Vertical profiles of atmospheric turbulence characteristics, including spatial and temporal longitudinal and transverse velocity structure functions, velocity structure characteristics, and turbulent kinetic energy dissipation rates retrieved from time series of vertical profiles of the wind velocity vector measured with a minisodar operating at a frequency of 4900 Hz are presented. It is established that the structure functions first increase with the separation distance between the observation points and then are saturated; moreover, the longitudinal structure function is much greater than the transverse one, which is in agreement with the data available from the literature. The velocity structure characteristic is well described by the z−2/3 altitude dependence predicted theoretically. Calculated values of the turbulent energy dissipation rate are in agreement with the data available from the literature.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 5, pp. 85–90, May, 2010.
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Underwood, K.H., Shamanaeva, L.G. Turbulence characteristics from minisodar data. Russ Phys J 53, 526–532 (2010). https://doi.org/10.1007/s11182-010-9453-7
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DOI: https://doi.org/10.1007/s11182-010-9453-7