The authors especially wish to thank Marie-Alice Foujols, who ran the IPSL CM4 coupled experiments. Gwendal Riviere and Guillaume Lapeyre are greatly acknowledged for the interesting discussions about our results. The authors are grateful to Gang Chen for his script to compute baroclinic wave spectra. This study was supported by the European Commission’s Sixth Framework Programme (ENSEMBLES Contract GOCE-CT-2005-505539).
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Eddies, defined as departures from the zonal average, normally include stationary and low-wavenumber barotropic waves. In the zonally symmetric setting used here, however, eddies are largely dominated by baroclinic waves and will be referred to as such.