Turbulence Characteristics Of A Stable Boundary
Layer Over Sloping Terrain

D. Cava; U. Giostra; F. Trombetti; M. Tagliazucca

doi:10.2495/AIR970091

Turbulence Characteristics Of A Stable Boundary Layer Over Sloping Terrain

Price

Free (open access)

Transaction

WIT Transactions on Ecology and the Environment

Volume

Pages

Published

1997

Size

918 kb

Paper DOI

10.2495/AIR970091

WIT Press

Author(s)

D. Cava, U. Giostra, F. Trombetti & M. Tagliazucca

Abstract

During the austral summer 1993-94 turbulence data have been taken in a coastal region of Antarctica over a gently sloping surface. The objective of this study is to determine how the turbulent structure of the stable boundary layer is perturbed by slope and waves. Spectral analysis of wind velocity components evidences the production of energy, prevalently in the mid frequency subrange, by local orographic forcing. The power contribute of waves is highly variable as single or multiple waves of different amplitudes are observed. A criterion, based on the shear stress correlation coefficient, to distinguish turbulent flows from the ones af

Keywords

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Code

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