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- W2019439101 abstract "SAR instruments with polarimetric capabilities, high resolution and short revisit time can provide powerful support in oilspill monitoring and different techniques of analysis have been developed for this purpose [1][2]. An oil film on the seasurface results in darker areas in SAR images, but careful interpretation is required because dark spots can also be causedby natural phenomena. In view of the very low backscatter from slicks, the Noise Equivalent Sigma Zero (NESZ) is aprimary sensor parameter to be considered when using a sensor for slick analysis. Among the existing full polarimetricsensors, the high resolution and very low NESZ values of UAVSAR (L-band) and RADARSAT-2 (C-band) make thempreferable for oil spill analysis compared to the last generation SAR instruments. The Deepwater Horizon disaster thatoccurred in the Gulf of Mexico in 2010 represents a unique and extensive test site where large amounts of SAR imageryand ground validation data are available. By applying the Cloude-Pottier decomposition method to full polarimetricUAVSAR (L-band) and RADARSAT-2 (C-band), it is possible to extract parameters that describe the scatteringmechanism of the target. By comparing quasi-simultaneous acquisitions and exploiting the different penetrationcapabilities of the sensors, we investigate the potential of full polarimetric SAR to discriminate oil on the sea surfacefrom look-alike phenomena covering the full range of backscattering values down to those at the instrument noise floor." @default.
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- W2019439101 date "2014-10-22" @default.
- W2019439101 modified "2023-09-30" @default.
- W2019439101 title "Oil spill analysis by means of full polarimetric UAVSAR (L-band) and Radarsat-2 (C-band) products acquired during Deepwater Horizon Disaster" @default.
- W2019439101 doi "https://doi.org/10.1117/12.2066651" @default.
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