Search results for "Vessaments de petroli"

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Thermal-Infrared Spectral and Angular Characterization of Crude Oil and Seawater Emissivities for Oil Slick Identification

2014

Previous work has shown that the emissivity of crude oil is lower than that of the seawater in the thermal-infrared (TIR) spectrum. Thus, oil slicks cause an emissivity decrease relative to the seawater in that region. The aim of this paper was to carry out experimental measurements to characterize the spectral and angular variations of crude oil and seawater emissivities. The results showed that the crude oil emissivity is lower than the seawater emissivity and that it is essentially flat in the atmospheric window of 8-13 μm. The crude oil emissivity has a marked emissivity decrease with the angle (from 0.956 ± 0.005 at 15 ° to 0.873 ± 0.007 at 65 °), which is even higher than that of the …

Vessaments de petroliRadiometerCiències de la terraMineralogyRacing slickInfrared windowTermodinàmicaNadirEmissivityGeneral Earth and Planetary SciencesEnvironmental scienceRadiometrySatelliteSeawaterElectrical and Electronic EngineeringRemote sensingIEEE Transactions on Geoscience and Remote Sensing
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