Articles | Volume 12, issue 3
Methods for assessment of models
22 Mar 2019
Methods for assessment of models |  | 22 Mar 2019

LIVVkit 2.1: automated and extensible ice sheet model validation

Katherine J. Evans, Joseph H. Kennedy, Dan Lu, Mary M. Forrester, Stephen Price, Jeremy Fyke, Andrew R. Bennett, Matthew J. Hoffman, Irina Tezaur, Charles S. Zender, and Miren Vizcaíno

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Cited articles

Aschwanden, A., Fahnestock, M. A., and Truffer, M.: Complex Greenland outlet glacier flow captured, Nat. Commun., 7, 10524,, 2016. a
Bales, R. C., McConnell, J. R., Mosley-Thompson, E., and Csatho, B.: Accumulation over the Greenland ice sheet from historical and recent records, J. Geophys. Res., 106, 33813–33825, 2001. a, b
Bales, R. C., Guo, Q., McConnell, J. R., Du, G., Burkhart, J., Spikes, V., Hanna, E., and Cappelen, J.: Annual accumulation for Greenland updated using ice core data developed during 2000–2006 and analysis of daily coastal meteorological data, J. Geophys. Res., 114, D06116,, 2009. a, b
Barbi, D., Lohmann, G., Grosfeld, K., and Thoma, M.: Ice sheet dynamics within an earth system model: downscaling, coupling and first results, Geosci. Model Dev., 7, 2003–2013,, 2014. a
Barton, N. P., Klein, S. A., Boyle, J. S., and Zhang, Y. Y.: Arctic synoptic regimes: Comparing domain-wide Arctic cloud observations with CAM4 and CAM5 during similar dynamics, J. Geophys. Res., 117, D15205,, 2012. a
Short summary
A robust validation of ice sheet models is presented using LIVVkit, version 2.1. It targets ice sheet and coupled Earth system models, and handles datasets and operations that require high-performance computing and storage. We apply LIVVkit to a Greenland ice sheet simulation to show the degree to which it captures the surface mass balance. LIVVkit identifies a positive bias due to insufficient melting compared to observations that is focused largely around Greenland's southwest region.