Turbulent Flow In Two and Three Dimensions
- 1 January 1978
- journal article
- Published by American Meteorological Society in Bulletin of the American Meteorological Society
- Vol. 59 (1) , 22-28
- https://doi.org/10.1175/1520-0477(1978)059<0022:tfitat>2.0.co;2
Abstract
Three-dimensional turbulence occurs mainly in convective clouds and in the atmospheric boundary layer. Two-dimensional turbulence is a model for the statistical features of large-scale flows in the atmosphere. The differences between two- and three-dimensional turbulence are discussed, with a minimum of mathematics, in terms of elementary vorticity dynamics. The influence of the microstructure on the evolution of the large-scale features of the flow field is explored in some detail. A simple rationale is given for ignoring subgrid scale fluxes in numerical weather prediction.Keywords
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