Toward a nonlinear theory of katabatic winds
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- Ingel, L.K. Fluid Dyn (2011) 46: 505. doi:10.1134/S0015462811040016
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The classic Prandtl slope flow model is generalized to include nonlinear turbulent friction and rotation. Several general regularities are established. In particular, a universal expression for the mass flux along the slope and a relationship between the surface velocity components, both independent of the friction law, are obtained. The applicability of the model to describing katabatic winds on fairly large horizontal scales is discussed.