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Proceedings Paper

Refractive effects on transmittance and radiance in the marine surface layer
Author(s): Vincent Ross; Denis Dion
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Paper Abstract

Near the sea surface, strong gradients of temperature and moisture affect the path taken by propagating radiation. Strong gradients in aerosol properties may also be present causing transmittance and radiance to be strongly dependent on the exact path taken by radiation, especially when viewing angles are nearly horizontal. So far, the rapid changes of atmospheric properties with altitude near the surface have been neglected in the calculations of transmittance and path radiance. In this paper, calculations of transmittances under sub- and super-refraction conditions are presented. It is shown that transmittance can vary significantly when accounting for refraction in platform based or limb viewing conditions. Furthermore, calculations of path-radiance in the surface layer, which accounts for the scattering of incident radiation, will be addressed and computational results presented.

Paper Details

Date Published: 6 February 2004
PDF: 11 pages
Proc. SPIE 5237, Optics in Atmospheric Propagation and Adaptive Systems VI, (6 February 2004); doi: 10.1117/12.514607
Show Author Affiliations
Vincent Ross, AEREX Avionique, Inc. (Canada)
Denis Dion, Defence R&D Canada-Valcartier (Canada)

Published in SPIE Proceedings Vol. 5237:
Optics in Atmospheric Propagation and Adaptive Systems VI
John D. Gonglewski; Karin Stein, Editor(s)

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