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The Consistent Parameterization of the Effects of Cumulus Clouds on the Large-Scale Momentum and Vorticity Fields Public Deposited

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  • A physical and mathematical framework for the mutually consistent parameterization of the effects of cumulus convection on the large-scale momentum and vorticity fields is proposed. The key to achieving consistency is the understanding that the vorticity dynamics of the clouds below the spatial resolution of a large-scale dynamical model may be neglected in the vorticity budget when the clouds are considered to be independent buoyant elements sharing a common large-scale environment This simplified approach is used to obtain a consistent pair of large-scale momentum and vorticity equations based on Ooyama's theory of cumulus parameterization. The results focus attention on the need to obtain a better understanding of the detrainment process and the pressure interactions between the clouds and their environment.
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  • Esbensen, Steven K., Lloyd J. Shapiro, Edward I. Tollerud, 1987: The Consistent Parameterization of the Effects of Cumulus Clouds on the Large-Scale Momentum and Vorticity Fields. Monthly Weather Review, 115(3), 664–669.
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  • The work was supported in part by the National Science Foundation under Grant ATM-8414820 and under NOAA Assignment Agreement NA-85-WC-P-06125l.
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  • description.provenance : Submitted by Deborah Campbell (deborah.campbell@oregonstate.edu) on 2011-12-05T21:53:07Z No. of bitstreams: 1 EsbensenStevenK.CEOAS.TheConsistentParameterization.pdf: 550391 bytes, checksum: abe0194d8ff04665fec43968416d686c (MD5)
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