Operation of the turbulent lidar in urban conditions

Igor A. Razenkov

doi:10.1117/12.2690395

17 October 2023 Operation of the turbulent lidar in urban conditions

Igor A. Razenkov

Proceedings Volume 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 127802U (2023) https://doi.org/10.1117/12.2690395
Event: XXIX International Symposium "Atmospheric and Ocean Optics, Atmospheric Physics", 2023, Moscow, Russian Federation

Abstract

An preliminary experiment of lidar sensing of the intensity of optical turbulence was performed in Tomsk city. The work was done using a micro pulsed UV turbulent lidar BSE-5, operating by the backscattering enhancement effect, which made it possible to evaluate the structural characteristic of the refractive index C_n². The lidar was located in the Institute building on the eastern outskirts of Tomsk. In winter time the sounding path was either horizontal or had a slight slope, and crossed the city in a north-west direction. Several series of measurements were carried out. Meteorological support included measuring wind speed and temperature at two levels. The experiment made it possible to localize intense turbulent zones over the city and explain the increase in the intensity of turbulence at night. Another part of the experiment with scanning over the city was in summer time to study the spatial-temporal transformation of the intensity of turbulence in the surface layer of the atmosphere. The local increase in the intensity of turbulence over industrial facilities is due to the turbulent removal of heat generated by the city.

Citation Download Citation

Igor A. Razenkov "Operation of the turbulent lidar in urban conditions", Proc. SPIE 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 127802U (17 October 2023); https://doi.org/10.1117/12.2690395

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