Resistance Laws and Prediction Equations for the Depth of the Planetary Boundary Layer

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Abstract
A further discussion of the resistance laws for barotropic planetary boundary layers is presented. Concrete expressions are obtained for universal functions A(μ0), B(μ0) C(μ0)of Rossby number similarity theory for the Ekman boundary layer as well as of analogous functions for non-steady boundary layers. Prediction equations are proposed, which describe variations of the boundary layer depth for unstable and stable stratifications.