Apparent and inherent optical properties of turbid estuarine waters: measurements, empirical quantification relationships, and modeling
Applied Optics, Vol. 45, Issue 10, pp. 2310-2324 (2006)
http://dx.doi.org/10.1364/AO.45.002310
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Abstract
Spectral measurements of remote-sensing reflectance (Rrs) and absorption coefficients carried out in three European estuaries (Gironde and Loire in France, Tamar in the UK) are presented and analyzed. Typical Rrs and absorption spectra are compared with typical values measured in coastal waters. The respective contributions of the water constituents, i.e., suspended sediments, colored dissolved organic matter, and phytoplankton (characterized by chlorophyll-a), are determined. The Rrs spectra are then reproduced with an optical model from the measured absorption coefficients and fitted backscattering coefficients. From Rrs ratios, empirical quantification relationships are established, reproduced, and explained from theoretical calculations. These quantification relationships were established from numerous field measurements and a reflectance model integrating the mean values of the water constituents' inherent optical properties. The model's sensitivity to the biogeochemical constituents and to their nature and composition is assessed.
© 2006 Optical Society of America
OCIS Codes
(000.2170) General : Equipment and techniques
(010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(010.7340) Atmospheric and oceanic optics : Water
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
ToC Category:
Atmospheric and Oceanic Optics
History
Original Manuscript: June 16, 2005
Revised Manuscript: September 26, 2005
Manuscript Accepted: September 30, 2005
Virtual Issues
Vol. 1, Iss. 5 Virtual Journal for Biomedical Optics
Citation
David Doxaran, Nagur Cherukuru, and Samantha J. Lavender, "Apparent and inherent optical properties of turbid estuarine waters: measurements, empirical quantification relationships, and modeling," Appl. Opt. 45, 2310-2324 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-10-2310
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