On the Applicability of Similarity Theory for the Stable Atmospheric Boundary Layer over Complex Terrain

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http://hdl.handle.net/10138/288217

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Barskov , K V , Glazunov , A V , Repina , I A , Stepanenko , V M , Lykossov , V N & Mammarella , I 2018 , ' On the Applicability of Similarity Theory for the Stable Atmospheric Boundary Layer over Complex Terrain ' , Izvestiya. Atmospheric and oceanic physics , vol. 54 , no. 5 , pp. 462-471 . https://doi.org/10.1134/S0001433818050031

Title: On the Applicability of Similarity Theory for the Stable Atmospheric Boundary Layer over Complex Terrain
Author: Barskov, K. V.; Glazunov, A. V.; Repina, I. A.; Stepanenko, V. M.; Lykossov, V. N.; Mammarella, I.
Contributor: University of Helsinki, INAR Physics
Date: 2018-09
Language: eng
Number of pages: 10
Belongs to series: Izvestiya. Atmospheric and oceanic physics
ISSN: 0001-4338
URI: http://hdl.handle.net/10138/288217
Abstract: Micrometeorological measurements in the atmospheric boundary layer over a hilly forest terrain have been made on a meteorological tower at several levels from the forest canopy top to a height that exceeds the height of trees almost seven times. A semiempirical length scale depending on the local topography features and the underlying surface type has been proposed and calculated. This scale has been shown to allow the universal functions of the Monin-Obukhov similarity theory to be corrected for a stable atmospheric boundary layer over complex terrain without substantial modification when compared to the universal functions over a homogeneous surface with small roughness elements. This approach can be used to refine the methods for calculating turbulent momentum fluxes from profile measurements over spatially inhomogeneous landscapes.
Subject: atmospheric boundary layer
complex terrain
stable stratification
Monin-Obukhov similarity theory
universal functions
eddy-covariance measurements
STRATIFIED TURBULENT FLOWS
PLANT CANOPIES
FOREST CANOPY
NUMERICAL-SIMULATION
CARBON-DIOXIDE
SURFACE-LAYER
PINE FOREST
STATISTICS
VEGETATION
SPECTRA
114 Physical sciences
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