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17 October 2023 Scales of spatial correlation of longitudinal wind speed in a stratified atmosphere
Victor V. Nosov, Vladimir P. Lukin, Evgeny V. Nosov, Andrey V. Torgaev
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Proceedings Volume 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 127800H (2023) https://doi.org/10.1117/12.2688696
Event: XXIX International Symposium "Atmospheric and Ocean Optics, Atmospheric Physics", 2023, Moscow, Russian Federation
Abstract
In the conditions of the Sayan Mountain Solar Observatory and the urban environment of Tomsk, long–term observations of the main characteristics of the turbulent atmosphere in the Monin-Obukhov similarity theory were carried out using the AMK-03-4 ultrasonic station. The paper presents the results of measurements of the spatial correlation of fluctuations of the surface longitudinal wind velocity in a thermally stratified turbulent atmosphere. It is shown that during the transition from unstable to stable stratification, on average, the spatial correlation of longitudinal wind fluctuations in the surface atmosphere increases (the average scales in instability are about 14 m, in neutrality – about 40 m, and in stability – about 32 m).
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Victor V. Nosov, Vladimir P. Lukin, Evgeny V. Nosov, and Andrey V. Torgaev "Scales of spatial correlation of longitudinal wind speed in a stratified atmosphere", Proc. SPIE 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 127800H (17 October 2023); https://doi.org/10.1117/12.2688696
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KEYWORDS
Wind speed
Correlation coefficients
Correlation function
Turbulence
Atmospheric optics
Ultrasonics
Wind measurement
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