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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 6 — Feb. 20, 2003
  • pp: 893–895

Atmospheric correction of SeaWiFS imagery for turbid coastal and inland waters: comment

Yan Li  »View Author Affiliations


Applied Optics, Vol. 42, Issue 6, pp. 893-895 (2003)
http://dx.doi.org/10.1364/AO.42.000893


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Abstract

Ruddick et al. [Appl. Opt. 39, 897 (2000)] extended the standard SeaWiFS atmospheric-correction algorithm for use over turbid coastal and inland waters. However, Ruddick’s method is based on the assumption of a spatially homogeneous constant ratio for the water-leaving reflectances normalized by the sun-sea atmospheric transmittance at 765 and 865 nm. Such first-order b b /a model-based assumption can result in an inaccuracy for highly turbid water. Using the first- and second-order b b /(a + b b ) models as well as the second-order b b /a model (which, more realistically, do not assume spatial homogeneity ratio), we suggest using the modified assumption, R(8)-1 = α0R(7)-1 + (l1Q)-1 (1 - α0), instead of Ruddick’s assumption, in SeaWiFS atmospheric-correction algorithms for highly turbid waters.

© 2003 Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(010.7340) Atmospheric and oceanic optics : Water
(280.0280) Remote sensing and sensors : Remote sensing and sensors

History
Original Manuscript: July 2, 2002
Revised Manuscript: October 21, 2002
Published: February 20, 2003

Citation
Yan Li, "Atmospheric correction of SeaWiFS imagery for turbid coastal and inland waters: comment," Appl. Opt. 42, 893-895 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-6-893

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