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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 9, Iss. 8 — Oct. 8, 2001
  • pp: 411–416

Modelling of the optical contrast of an oil film on a sea surface

Zbigniew Otremba and Jacek Piskozub  »View Author Affiliations

Optics Express, Vol. 9, Issue 8, pp. 411-416 (2001)

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The water-leaving radiance field above a sea surface polluted by an oil film has been modelled using a Monte Carlo radiative transfer technique with large numbers of photons incident at a selected zenith angle. The calculated radiance was recorded for each of the 240 sectors of equal solid angle the upper hemisphere had been divided into. The results are presented in the form of a bi-directional reflectance distribution function (BRDF) and as a contrast function parameterised by observation angle for various angles of incident sunlight and for various states of the sea surface roughness. The conditions for observing maximal and minimal contrast are described.

© Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(310.6860) Thin films : Thin films, optical properties
(330.1800) Vision, color, and visual optics : Vision - contrast sensitivity

ToC Category:
Research Papers

Original Manuscript: August 3, 2001
Published: October 8, 2001

Zbigniew Otremba and Jacek Piskozub, "Modelling of the optical contrast of an oil film on a sea surface," Opt. Express 9, 411-416 (2001)

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  1. Z. Otremba, "The impact on the reflectance in VIS of a type of crude oil film floating on the water surface," Opt. Express 7, 129-134 (2000), http://www.opticsexpress.org/oearchive/source/23002.htm [CrossRef] [PubMed]
  2. P. J. Flatau, J. Piskozub, J. R. Zaneveld, "Asymptotic light field in the presence of a bubble-layer," Opt. Express 5, 120-123 (1999), http://www.opticsexpress.org/oearchive/source/11948.htm [CrossRef] [PubMed]
  3. J. Piskozub, A. R. Weeks, J. N. Schwarz, I. S. Robinson, "Self-shading of upwelling irradiance for an instrument with sensors on a sidearm," Appl. Opt. 39, 1872-1878 (2000) [CrossRef]
  4. R. Leathers, T. Downes, C. Mobley, "Self-shading correction for upwelling sea-surface radiance measurements made with buoyed instruments" Opt. Express, 8 561 (2001) http://www.opticsexpress.org/oearchive/source/32933.htm [CrossRef] [PubMed]
  5. C. Cox, W. H. Munk, "Slopes of the sea surface deduced from photographs of sun glitter," Scripps. Inst. Oceanogr. Bul. 6, 9 (1956)
  6. Siegel and Seifert, Influence of sea bottom on spectral reflectance in the Oder bank region, Beit. Meer. 52, 65-71(1985)
  7. A.Morel, L.Prieur, "Analysis of variation in ocean colour," Limnol. Oceanol. 22, 709-721 (1977) [CrossRef]
  8. T. Petzold, "Volume scattering functions for selected ocean waters," In: Light in the sea, J. E. Tyler (Ed) Dowden, (Hithinsons and Ross Inc., Strounburg, Pensylvania, 1977) pp. 152-174.

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