12 October 2005 Combined use of SAR and Modis imagery to detect marine oil spills
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Proceedings Volume 5980, SAR Image Analysis, Modeling, and Techniques VII; 59800I (2005); doi: 10.1117/12.627505
Event: SPIE Remote Sensing, 2005, Bruges, Belgium
SAR spaceborne capability to detect marine oil spills through damping of wind-generated short gravity-capillary waves has been extensively demonstrated during past years. In contrast, it has not yet been found the optimal use of optical/NIR imaging sensors for detection and monitoring of polluted areas. We propose the use of Modis images acquired in sun glint conditions to reveal smoothed regions such as those affected by oil pollution. The underlying physical mechanism is based on the modification of the surface slopes distribution composing the roughened sea due to the action of mineral oils. The methodology is demonstrated for selected case studies in the Mediterranean Sea and North Atlantic where spills were detected by ERS SAR imaging. The corresponding Modis images acquired within a few hours were under sun glint conditions according to satellite imaging geometry and wind field distribution over the selected areas. Results of a detailed study about the effective applicability of the method is discussed. The importance of these results are based on the possible extensive exploitation of combined Modis and SAR data in view of the high repetitive coverage (about two times a day).
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Maria Adamo, Giacomo De Carolis, Vito De Pasquale, Guido Pasquariello, "Combined use of SAR and Modis imagery to detect marine oil spills", Proc. SPIE 5980, SAR Image Analysis, Modeling, and Techniques VII, 59800I (12 October 2005); doi: 10.1117/12.627505; https://doi.org/10.1117/12.627505



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