On the рossibility of multichannel optical backscattering sondes for joint balloon and lidar studies of the aerosol composition of the middle atmosphere

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Abstract

Aerosol backscattering sondes in the practice of aerological sounding, along with lidar observations, are used at night to study and monitor polar stratospheric clouds, tropospheric and stratospheric aerosol, cirrus clouds, pyroconvection, volcanic aerosol, as well as to verify remote methods and means of ground-based and satellite-based aerosol observations. For aerosol sondes, a simple two-wave measurement technique is used, which makes it possible to diagnose changes in aerosol composition by color index. The possibilities of the two-wave technique have limitations, which are discussed in this article. Aerological sounding combined with lidar observations expands the wavelength range for multi-wavelength studies, and direct measurements of atmospheric temperature increase the accuracy of aerosol sensing. The paper considers the application of 3 or more wavelenght techniques. Data from probe measurements using wavelengths of 470, 528, 850 and 940 nm and lidar sensing at wavelengths of 355 and 532 nm are presented.

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About the authors

N. V. Balugin

Central Aerological observatory

Email: v_yushkov@mail.ru
Russian Federation, 14170, Dolgoprudny, Moscow Region, Pervomayskaya str., 3

B. A. Fomin

Central Aerological observatory

Email: v_yushkov@mail.ru
Russian Federation, 14170, Dolgoprudny, Moscow Region, Pervomayskaya str., 3

V. А. Yushkov

Central Aerological observatory

Author for correspondence.
Email: v_yushkov@mail.ru
Russian Federation, 14170, Dolgoprudny, Moscow Region, Pervomayskaya str., 3

V. N. Marichev

Zuev Institute of Atmospheric Optics RAS SB

Email: v_yushkov@mail.ru
Russian Federation, 634055, Tomsk, Ak. Zueva place, 1

D. A. Bochkovskyi

Zuev Institute of Atmospheric Optics RAS SB

Email: v_yushkov@mail.ru
Russian Federation, 634055, Tomsk, Ak. Zueva place, 1

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2. Fig. 1. Results of the lidar-balloon experiment in Tomsk on the night of January 27-28, 2022 in the form of vertical profiles of R – the ratio of the values ​​of the total backscattering coefficients to the value of molecular scattering for different wavelengths (see text).

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3. Fig. 2. Ci index for pairs of wavelengths (470, 940) nm, (470, 850) nm and (470, 528) nm.

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4. Fig. 3. Backscattering coefficients (in relative units) for climatic aerosols “SOOT” (soot), “H2SO4” (sulfuric acid) and “DUST” (dust) aerosols based on the results of calculations using Mie theory and data from [WCP-112, 1986].

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Note

1The article is based on the oral report presented at the IV All-Russian Conference with international participation “Turbulence, atmospheric dynamics and climate”, dedicated to the memory of academician A.M. Obuhova (Moscow, November 22–24, 2022).


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