Based on the results of postprocessing of minisodar measurements of three wind velocity components and their variances in the lower 200-meter layer of the atmosphere, the diurnal hourly dynamics of the kinetic energy of the atmosphere reduced to unit air mass and its component ETKE (caused by turbulent pulsations of the wind velocity) and EMKE (caused by the mean wind velocity) are analyzed focusing on the turbulent kinetic energy. It is shown that during 24 hour continuous minisodar observations, ETKE was low up to 50 m, increased from 50 to 100 m, and fast increased at higher altitudes. A significant influence of the time of day on the observation results was noted. Thus, at night the kinetic energy did not exceed 20 J/kg and then increased with time from 20 to 50 J/kg. It reached a maximum in the morning. After sunrise, the turbulent kinetic energy quickly decreased, and the system underlying surface – near-surface air layer went into equilibrium. As a consequence, the spread of turbulent kinetic energy values decreased. The most significant changes were observed at altitudes of 100–200 m. The time of day had no significant influence at altitudes of 50–100 m, and the ETKE values were low and remained practically unchanged with time. Irrespective of the time of day, the maximum turbulent kinetic energy was observed at altitudes of 100–200 m, which poses the greatest danger to unmanned aerial vehicles. The corresponding numerical estimations are presented.
Article PDF
Similar content being viewed by others
Explore related subjects
Discover the latest articles, news and stories from top researchers in related subjects.Avoid common mistakes on your manuscript.
References
G. Schlichting, The Theory of the Boundary Layer [Russian translation], Nauka, Moscow (1974).
T. Foken, Micrometeorology, Springer Verlag, Berlin; Heidelberg (2008).
M. A. Haggagy, A Sodar-Based Investigation of the Atmospheric Boundary Layer, Berichte des Meteorologischen Institutes des Universität Freiburg, No. 8, Freiburg (2003).
M. Yu. Kuprikov, Unmanned Aerial Vehicle, Great Russian Encyclopaedia [Electronic resource], https://bigenc.ru/technology_and_technique/text/4087725 (Reference Date: October 1, 2020).
V. A. Banakh and I. N. Smalikho, Coherent Doppler Wind Lidar in a Turbulent Atmosphere [in Russian], Publishing House of the Institute of Atmospheric Optics of the Siberian Branch of the Russian Academy of Sciences, Tomsk (2013).
V. V. Sterlyadkin, A. G. Gorelik, and G. G. Shchukin, in: Abstracts of Lectures. Ser. “III All-Russian Armand Readings: Youth School,” (2013), pp. 24–42.
S. Bradley, Atmospheric Acoustic Remote Sensing, CRC Press, Boca Raton (2008).
R. L. Coulter and M. A. Kallistratova, Meteor. Atmos. Phys., 85, Nos. 1–3, 3–19 (2004).
L. G. Shamanaeva, A. I. Potekaev, N. P. Krasnenko, and O. F. Kapegesheva, Russ. Phys. J., 61, No. 12, 2282–2287 (2018).
M. V. Tarasenkov, N. P. Krasnenko, and L. G. Shamanaeva, Program for Constructing the Altitude-Temporal Distribution of Wind Velocity Components in the Lower Atmosphere from the Data of Acoustic Sounding, RF Certificate of State Registration of Computer Program No. 2016619428, Rospatent, Moscow (2016).
K. H. Underwood and L. G. Shamanaeva, Russ. Phys. J, 53, No. 11, 526–532 (2011).
G. B. Greenhut and G. Mastrantonio, J. Appl. Meteor., 28, 99–106 (1989).
Author information
Authors and Affiliations
Corresponding author
Additional information
Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 8, pp. 16–24, August, 2021.
Rights and permissions
About this article
Cite this article
Potekaev, A.I., Shamanaeva, L.G. & Kulagina, V.V. Diurnal Dynamics of the Kinetic Energy in the Atmospheric Boundary Layer Retrieved from Minisodar Measurements. Russ Phys J 64, 1400–1407 (2021). https://doi.org/10.1007/s11182-021-02471-7
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11182-021-02471-7