Radar and optical remote sensing in offshore domain to detect, characterize, and quantify ocean surface oil slicks

S. Angelliaume; X. Ceamanos; F. Viallefont-Robinet; R. Baqué; Ph. Déliot; V. Miegebielle

doi:10.1117/12.2277706

3 October 2017 Radar and optical remote sensing in offshore domain to detect, characterize, and quantify ocean surface oil slicks

S. Angelliaume, X. Ceamanos, F. Viallefont-Robinet, R. Baqué, Ph. Déliot, V. Miegebielle

Author Affiliations +

Proceedings Volume 10422, Remote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2017; 1042204 (2017) https://doi.org/10.1117/12.2277706
Event: SPIE Remote Sensing, 2017, Warsaw, Poland

Abstract

Radar and optical sensors are operationally used by authorities or petroleum companies for detecting and characterizing maritime pollution. The interest lies not only in exploration but also in the monitoring of the maritime environment. Occurrence of natural seeps on the sea surface is a key indicator of the presence of mature source rock in the subsurface. These natural seeps, as well as the oil slicks, are commonly detected using radar sensors but the addition of optical imagery can deliver extra information such as the oil real fraction, which is critical for both exploration purposes and efficient cleanup operations. Today state-of-the-art approaches combine multiple data collected by optical and radar sensors embedded on-board different airborne and spaceborne platforms, to ensure wide spatial coverage and high frequency revisit time. Multi-wavelength imaging system may create a breakthrough in remote sensing applications, but it requires adapted processing techniques that need to be developed. To explore performances offered by multi-wavelength radar and optical sensors for oil slick monitoring, remote sensing data have been collected by SETHI, the airborne system developed by ONERA, during an oil spill cleanup exercise carried out in 2015 in the North Sea, Europe. The uniqueness of this data set lies in its high spatial resolution, low noise level and quasi-simultaneous acquisitions of different part of the electromagnetic spectrum. Specific processing techniques have been developed in order to extract meaningful information associated with oil-covered sea surface. Analysis of this unique and rich dataset demonstrates that remote sensing imagery, collected in both optical and microwave domains, allows to estimate slick surface properties such as the spatial abundance of oil and the relative concentration of hydrocarbons on the sea surface.

Citation Download Citation

S. Angelliaume, X. Ceamanos, F. Viallefont-Robinet, R. Baqué, Ph. Déliot, and V. Miegebielle "Radar and optical remote sensing in offshore domain to detect, characterize, and quantify ocean surface oil slicks", Proc. SPIE 10422, Remote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2017, 1042204 (3 October 2017); https://doi.org/10.1117/12.2277706

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