Abstract
We present similarity solutions for the mean boundary-layer profiles under an axisymmetric vortex that is in gradient wind balance; the similarity model includes the nonlinear momentum advection and curvature terms. These solutions are a generalization of the Ekman layer mean flow, which is the canonical boundary-layer basic state under a uniform, geostrophically-balanced flow. Near-surface properties such as inflow angle, surface wind factor, diffusive transport of kinetic energy into the surface layer and dissipational heating are calculated and shown to be sensitive to the choice of turbulence parameterization.
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Foster, R.C. Boundary-Layer Similarity Under an Axisymmetric, Gradient Wind Vortex. Boundary-Layer Meteorol 131, 321–344 (2009). https://doi.org/10.1007/s10546-009-9379-1
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DOI: https://doi.org/10.1007/s10546-009-9379-1