Abstract

A simple parameterization for the estimation of turbulent kinetic energy (TKE) and momentum flux profiles under near-neutral stratification based on sodar measurements of the vertical velocity variance has been tested using data from the LINEX-2000 experiment. Measurements included operation of a phased-array Doppler sodar DSDPA.90 and of a sonic anemometer USA-1 mounted at a meteorological tower at a height of 90 m. Good agreement has been found between the TKE and momentum flux values derived from the sonic and sodar data (with correlation coefficients r > 0.90 and a slope of the regression lines of about 1.0 … 1.1) suggesting the possible use of sodar measurements of σ w 2 to derive turbulence parameter profiles above the tower range.

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