Articles | Volume 9, issue 7
https://doi.org/10.5194/gmd-9-2407-2016
https://doi.org/10.5194/gmd-9-2407-2016
Methods for assessment of models
 | 
20 Jul 2016
Methods for assessment of models |  | 20 Jul 2016

A new test statistic for climate models that includes field and spatial dependencies using Gaussian Markov random fields

Alvaro Nosedal-Sanchez, Charles S. Jackson, and Gabriel Huerta

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Cited articles

Adler, R. F., Huffman, G. J., Chang, A., Ferraro, R., Xie, P.-P., Janowiak, J., Rudolf, B., Schneider, U., Curtis, S., Bolvin, D., Gruber, A., Susskind, J., Arkin, P., and Nelkin, E.: The Version-2 Global Precipitation Climatology Project (GPCP) Monthly Precipitation Analysis (1979–Present), J. Hydrometeorol., 1147–1167, https://doi.org/10.1175/1525-7541(2003)004<1147:TVGPCP>2.0.CO;2, 2009.
Braverman, A., Cressie, N., and Teixeira, J.: A likelihood-based comparison of temporal models for physical processes, Statistical Analysis and Data Mining, 4, 247–258, 2011.
Collins, W. D., Rasch, P. J., Boville, B. A., Hack, J. J., McCaa, J. R., Williamson, D. L., and Briegleb, B. P.: The formulation and atmospheric simulation of the Community Atmosphere Model version 3 (CAM3), J. Climate, 19, 2144–2161, 2006.
Cressie, N. and Wikle, C. K.: Statistics for Spatio-Temporal Data, Wiley, Hoboken, NJ, 2011.
Gleckler, P. J., Taylor, K. E., and Doutriaux, C.: Performance metrics for climate models, J. Geophys. Res.-Atmos., 113, 1–20, 2008.
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Short summary
We have developed a new metric for climate model evaluation that quantifies the significance of modeling errors across multiple fields. Our approach dramatically reduces the amount of data that is required to evaluate field and space dependencies and increases the community's potential to make use of the extremely valuable but limited satellite observational record. Our objective is to improve the strategies that currently exist for more formal data-driven model development.