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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 7 — Mar. 29, 2010
  • pp: 7521–7527

Estimation of near-infrared water-leaving reflectance for satellite ocean color data processing

Sean W. Bailey, Bryan A. Franz, and P. Jeremy Werdell  »View Author Affiliations


Optics Express, Vol. 18, Issue 7, pp. 7521-7527 (2010)
http://dx.doi.org/10.1364/OE.18.007521


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Abstract

The atmospheric correction algorithm employed by the NASA Ocean Biology Processing Group requires an assumption of negligible water-leaving reflectance in the near-infrared region of the spectrum. For waters where this assumption is not valid, an optical model is used to estimate near-infrared water-leaving reflectance. We describe this optical model as implemented for the sixth reprocessing of the SeaWiFS mission-long time-series (September 2009). Application of the optical model resulted in significant reductions in the number of negative water-leaving reflectance retrievals in turbid and optically complex waters, and improved agreement with in situ chlorophyll-a observations. The incidence of negative water-leaving reflectance retrievals at 412 nm was reduced by 40%, while negative reflectance at 490 nm was nearly eliminated.

© 2010 OSA

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(280.4991) Remote sensing and sensors : Passive remote sensing

ToC Category:
Remote Sensing

History
Original Manuscript: January 4, 2010
Revised Manuscript: March 10, 2010
Manuscript Accepted: March 11, 2010
Published: March 26, 2010

Citation
Sean W. Bailey, Bryan A. Franz, and P. Jeremy Werdell, "Estimation of near-infrared water-leaving reflectance for satellite ocean color data processing," Opt. Express 18, 7521-7527 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-7-7521


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References

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