Peculiarities in spectral behavior of optical characteristics of urban aerosols by laser sensing data and model estimations

Vladimir V. Barun; Arkady P. Ivanov; Fyodor P. Osipenko; Anatoly P. Chaikovsky

doi:10.1117/12.370504

19 November 1999 Peculiarities in spectral behavior of optical characteristics of urban aerosols by laser sensing data and model estimations

Vladimir V. Barun, Arkady P. Ivanov, Fyodor P. Osipenko, Anatoly P. Chaikovsky

Author Affiliations +

Proceedings Volume 3983, Sixth International Symposium on Atmospheric and Ocean Optics; (1999) https://doi.org/10.1117/12.370504
Event: Sixth International Symposium on Atmospheric and Ocean Optics, 1999, Tomsk, Russian Federation

Abstract

Within the frame of the program on ecological monitoring of air masses, researchers of the Institute of Physics have performed a series of experiments on multi-frequency atmospheric laser sounding over the industrial region of Soligorsk City, Belarus. We obtained extinction, scattering, backscatter coefficients, and lidar ratio over the wavelength range of 0.38 to 1.06 mkm. There was observed a number of peculiarities in the said spectral dependencies differing from those for quite a pure atmosphere. Specifically, backscatter and lidar ratio spectra could have a maximum within the studied spectral range or increase monotonically towards the infrared edge of the spectral range. As for atmospheric sounding at sites rather distant from high-power polluting sources, one observes usually decreasing corresponding spectral dependencies with wavelength increasing. The same behavior is given by well- known optical models of atmospheric aerosols, e.g. by the WMO model.

Citation Download Citation

Vladimir V. Barun, Arkady P. Ivanov, Fyodor P. Osipenko, and Anatoly P. Chaikovsky "Peculiarities in spectral behavior of optical characteristics of urban aerosols by laser sensing data and model estimations", Proc. SPIE 3983, Sixth International Symposium on Atmospheric and Ocean Optics, (19 November 1999); https://doi.org/10.1117/12.370504

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