13 April 2007 Secchi disk theory: a reexamination
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Proceedings Volume 6615, Current Research on Remote Sensing, Laser Probing, and Imagery in Natural Waters; 66150O (2007) https://doi.org/10.1117/12.740464
Event: Current Research on Remote Sensing, Laser Probing, and Imagery in Natural Waters, 2007, Moscow, Russian Federation
Abstract
The possibility of the retrieval of the water's inherent optical properties (IOP) from Secchi disk observations is discussed. The paper directly addresses objections to the use of Secchi disks raised by Preisendorfer in 1986. A new version of Secchi depth theory is given, which in contrast to conventional Secchi disk theories includes the effects of light reflection from the sea surface and treats measurements from both the sunny and shaded sides of a vessel. Empirical correlations between different IOP are used to estimate not only the attenuation coefficient, but also the single scattering albedo and the backscattering probability at 550 nm from Secchi depth data. The theory is compared with measurements made in the Black Sea.
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Iosif M. Levin, Tamara M. Radomyslskaya, "Secchi disk theory: a reexamination", Proc. SPIE 6615, Current Research on Remote Sensing, Laser Probing, and Imagery in Natural Waters, 66150O (13 April 2007); doi: 10.1117/12.740464; https://doi.org/10.1117/12.740464
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