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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 11, Iss. 22 — Nov. 3, 2003
  • pp: 2873–2890

An analytical model for subsurface irradiance and remote sensing reflectance in deep and shallow case-2 waters

A. Albert and C.D. Mobley  »View Author Affiliations


Optics Express, Vol. 11, Issue 22, pp. 2873-2890 (2003)
http://dx.doi.org/10.1364/OE.11.002873


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Abstract

Subsurface remote sensing signals, represented by the irradiance reflectance and the remote sensing reflectance, were investigated. The present study is based on simulations with the radiative transfer program Hydrolight using optical properties of Lake Constance (German: Bodensee) based on in-situ measurements of the water constituents and the bottom characteristics. Analytical equations are derived for the irradiance reflectance and remote sensing reflectance for deep and shallow water applications. The input of the parameterization are the inherent optical properties of the water-absorption a(λ) and backscattering bb (λ). Additionally, the solar zenith angle θs , the viewing angle θv , and the surface wind speed u are considered. For shallow water applications the bottom albedo RB and the bottom depth zB are included into the parameterizations. The result is a complete set of analytical equations for the remote sensing signals R and Rrs in deep and shallow waters with an accuracy better than 4%. In addition, parameterizations of apparent optical properties were derived for the upward and downward diffuse attenuation coefficients Ku and Kd .

© 2003 Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(010.7340) Atmospheric and oceanic optics : Water
(280.0280) Remote sensing and sensors : Remote sensing and sensors

ToC Category:
Research Papers

History
Original Manuscript: September 17, 2003
Revised Manuscript: October 22, 2003
Published: November 3, 2003

Citation
A. Albert and C. Mobley, "An analytical model for subsurface irradiance and remote sensing reflectance in deep and shallow case-2 waters," Opt. Express 11, 2873-2890 (2003)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-11-22-2873


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