Articles | Volume 10, issue 1
https://doi.org/10.5194/gmd-10-255-2017
https://doi.org/10.5194/gmd-10-255-2017
Methods for assessment of models
 | 
17 Jan 2017
Methods for assessment of models |  | 17 Jan 2017

An ice sheet model validation framework for the Greenland ice sheet

Stephen F. Price, Matthew J. Hoffman, Jennifer A. Bonin, Ian M. Howat, Thomas Neumann, Jack Saba, Irina Tezaur, Jeffrey Guerber, Don P. Chambers, Katherine J. Evans, Joseph H. Kennedy, Jan Lenaerts, William H. Lipscomb, Mauro Perego, Andrew G. Salinger, Raymond S. Tuminaro, Michiel R. van den Broeke, and Sophie M. J. Nowicki

Data sets

Raw ICESat data National Snow and Ice Data Center http://nsidc.org/data/icesat/data.html

Raw GRACE data Physical Oceanography Distributed Active Archive Center (PO.DAAC) http://podaac.jpl.nasa.gov/datasetlist?search=GRACE

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Short summary
We introduce the Cryospheric Model Comparison Tool (CmCt) and propose qualitative and quantitative metrics for evaluating ice sheet model simulations against observations. Greenland simulations using the Community Ice Sheet Model are compared to gravimetry and altimetry observations from 2003 to 2013. We show that the CmCt can be used to score simulations of increasing complexity relative to observations of dynamic change in Greenland over the past decade.