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The Cryosphere An interactive open-access journal of the European Geosciences Union
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Short summary
The high disagreement between observations of Arctic sea ice inhibits the evaluation of climate models with observations. We develop a tool that translates the simulated Arctic Ocean state into what a satellite could observe from space in the form of brightness temperatures, a measure for the radiation emitted by the surface. We find that the simulated brightness temperatures compare well with the observed brightness temperatures. This tool brings a new perspective for climate model evaluation.
TC | Articles | Volume 14, issue 7
The Cryosphere, 14, 2387–2407, 2020
https://doi.org/10.5194/tc-14-2387-2020
The Cryosphere, 14, 2387–2407, 2020
https://doi.org/10.5194/tc-14-2387-2020

Research article 23 Jul 2020

Research article | 23 Jul 2020

The Arctic Ocean Observation Operator for 6.9 GHz (ARC3O) – Part 2: Development and evaluation

Clara Burgard et al.

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The Arctic Ocean Observation Operator for 6.9 GHz (ARC3O) – Part 1: How to obtain sea ice brightness temperatures at 6.9 GHz from climate model output
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Cited articles

Andersson, E., Pailleux, J., Thépaut, J.-N., Eyre, J., McNally, A., Kelly, G., and Courtier, P.: Use of cloud-cleared radiances in three/four-dimensional variational data assimilation, Q. J. Roy. Meteor. Soc., 120, 627–653, https://doi.org/10.1002/qj.49712051707, 1994. a
Balmaseda, M., Mogensen, K., and Weaver, A.: Evaluation of the ECMWF ocean reanalysis system ORAS4, Q. J. Roy. Meteor. Soc., 139, 1132–1161, https://doi.org/10.1002/qj.2063, 2013. a
Barber, D., Fung, A., Grenfell, T., Nghiem, S., Onstott, R., Lytle, V., Perovich, D., and Gow, A.: The role of snow on microwave emission and scattering over first-year sea ice, IEEE T. Geosci. Remote, 36, 1750–1763, https://doi.org/10.1109/36.718643, 1998. a
Boisvert, L., Webster, M., Petty, A., Markus, T., Bromwich, D., and Cullather, R.: Intercomparison of Precipitation Estimates over the Arctic Ocean and Its Peripheral Seas from Reanalyses, J. Climate, 31, 8441–8462, https://doi.org/10.1175/JCLI-D-18-0125.1, 2018. a
Publications Copernicus
Short summary
The high disagreement between observations of Arctic sea ice inhibits the evaluation of climate models with observations. We develop a tool that translates the simulated Arctic Ocean state into what a satellite could observe from space in the form of brightness temperatures, a measure for the radiation emitted by the surface. We find that the simulated brightness temperatures compare well with the observed brightness temperatures. This tool brings a new perspective for climate model evaluation.
Citation