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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 11, Iss. 21 — Oct. 20, 2003
  • pp: 2654–2665

Determining the influential depth for surface reflectance of sediment by BRDF measurements

H. Zhang, K. Voss, and R. Reid  »View Author Affiliations


Optics Express, Vol. 11, Issue 21, pp. 2654-2665 (2003)
http://dx.doi.org/10.1364/OE.11.002654


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Abstract

We measure the Bi-directional reflectance distribution function (BRDF) of ooid sand layers with three particle size distributions (0.5-1mm, 0.25-0.5mm and 0.125-0.25mm) and layer thicknesses on a reflecting mirror to determine the influential depth in the optical region at wavelengths of 658 nm (red), 570 nm (green) and 457 nm (blue). The hemispherical reflectance (albedo) was used as an indicator of BRDF changes between different layers. Measurements are carried out on both dry and water wetted grains. The results indicate that for both dry and wet and all size distributions, the influential depth is at most 2mm.

© 2003 Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(030.5620) Coherence and statistical optics : Radiative transfer
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(290.5850) Scattering : Scattering, particles
(300.0300) Spectroscopy : Spectroscopy
(350.4990) Other areas of optics : Particles

ToC Category:
Research Papers

History
Original Manuscript: August 6, 2003
Revised Manuscript: October 1, 2003
Published: October 20, 2003

Citation
H. Zhang, K. Voss, and R. Reid, "Determining the influential depth for surface reflectance of sediment by BRDF measurements," Opt. Express 11, 2654-2665 (2003)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-11-21-2654


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References

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  2. H. Zhang, K. J. Voss, R. P. Reid and E. Louchard, "Bi-directional reflectance measurements of sediments in the vicinity of Lee Stocking Island, Bahamas," Limnol. Oceanogr. 48, 380 (2003).
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  9. S. Chandrasekhar, Radiative transfer (Dover Publications, New York 1981).
  10. S. Liang, "An investigation of remotely-sensed soil depth in the optical region," Int. J Remote Sens. 18, 3395 (1997). [CrossRef]
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