Performance metrics for climate models
Peter J. Gleckler, Karl E. Taylor, Charles Doutriaux
2008 · Journal of Geophysical Research Atmospheres · 1,374 citations
Objective measures of climate model performance are proposed and used to assess simulations of the 20th century, which are available from the Coupled Model Intercomparison Project (CMIP3) archive. The primary focus of this analysis is on the climatology of atmospheric fields. For each variable considered, the models are ranked according to a measure of relative error. Based on an average of the relative errors over all fields considered, some models appear to perform substantially better than others. Forming a single index of model performance, however, can be misleading in that it hides a mo…
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