Estimation of the contribution of coarse aerosol into extinction of radiation in the wavelength range 0.45 – 3.9 mkm

V. N. Uzhegov; Yu. A. Pkhalagov

doi:10.1117/12.2504440

13 December 2018 Estimation of the contribution of coarse aerosol into extinction of radiation in the wavelength range 0.45 – 3.9 mkm

V. N. Uzhegov, Yu. A. Pkhalagov

Author Affiliations +

Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1083351 (2018) https://doi.org/10.1117/12.2504440
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation

Abstract

The paper analyzes the results of a ten-year long round-the-clock measurements of the atmospheric spectral transmittance of the atmosphere on a horizontal 1 km long near-surface path. Measurements were carried out in the suburb of Tomsk in 1997-2006 since March till October. More than 10,000 hourly average spectra of aerosol extinction coefficients were obtained in the wavelength range 0.45 to 3.9 μm. The role of coarse aerosol in the extinction of visible and IR radiation was estimated. It is shown that the most probable fraction of extinction by coarse aerosol at the wavelengths of 0.45, 0.55 and 1.06 μm, is 17, 22 and 50%, respectively.

Citation Download Citation

V. N. Uzhegov and Yu. A. Pkhalagov "Estimation of the contribution of coarse aerosol into extinction of radiation in the wavelength range 0.45 – 3.9 mkm", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1083351 (13 December 2018); https://doi.org/10.1117/12.2504440

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