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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 30 — Oct. 20, 2011
  • pp: 5770–5779

Comparison of chlorophyll a concentration detected by remote sensors and other chlorophyll indices in inhomogeneous turbid waters

Leonid G. Sokoletsky and Yosef Z. Yacobi  »View Author Affiliations


Applied Optics, Vol. 50, Issue 30, pp. 5770-5779 (2011)
http://dx.doi.org/10.1364/AO.50.005770


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Abstract

A new analytical approach for retrieval of the vertically weighted chlorophyll a concentration ( Chl rs ) detected by remote sensors is presented. Model calculations were carried out for the turbid waters of Lake Kinneret, Israel, and showed that Chl rs may be replaced by the average chlorophyll a concentration ( Chl p ) within the upper “penetration layer” 0 Z p . The study also showed a high correlation between Chl rs and Chl concentration averaged in the other depth layers, namely, the 0 1 m layer, the euphotic layer ( 0 Z e ), and the production layer ( 0 Z pr ). Our findings are closely related to models developed for the world ocean, with the exception of periods when the dinoflagellate Peridinium gatunense blooms in the lake. We showed the effect of the pattern of vertical Chl distributions within the penetration layer on the difference between Chl rs and other Chl indices was conspicuous when the Chl maximum was in the uppermost 0 5 m layer of the water column. We assume that the presented approaches are instrumental for further development of optimal, locally adapted algorithms for remote sensing of Chl in any type of natural waters.

© 2011 Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(330.7326) Vision, color, and visual optics : Visual optics, modeling
(010.5620) Atmospheric and oceanic optics : Radiative transfer

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: May 16, 2011
Manuscript Accepted: August 19, 2011
Published: October 11, 2011

Virtual Issues
Vol. 6, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Leonid G. Sokoletsky and Yosef Z. Yacobi, "Comparison of chlorophyll a concentration detected by remote sensors and other chlorophyll indices in inhomogeneous turbid waters," Appl. Opt. 50, 5770-5779 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-30-5770

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