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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 22 — Aug. 1, 2007
  • pp: 5189–5203

Measurements and modeling of the volume scattering function in the coastal northern Adriatic Sea

Jean-François Berthon, Eugeny Shybanov, Michael E.-G. Lee, and Giuseppe Zibordi  »View Author Affiliations


Applied Optics, Vol. 46, Issue 22, pp. 5189-5203 (2007)
http://dx.doi.org/10.1364/AO.46.005189


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Abstract

We performed measurements of the volume scattering function (VSF) between 0.5° and 179° with an angular resolution of 0.3° in the northern Adriatic Sea onboard an oceanographic platform during three different seasons, using the multispectral volume scattering meter (MVSM) instrument. We observed important differences with respect to Petzold's commonly used functions, whereas the Fournier–Forand's analytical formulation provided a rather good description of the measured VSF. The comparison of the derived scattering, b p ( λ ) and backscattering, b b p ( λ ) coefficients for particles with the measurements performed with the classical AC-9 and Hydroscat-6 showed agreement to within 20%. The use of an empirical relationship for the derivation of b b ( λ ) from β ( ψ , λ ) at ψ = 140 ° was validated for this coastal site although ψ = 118 ° was confirmed to be the most appropriate angle. The low value of the factor used to convert β ( ψ , λ ) into b b ( λ ) within the Hydroscat-6 processing partially contributed to the underestimation of b b ( λ ) with respect to the MVSM. Finally, use of the Kopelevich model together with a measurement of b p ( λ ) at λ = 555   nm allowed us to reconstruct the VSF with average rms percent differences between 8 and 15%.

© 2007 Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(290.1350) Scattering : Backscattering
(290.5820) Scattering : Scattering measurements
(290.5850) Scattering : Scattering, particles

ToC Category:
Scattering

History
Original Manuscript: November 16, 2006
Revised Manuscript: February 13, 2007
Manuscript Accepted: February 22, 2007
Published: July 9, 2007

Virtual Issues
Vol. 2, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Jean-François Berthon, Eugeny Shybanov, Michael E.-G. Lee, and Giuseppe Zibordi, "Measurements and modeling of the volume scattering function in the coastal northern Adriatic Sea," Appl. Opt. 46, 5189-5203 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-22-5189


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