Bi-directional reflectance study on particulate layers: Effects of pore liquid absorption coefficient |
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Authors: | Kenneth J. Voss Hao Zhang |
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Affiliation: | Department of Physics, University of Miami, Miami, FL 33124, USA |
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Abstract: | ![]() We have made bi-directional reflectance distribution function (BRDF) measurements on particulate layers wetted by absorbing liquids. The measurement results indicate that the BRDF tends to become more Lambertian as the interstitial pore liquid becomes more absorbing. The directional hemispherical reflectance, or albedo, of such a layer decreases nonlinearly with a wetting liquid's absorption coefficient. This behavior may be fit by two empirical relationships which independently treat the reflectance from the front surface and reflectance from the bulk material. |
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Keywords: | Reflectance Ocean optics |
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