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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 1, Iss. 7 — Jul. 17, 2006

Effects of ocean surface reflectance variation with solar elevation on normalized water-leaving radiance

Menghua Wang  »View Author Affiliations


Applied Optics, Vol. 45, Issue 17, pp. 4122-4128 (2006)
http://dx.doi.org/10.1364/AO.45.004122


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Abstract

Effects of the ocean surface reflection for solar irradiance on the normalized water-leaving radiance in the visible wavelengths are evaluated and discussed for various conditions of the atmosphere, solar-zenith angles, and wind speeds. The surface reflection effects on water-leaving radiance are simply due to the fact that the radiance that is backscattered out of the water is directly proportional to the downward solar irradiance just beneath the ocean surface. The larger the solar-zenith angle, the less the downward solar irradiance just beneath the ocean surface (i.e., more photons are reflected by the ocean surface), leading to a reduced value of the radiance that is backscattered out of the ocean. For cases of large solar-zenith angles, the effects of surface irradiance reflection need to be accounted for in both the satellite-derived and in situ measured water-leaving radiances.

© 2006 Optical Society of America

OCIS Codes
(010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
(240.0240) Optics at surfaces : Optics at surfaces
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(290.1310) Scattering : Atmospheric scattering

History
Original Manuscript: September 6, 2005
Manuscript Accepted: November 14, 2006

Virtual Issues
Vol. 1, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Menghua Wang, "Effects of ocean surface reflectance variation with solar elevation on normalized water-leaving radiance," Appl. Opt. 45, 4122-4128 (2006)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-45-17-4122

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