Retrieval of the polarized submarine light field from above surface measurements using polarimetric imaging

Robert Foster; Anna McGilloway; Matteo Ottaviani; Carlos Carrizo; Alex Gilerson; Ahmed El-Habashi; Sam Ahmed

doi:10.1117/12.2225111

4 May 2016 Retrieval of the polarized submarine light field from above surface measurements using polarimetric imaging

Robert Foster, Anna McGilloway, Matteo Ottaviani, Carlos Carrizo, Alex Gilerson, Ahmed El-Habashi, Sam Ahmed

Proceedings Volume 9853, Polarization: Measurement, Analysis, and Remote Sensing XII; 98530O (2016) https://doi.org/10.1117/12.2225111
Event: SPIE Commercial + Scientific Sensing and Imaging, 2016, Baltimore, MD, United States

Abstract

Knowledge of the underwater light field is fundamental to determining the health of the world's oceans and coastal regions. For decades, traditional remote sensing retrieval methods that rely solely on the spectral intensity of the water-leaving light have provided indicators of marine ecosystem health. As the demand for retrieval accuracy rises, use of the polarized nature of light as an additional remote sensing tool is becoming necessary. For two weeks in December 2015, the NOAA NPP-VIIRS Calibration/Validation cruise continuously observed the polarized radiance of the ocean and the sky using a HyperSAS-POL system. Additionally, a full Stokes imaging polarimetric camera was used to acquire images and videos of the sea surface and sky during stations at coincident angles with HyperSAS-POL. Polarized remote sensing reflectance is computed for all viewing elevations present in the polarization images, and the results are compared to vector radiative transfer calculations.

Citation Download Citation

Robert Foster, Anna McGilloway, Matteo Ottaviani, Carlos Carrizo, Alex Gilerson, Ahmed El-Habashi, and Sam Ahmed "Retrieval of the polarized submarine light field from above surface measurements using polarimetric imaging", Proc. SPIE 9853, Polarization: Measurement, Analysis, and Remote Sensing XII, 98530O (4 May 2016); https://doi.org/10.1117/12.2225111

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KEYWORDS

Cameras

Polarization

Remote sensing

Radiative transfer

Radiometry

Water

Polarizers

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