Based on post-processing of diurnal hourly measurements of three wind velocity components and their variances with an AV4000 minisodar in the lower 200-meter layer of the atmosphere, statistical analysis of the turbulent, ETКE, and average, EMКE, kinetic wind energy components has been performed. It was shown that for the diurnal period of continuous minisodar observations, the turbulent kinetic energy component in the ground atmospheric layer to altitudes of ~50 m was low. At altitudes in the range from 50 to 100 m, the turbulent kinetic energy ETКE increased, at altitudes exceeding 100 m, its growth rate intensified, and the maximum ETКE values were observed at altitudes of 150–200 m. It was established that the results of observations influenced significantly by time of the day. However, at any time, the maximum turbulent energy was localized at altitudes of ~100–200 m, which posed the greatest danger to light small-sized unmanned vehicles. The approach to revealing times and altitudes of maximum and minimum kinetic wind energy values from the minisodar data, that is, the most and least favorable time and altitude range for flights of light small-sized unmanned aerial vehicles has been proposed, and its efficiency has been illustrated.
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Potekaev, A.I., Shamanaeva, L.G. & Krasnenko, N.P. Spatiotemporal Dynamics of the Average and Turbulent Components of the Kinetic Wind Energy in the Lower Atmosphere from Minisodar Data. Russ Phys J 65, 2238–2244 (2023). https://doi.org/10.1007/s11182-023-02896-2
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DOI: https://doi.org/10.1007/s11182-023-02896-2