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Proceedings Paper

Secchi disk theory: a reexamination
Author(s): Iosif M. Levin; Tamara M. Radomyslskaya
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Paper 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.

Paper Details

Date Published: 13 April 2007
PDF: 11 pages
Proc. SPIE 6615, Current Research on Remote Sensing, Laser Probing, and Imagery in Natural Waters, 66150O (13 April 2007); doi: 10.1117/12.740464
Show Author Affiliations
Iosif M. Levin, P.P. Shirshov Institute of Oceanology (Russia)
Tamara M. Radomyslskaya, P.P. Shirshov Institute of Oceanology (Russia)


Published in SPIE Proceedings Vol. 6615:
Current Research on Remote Sensing, Laser Probing, and Imagery in Natural Waters
Iosif M. Levin; Gary D. Gilbert; Vladimir I. Haltrin; Charles C. Trees, Editor(s)

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