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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 15 — May. 20, 2003
  • pp: 2623–2634

Remote-sensing reflectance of turbid sediment-dominated waters. Reduction of sediment type variations and changing illumination conditions effects by use of reflectance ratios

David Doxaran, Jean-Marie Froidefond, and Patrice Castaing  »View Author Affiliations


Applied Optics, Vol. 42, Issue 15, pp. 2623-2634 (2003)
http://dx.doi.org/10.1364/AO.42.002623


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Abstract

Variations of sediment type (grain size and refractive index) and changing illumination conditions affect the reflectance signal of coastal waters and limit the accuracy of sediment-concentration estimations from remote-sensing measurements. These effects are analyzed from numerous in situ remote-sensing measurements carried out in the Gironde and Loire Estuaries and then reduced and partly eliminated when reflectance ratios between the near infrared and the visible are considered. These ratios showed high correlation with the sediment concentration. On the basis of the obtained relationships, performing correspondence functions were established that allow an accurate estimation of suspended sediments in the estuaries from Système Probatoire d’Observation de la Terre, Landsat, and Sea-Viewing Wide Field-of-View Sensor data, independently of the date of acquisition.

© 2003 Optical Society of America

OCIS Codes
(010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
(280.0280) Remote sensing and sensors : Remote sensing and sensors

History
Original Manuscript: July 22, 2002
Revised Manuscript: December 27, 2002
Published: May 20, 2003

Citation
David Doxaran, Jean-Marie Froidefond, and Patrice Castaing, "Remote-sensing reflectance of turbid sediment-dominated waters. Reduction of sediment type variations and changing illumination conditions effects by use of reflectance ratios," Appl. Opt. 42, 2623-2634 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-15-2623

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