Analysis of the efficiency of methods for retrieval of vertical profile of atmospheric temperature from molecular scattering at the main lidar of the Siberian lidar station

S. M. Bobrovnikov; V. I. Zharkov; A. I. Nadeev; D. A. Trifonov

doi:10.1117/12.2616676

2 December 2021 Analysis of the efficiency of methods for retrieval of vertical profile of atmospheric temperature from molecular scattering at the main lidar of the Siberian lidar station

S. M. Bobrovnikov, V. I. Zharkov, A. I. Nadeev, D. A. Trifonov

Author Affiliations +

Proceedings Volume 12086, XV International Conference on Pulsed Lasers and Laser Applications; 1208612 (2021) https://doi.org/10.1117/12.2616676
Event: XV International Conference on Pulsed Lasers and Laser Applications, 2021, Tomsk, Russian Federation

Abstract

The paper considers the equipment and methodology for remote determination of the vertical distribution of atmospheric temperature up to altitudes of 90 km. The technique is based on the lidar measurements of the vertical profile of the molecular density of the atmosphere using the Rayleigh scattering effect. The results obtained on the modernized Rayleigh scattering channel of the lidar based on the main mirror of the Siberian lidar station with a diameter of 2.2 m are discussed. A two-stage procedure for the remote estimation of temperature by molecular backscattering is proposed, which makes it possible to estimate the temperature both in a free atmosphere and in a cuvette in which the relationship between the temperature and pressure does not fit into the barometric model. Calculations have shown that the accuracy of the temperature profile retrieval depends on the choice of the calibration point and its error. The calculation of the profile by formula, when the calibration point is chosen at the upper part of the sounding path, has greater stability and accuracy compared to calculations by formula with the calibration point chosen at the beginning of the path.

Citation Download Citation

S. M. Bobrovnikov, V. I. Zharkov, A. I. Nadeev, and D. A. Trifonov "Analysis of the efficiency of methods for retrieval of vertical profile of atmospheric temperature from molecular scattering at the main lidar of the Siberian lidar station", Proc. SPIE 12086, XV International Conference on Pulsed Lasers and Laser Applications, 1208612 (2 December 2021); https://doi.org/10.1117/12.2616676

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