Urban characteristics of the Monin-Obukhov similarity theory in the surface anisotropic layer of the atmosphere

V. V. Nosov; V. P. Lukin; E. V. Nosov; A. V. Torgaev

doi:10.1117/12.2599568

12 September 2021 Urban characteristics of the Monin-Obukhov similarity theory in the surface anisotropic layer of the atmosphere

V. V. Nosov, V. P. Lukin, E. V. Nosov, A. V. Torgaev

Author Affiliations +

Proceedings Volume 11860, Environmental Effects on Light Propagation and Adaptive Systems IV; 1186004 (2021) https://doi.org/10.1117/12.2599568
Event: SPIE Remote Sensing, 2021, Online Only

Abstract

Long-term observations of the main characteristics of the turbulent atmosphere in the Monin – Obukhov similarity theory were carried out in the urban environment of the Tomsk Academgorodok. A mobile ultrasonic station AMK-03-4, developed to measure the characteristics of turbulent meteorological fields, was used for the measurements. The data obtained in the urban environment are compared with the data of long-term observations in mountainous terrain, in different climatic and geographical regions. Under urban conditions, data were obtained for the turbulent scales of velocity V* (friction velocity) and temperature (friction velocity) and temperature T*, which are important characteristics of the Monin-Obukhov similarity theory. The range of experimentally observed Monin-Obukhov numbers in the positive region, where previously there were no experimental data, has been significantly expanded. The main results of this work include the experimental confirmation of the positions of the similarity theory in the urban atmospheric boundary layer.

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Citation Download Citation

V. V. Nosov, V. P. Lukin, E. V. Nosov, and A. V. Torgaev "Urban characteristics of the Monin-Obukhov similarity theory in the surface anisotropic layer of the atmosphere", Proc. SPIE 11860, Environmental Effects on Light Propagation and Adaptive Systems IV, 1186004 (12 September 2021); https://doi.org/10.1117/12.2599568

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