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Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
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Volume 9, issue 10
Geosci. Model Dev., 9, 3655–3670, 2016
https://doi.org/10.5194/gmd-9-3655-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Nucleus for European Modelling of the Ocean - NEMO

Geosci. Model Dev., 9, 3655–3670, 2016
https://doi.org/10.5194/gmd-9-3655-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Model description paper 13 Oct 2016

Model description paper | 13 Oct 2016

The impact of resolving the Rossby radius at mid-latitudes in the ocean: results from a high-resolution version of the Met Office GC2 coupled model

Helene T. Hewitt et al.

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Allison, L. C., Johnson, H. L., and Marshall, D. P.: Spin-up and adjustment of the Antarctic Circumpolar Current and global pycnocline, J. Mar. Res., 69, 167–189, 2011.
Banks, H. T. and Gregory, J. M.: Mechanisms of ocean heat uptake in a coupled climate model and the implications for tracer based predictions of ocean heat uptake, Geophys. Res. Lett., 33, L076208, https://doi.org/10.1029/2005GL025352, 2006.
Banks, H. T., Stark, S., and Keen, A. B.: The adjustment of the coupled climate model HadGEM1 towards equilibrium and the impact on global climate, J. Climate, 20, 5815–5826, 2007.
Behrens, E.: The oceanic response to Greenland melting: the effect of increasing model resolution, PhD thesis, University of Kiel, Germany, 2013.
Best, M. J., Pryor, M., Clark, D. B., Rooney, G. G., Essery, R. L. H., Ménard, C. B., Edwards, J. M., Hendry, M. A., Porson, A., Gedney, N., Mercado, L. M., Sitch, S., Blyth, E., Boucher, O., Cox, P. M., Grimmond, C. S. B., and Harding, R. J.: The Joint UK Land Environment Simulator (JULES), model description – Part 1: Energy and water fluxes, Geosci. Model Dev., 4, 677–699, https://doi.org/10.5194/gmd-4-677-2011, 2011.
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We examine the impact in a coupled model of increasing atmosphere and ocean horizontal resolution and the frequency of coupling between the atmosphere and ocean. We demonstrate that increasing the ocean resolution from 1/4 degree to 1/12 degree has a major impact on ocean circulation and global heat transports. The results add to the body of evidence suggesting that ocean resolution is an important consideration when developing coupled models for weather and climate applications.
We examine the impact in a coupled model of increasing atmosphere and ocean horizontal...
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