Heterogeneity Accounting for the UV-C Radiation Propagation Path Over the Sea

A. I. Rodionov; Родионов А. И.; I. D. Rodionov; Родионов И. Д.; I. P. Rodionova; Родионова И. П.; D. V. Shestakov; Шестаков Д. В.; V. V. Egorov; Егоров В. В.; V. L. Shapovalov; Шаповалов В. Л.; A. P. Kalinin; Калинин А. П.

doi:10.31857/S0207401X23100138

Heterogeneity Accounting for the UV-C Radiation Propagation Path Over the Sea

Authors: Rodionov A.I.¹^,2, Rodionov I.D.¹^,2, Rodionova I.P.¹^,2, Shestakov D.V.¹^,2, Egorov V.V.³, Shapovalov V.L.¹, Kalinin A.P.⁴
Affiliations:
1. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Moscow, Russia
2. AO Scientific and Technical Center Reagent, Moscow, Russia
3. Space Research Institute, Russian Academy of Sciences, Moscow, Russia
4. Ishlinsky Institute for Problems in Mechanics, Russian Academy of Sciences, Moscow, Russia
Issue: Vol 42, No 10 (2023)
Pages: 96-100
Section: Химическая физика атмосферных явлений
URL: https://rjmseer.com/0207-401X/article/view/674823
DOI: https://doi.org/10.31857/S0207401X23100138
EDN: https://elibrary.ru/TCNBUQ
ID: 674823

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Abstract

The ultraviolet (UV)-C range ensures high noise immunity and the possibility of operating equipment in the troposphere during the daytime, since the ozone layer of the atmosphere almost completely absorbs the UV-C radiation from the Sun. One of the main advantages of this range in comparison with the visible, infrared, and even radio range is the weak scattering of ultraviolet on aerosol particles of dust, snow, hail, water droplets, fog, and rain. In this paper, we propose a method for determining the optical thickness of the atmosphere during the propagation of UV-C radiation along an inclined path over the sea. Accounting for the inhomogeneity of the path of propagation of UV-C radiation is ensured by introducing in the model the dependence of the extinction coefficient and the optical thickness of the atmosphere on altitude. The validity of the proposed model is confirmed by the data of a full-scale experiment conducted over the Black Sea. The extinction coefficient of the atmosphere above the sea surface, as well as its aerosol and molecular components, is determined based on the experimental data.

Keywords

UV-C radiation, optical thickness, extinction, altitude above sea level, UV-C receiver

References

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