Geological mapping of Santorini Volcanic island (Greece), with the combined use of Pleiades 1A and ENVISAT satellite images |
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| Authors: | Dimitrios Oikonomidis Spyridon Pavlides |
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| Institution: | 1.School of Geology,Aristotle University of Thessaloniki,Thessaloniki,Greece |
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| Abstract: | Very high-resolution (VHR) Pleiades 1A and ENVISAT/ASAR (Advanced Synthetic Aperture Radar) satellite images were used for lithological and tectonic mapping respectively of Santorini island complex, South Aegean, Greece. The results were compared to the existing geological maps of the study area. The extracted, quantitative results within GIS environment, followed by a ground-truth visit, showed that there is some variance in the delineation of the boundaries of certain lithological units on the geological map compared to those on the Pleiades 1A image and that a number of lineaments detected on the ENVISAT image could be incorporated to the faults’ population. As a general conclusion, new findings can be embodied to the existing geological maps. |
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