Microphysical interpretation of an anomalous spectral dependence of aerosol extinction on a near-ground path

E. V. Makienko; R. F. Rakhimov; Yurii A. Pkhalagov; Victor N. Uzhegov

doi:10.1117/12.548570

23 February 2004 Microphysical interpretation of an anomalous spectral dependence of aerosol extinction on a near-ground path

E. V. Makienko, R. F. Rakhimov, Yurii A. Pkhalagov, Victor N. Uzhegov

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/10.1117/12.548570
Event: Tenth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 2003, Tomsk, Russian Federation

Abstract

A rare case of anomalous spectral dependence of the aerosol extinction of radiation in visible wavelength range was observed near Tomsk in September 2002. It was formed in conditions of decay of smoke haze under the effect of arctic air mass coming. Maximum of the aerosol extinction which is usually located in the violet spectral range (λ ≤ 0.44 μm) has moved to the range λ≈ 0.8 - 1.4 μm. The results of solving the inverse problem have shown that when arctic air came, the content of the particles of accumulative fraction decreased, and the intermediately dispersed fraction moved to the range of smaller particles and became narrower.

Citation Download Citation

E. V. Makienko, R. F. Rakhimov, Yurii A. Pkhalagov, and Victor N. Uzhegov "Microphysical interpretation of an anomalous spectral dependence of aerosol extinction on a near-ground path", 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/10.1117/12.548570

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