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This paper presents the results of modeling of spectra of light scattering and absorption coefficients in sea water polluted with crude oil suspension. In the Mie theory, which has been applied for calculations, the results of the measurements of the size distribution spectra in artificial crude oil suspensions in sea water were used as well as the results of the measurements of the components of the complex light refraction index of crude oil from the Baltic Sea (Petrobaltic type). The comparison of the spectra obtained with those which are characteristic for the waters in the Gulf of Gda.sk confirmed that the admixture of emulsion with about 2 ppm of crude oil doubles the light scattering coefficient. The same effect, with respect to the light absorption coefficient, is obtained when the concentration of the crude oil suspension is about 100 ppm.
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p.407-411,fig.
Bibliografia
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- 2. OTREMBA Z., PISKOZUB J. Modelling of the optical contrast of an oil film on a sea surface. Optics Express, 9, 411, 2001. (Full paper: http://www.opticsexpress.org/abstract.cfm? URI=OPEX-9-8-411)
- 3. HULST H. C. Light Scattering by Small Particles, Dover Publications, New York, 1981.
- 4. BOHREN C. F., HUFFMAN D. R. Absorption and Scattering of Light by Small Particles. Wileey Interscience Publica tion, New York, 1983.
- 5. KROL T. The effect of the size of dispersed substances on absorption and scattering properties of dispersed media. Stud, i Mater. Oceanol. 59,175, 1991.
- 6. SVERDRUP, H.U., JOHNSON M. W., FLEMING R. H. The Oceans: Their Physics, Chemistry, and General Biology. Prentice-Hall, Englewood Cliffs, N.J., 1954.
- 7. OTREMBA Z. The impact on the reflectance in VIS of a type of crude oil film floating on the water surface. Opt. Express 7, 129, 2000. (Full paper: http://www.opticsexpress.org/ab- stract.cfm?URI=OPEX-7-3-129
- 8. A. MOREL and L. PRIEUR. Analysis of variations in ocean color. Limnol. Oceanogr., 22, 709, 1977. (Cited part: http://omlc.ogi.edu/spectra/water/data/morel77.dat)
- 9. K. S. SHIFRIN, "Physical Optics of Ocean Water", American Institute of Physics, New York, 1988. (Cited part: http://omlc.ogi.edu/spectra/water/data/shifrin88.dat10. )
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Bibliografia
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bwmeta1.element.agro-article-41cdc0d1-1127-46c6-9a53-2a91af952b3f