Abstract

We use remote-sensing reflectance from particulate R rs to determine the volume absorption coefficient a of turbid water in the 400 < λ < 700-nm spectral region. The calculated and measured values of a(λ) show good agreement for 0.5 < a < 10 (m-1). To determine R rs from a particulate, we needed to make corrections for remote-sensing reflectance owing to surface roughness S rs. We determined the average spectral distribution of S rs from the difference in total remote-sensing reflectance measured with and without polarization. The spectral shape of S rs showed an excellent fit to theoretical formulas for glare based on Rayleigh and aerosol scattering from the atmosphere.

© 1998 Optical Society of America

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