESM coupling Bill Sacks, NCAR-CGD Updates from absent LIWG members Stephen Price