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The development of a dry inversion-capped convectively unstable boundary layer

✍ Scribed by D. J. Carson

Publisher
John Wiley and Sons
Year
1973
Tongue
English
Weight
901 KB
Volume
99
Category
Article
ISSN
0035-9009

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✦ Synopsis

Abstract

A model is proposed for the development of a dry convectively unstable boundary layer capped by a stable layer; included are the effects of time‐dependent surface heating, the stability of the capping layer, subsidence and any degree of turbulent interfacial mixing. A differential equation describing the evolution indicates quantitatively the relative importance of each factor and, in particular, indicates the importance of the entrainment process. The model is applied to the 1953 O'Neill boundary layer data in an attempt to assess to what degree interfacial mixing is realized in the atmosphere. Realistic boundary layer developments are obtained.

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✍ Eberhard Schaller; Helmut Kraus πŸ“‚ Article πŸ“… 1981 πŸ› Springer 🌐 English βš– 703 KB

In an inversion-capped planetary boundary layer (PBL), the structure of the turbulent fluxes as well as the height of the inversion are determined by the interaction of turbulent mixing in the PBL, large-scale subsidence above the PBL and radiational cooling. Here the sensitivity of the inversion he