Correction of the above water radiometric measurements for the sky dome reflection,accounting for polarization

Santer, R.; Zagolski, F.; Barker, K.; Huot, J.-P.

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Correction of the above water radiometric measurements for the sky dome reflection,accounting for polarization

Santer, R.; Zagolski, F.; Barker, K.; Huot, J.-P. (2013). Correction of the above water radiometric measurements for the sky dome reflection,accounting for polarization, in: Ouwehand, L. (Ed.) Proceedings of the Sentinel-3 OLCI/SLSTR and MERIS/(A)ATSR Workshop, 15–19 October 2012, Frascati, Italy. ESA Special Publications, 711: pp. [1-8]

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Keyword

Marine/Coastal

Authors		Top
Santer, R., more Zagolski, F. Barker, K., more Huot, J.-P.

Abstract

The water-leaving radiance measurement is a key element in the validation of atmospheric corrections over ocean. The latter requires the correction for the Fresnel reflection of the sky dome by the water surface. Currently, this correction is achieved with a measurement of the sky radiance and the use of a Fresnel reflection coefficient, ignoring the polarisation processes. Our objective is to illustrate the bias induced by neglecting the polarisation in the reflected sky dome by the sea surface. Results from this study clearly stress that the polarization has to be accounted for.

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