Measurements of the volume scattering function in a coastal environment

Jean-François Berthon; Michael Lee; Eugeny Shybanov; Giuseppe Zibordi

doi:10.1117/12.740438

13 April 2007 Measurements of the volume scattering function in a coastal environment

Jean-François Berthon, Michael Lee, Eugeny Shybanov, Giuseppe Zibordi

Author Affiliations +

Proceedings Volume 6615, Current Research on Remote Sensing, Laser Probing, and Imagery in Natural Waters; 661506 (2007) https://doi.org/10.1117/12.740438
Event: Current Research on Remote Sensing, Laser Probing, and Imagery in Natural Waters, 2007, Moscow, Russian Federation

Abstract

The Volume Scattering Function (VSF) is an essential variable in the context of marine radiative transfer modeling and of the inversion of ocean colour remote sensing data. However, an important lack of knowledge on the VSF natural variability affects the present models, in particular for the coastal environment. Measurements of the Volume Scattering Function between 0.6° and 177.3° with an angular resolution of 0.3° were performed in the northern coastal Adriatic Sea onboard an oceanographic platform in October 2004 using a prototype instrument. Observed differences with the commonly used Petzold's functions are significant, in particular for the "open ocean" and "coastal" types in the backward directions. The use of an empirical relationship for the derivation of b_b(λ) from a unique measurement of β(ψ,λ) at ψ=140 for the Hydroscat-6 was validated for this coastal site at that season. Finally, the use of the Kopelevich VSF model together with a measurement of b_p(λ) at λ=555 nm allowed the reconstruction of the VSF to within about 35%.

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Jean-François Berthon, Michael Lee, Eugeny Shybanov, and Giuseppe Zibordi "Measurements of the volume scattering function in a coastal environment", Proc. SPIE 6615, Current Research on Remote Sensing, Laser Probing, and Imagery in Natural Waters, 661506 (13 April 2007); https://doi.org/10.1117/12.740438

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