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Atmospheric and Oceanic Optics

2013 year, number 3

Accuracy of estimation of the turbulent energy dissipation rate from wind measurements by a pulsed coherent Doppler lidar at conical scanning by the probing beam. Part II. Numerical and atmospheric experiments

I.N. Smalikho, V.A. Banakh, Y.L. Pichugina, W.A. Brewer
Keywords: coherent lidar, conical scanning, wind turbulence

Abstract

Feasibility of measurement of the turbulent energy dissipation rate with a pulsed coherent Doppler lidar (PCDL) at conical scanning by the probing beam has been investigated, using numerical simulation with consideration of the averaging of radial velocity over the sensing volume and the error of radial velocity estimation. Error of the lidar estimate of the dissipation rate versus number of full scans and signal-to-noise ratio has been calculated. Results of msimultaneous measurements of the dissipation rate with sonic anemometers and 2-µm PCDL have been analyzed.