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Using a simple parameterization, an idealised low resolution (biharmonic viscosity coefficient of 5 × 1012 m4s−1, 128 × 128 grid) primitive equation baroclinic ocean gyre model is optimised to have a much more accurate climatological mean, variance and response to forcing, in all model variables, with respect to a high resolution (biharmonic viscosity coefficient of 8 × 1010 m4s−1, 512 × 512 grid)...
We demonstrate a simple method to quickly spin up (equilibrate) the temperature field of a turbulent idealised primitive equation ocean gyre model. We make use of the assumption that both velocity fields and non-linear eddy advection terms equilibrate on a shorter timescale than tracer fields.
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