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

ScholarsArchive at Oregon State University

Field Value
Title The Consistent Parameterization of the Effects of Cumulus Clouds on the Large-Scale Momentum and Vorticity Fields
Names Esbensen, Steven K. (creator)
Shapiro, Lloyd J. (creator)
Tollerud, Edward I. (creator)
Date Issued 1987-03 (iso8601)
Abstract 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.
Genre Article
Topic Cumulus clouds
Identifier 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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