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Atmospheric and Oceanic Optics

2018 year, number 10

Measurements of wind turbulence parameters by a Windcube 200s lidar in the atmospheric boundary layer

A. Stephan1, N. Wildmann1, I.N. Smalikho2
1Institute of Atmospheric Physics of the German Aerospace Center, 82234, Oberpfaffenhofen, Wessling, MГјnchener StraГџe 20, Germany
2V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634055, Russia
Keywords: когерентный доплеровский лидар, ветровая турбулентность, coherent Doppler lidar, wind turbulence


A method is proposed for determining the parameters of wind turbulence from data measured by a conically scanning pulsed coherent Doppler lidar in conditions of a weak echo signal. The results of spatiotemporal visualization of the kinetic energy of turbulence, its dissipation rate, and integral scale of turbulence from measurements by the Windcube 200s lidar in the atmospheric boundary layer are presented. It is shown that the applied lidar data filtering procedure allows acceptable results with a nonzero probability of a bad estimate of the radial velocity.