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<td colspan="3" valign="middle" bgcolor="#C0E7B4"><p align="center"><span class="style34">Representation of sub-grid-scale eddy and mixed-layer processes</span></p></td> |
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<head> |
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<title>Unresolved process parameterization.</title> |
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<!-- <h1>Representation of sub-grid-scale eddy and mixed-layer processes.</h1> |
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<h4>People</h4> |
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<A href="mailto:dfer@mit.edu"> David Ferreira</A>,<br> |
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<A href="mailto:raffaele@mit.edu"> Raffaele Ferrari</A>,<br> |
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<A href="mailto:baylor@mit.edu"> Baylor Fox-Kemper</A>, <br> |
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<A href="mailto:jmarsh@mit.edu">John Marshall</A> <br> |
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and <A href="mailto:cnh@mit.edu">Chris Hill</A> |
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<h4>Project Description</h4> |
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Eddying solutions from ECCO2 experiments are being used by members of the |
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<a href= |
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"http://www.usclivar.org/Newsletter/VariationsV4N1/ClivarCPT_Emilie.pdf"> |
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Climate Process Team on Eddy Mixed Layer Interactions</a> |
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to diagnose fluxes of heat and buoyancy |
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due to eddy processes in the global oceans. Results (such as |
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the diagnosed eddy heat and temperature transports shown in the figures below) |
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are being compared against observations, theoretical models and against very |
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high-resolution process models. This work is leading to a more complete |
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understanding of the role ocean eddies and mixed-layer processes play in |
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setting the global ocean state. <br> |
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<A href="ZonalMeanEddyFluxes.jpeg" |
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alt="Zonal average of the meridional eddy flux of temperature diagnosed from five years of the ECCO2 1/8th degree, isotropic grid MITgcm simulation."> |
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<img src="ZonalMeanEddyFluxes.jpeg" width=600> |
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</A> |
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Zonal average of the meridional eddy flux of temperature diagnosed from two years of the ECCO2 1/8th degree, isotropic grid |
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MITgcm simulation. |
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<A href="Eddy_HT.jpeg" |
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alt="Vertically and zonally integrated heat flux diagnosed from two years of the ECCO2 1/8th degree, isotropic grid |
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MITgcm simulation."> |
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<img src="Eddy_HT.jpeg" width=600> |
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</A> |
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Vertically and zonally integrated heat flux for the full water column and for the upper 200m. Diagnosed from two years of the ECCO2 1/8th degree, isotropic grid MITgcm simulation. |
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<A href="OHT_May02_Apr04.jpeg" |
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alt="Total poleward heat transport. Diagnosed from two years of the ECCO2 1/8th degree, isotropic grid MITgcm simulation."> |
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<img src="OHT_May02_Apr04.jpeg" width=600> |
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</A> |
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Total poleward heat transport diagnosed from two years of the ECCO2 1/8th degree, isotropic grid MITgcm simulation (red line) and observational estimates with associated errors (black lines). |
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The application of ECCO2 high-resolution solutions can be seen in this <a href="CPT-EMILIE-2006.pdf">climate process team presentation</a> in which eddy transports from the explcitly |
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resolved model are compared against existing and new parameterizations. |
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