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The modification of light flux leaving a wind-roughened, oil covered sea surface: example of computations for hallow seas

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Otremba Z., Piskozub P. J., Piskozub J.

Oceanological Studies

2000

vol. 29

issue 1

117-133

This paper presents chosen results of modelling of upward light flux over a rough sea surface covered with an oil film. In upward irradiance computations (by means of Monte Carlo method), the optical parameters of two types of water were taken into consideration: water typical for bays of the Baltic Sea (Case 2 water) and ocean (Case 1) waters, both covered with an oil layer 5 mum thick (Romashkino). Coefficients of reflectance and transmission for the oil film were used for the calculations. These coefficients were obtained through the mathematical simulation of the route of light rays, both upward and downward, through the oil film. The obtained results show that oil films influence upward light fluxes over the sea surface, and that this influence depends on the depth and roughness of the sea. The analyses of oil film visibility on sea surfaces revealed also the influence of the direction of observation.

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1 Oceanological Studies

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The modification of light flux leaving a wind-roughened, oil covered sea surface: example of computations for hallow seas