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Proceedings Paper

Peculiarities in spectral behavior of optical characteristics of urban aerosols by laser sensing data and model estimations
Author(s): Vladimir V. Barun; Arkady P. Ivanov; Fyodor P. Osipenko; Anatoly P. Chaikovsky
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Paper 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.

Paper Details

Date Published: 19 November 1999
PDF: 11 pages
Proc. SPIE 3983, Sixth International Symposium on Atmospheric and Ocean Optics, (19 November 1999); doi: 10.1117/12.370504
Show Author Affiliations
Vladimir V. Barun, B.I. Stepanov Institute of Physics (Belarus)
Arkady P. Ivanov, B.I. Stepanov Institute of Physics (Belarus)
Fyodor P. Osipenko, B.I. Stepanov Institute of Physics (Belarus)
Anatoly P. Chaikovsky, B.I. Stepanov Institute of Physics (Belarus)


Published in SPIE Proceedings Vol. 3983:
Sixth International Symposium on Atmospheric and Ocean Optics

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