Peculiarities of the diurnal variability of the spectral structure of aerosol extinction of radiation in the wavelength range 0.44 to 1.06 µm on near-ground and slant paths

Yurii A. Pkhalagov; Victor N. Uzhegov; D. M. Kabanov; Sergei M. Sakerin

doi:10.1117/12.548576

23 February 2004 Peculiarities of the diurnal variability of the spectral structure of aerosol extinction of radiation in the wavelength range 0.44 to 1.06 μm on near-ground and slant paths

Yurii A. Pkhalagov, Victor N. Uzhegov, D. M. Kabanov, Sergei M. Sakerin

Author Affiliations +

Proceedings Volume 5397, Tenth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics. Part II: Laser Sensing and Atmospheric Physics; (2004) https://doi.org/10.1117/12.548576
Event: Tenth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 2003, Tomsk, Russian Federation

Abstract

A combined data array on diurnal variability of the spectral structure of the aerosol extinction coefficient on near-ground path and the aerosol optical thickness in the wavelength range 0.44 to 1.06 μm obtained in warm seasons 1995-2000 nearby Tomsk is considered. Temporal transformation of the spectral dependence of the effective height of the aerosol atmosphere H₀(λ) in the period since 6 a.m. till 6 p.m. is analyzed. It is shown that the characteristics maximum centered at λ=0.52-0.56 μm is well pronounced in the spectral structure of the parameter H₀(λ) near noon at minimum concentration of fine aerosol. The fact of existence of such a maximum is indirect confirmation of the hypothesis on the determining role of stratospheric intermediately dispersed particles in formation of rarely observed anomalous spectral dependence of the aerosol extinction in shortwave range.

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Yurii A. Pkhalagov, Victor N. Uzhegov, D. M. Kabanov, and Sergei M. Sakerin "Peculiarities of the diurnal variability of the spectral structure of aerosol extinction of radiation in the wavelength range 0.44 to 1.06 μm on near-ground and slant paths", Proc. SPIE 5397, Tenth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics. Part II: Laser Sensing and Atmospheric Physics, (23 February 2004); https://doi.org/10.1117/12.548576

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