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Proceedings Paper

Remote sensing and measurement of the thickness of oil films on the sea surface using reflectivity contrast
Author(s): V. Yu. Osadchy; Kusiel S. Shifrin; Irina Y. Gurevich
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Paper Abstract

Contrast in the reflectivity between pure and contaminated sea surfaces is the result of two effects, namely (1) differing reflectivities of pure sea water and oil on water and (2) damping effect of the oil film on the sea waves. The problem is to estimate their separate contributions to total contrast so that the substance effect can be isolated. Its magnitude provides assessment of the oil film thickness which can be obtained for sufficiently large averaging scales. The spectral behavior and film thickness dependence of contrast have been calculated for an undisturbed sea surface. The estimate of the damping effect has been made using the Cox- Munk distributions for pure and contaminated surfaces. The method chosen has been verified during a series of tests conducted in situ from an aircraft carrying a CO2 laser sensor operating at 10.6 micrometers .

Paper Details

Date Published: 26 October 1994
PDF: 12 pages
Proc. SPIE 2258, Ocean Optics XII, (26 October 1994); doi: 10.1117/12.190121
Show Author Affiliations
V. Yu. Osadchy, P. P. Shirshov Institute of Oceanology (Russia)
Kusiel S. Shifrin, Oregon State Univ. (United States)
Irina Y. Gurevich, P. P. Shirshov Institute of Oceanology (Russia)


Published in SPIE Proceedings Vol. 2258:
Ocean Optics XII

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