Figure 4 - uploaded by Artur Gil
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Changes detected with S1 GRD data throughout the 2014/15 eruptive event The values of the total area affected by the lava flow were estimated to be approximately 3.89 km². The result is in relative agreement with other authors' findings when applying different techniques (Table 2).
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Abstract: The last eruption in the Fogo Volcano, which began in November 2014, was the first eruptive event captured by the Sentinel-1 (S1) mission. The present work sought to complement previous research and explore the potential of utilizing data from the Synthetic Aperture Radar (SAR) S1 mission to better monitor active volcanic areas. S1 Ground...
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Context 1
... changes are in line with the detailed description made by Cabral (2015) for this eruptive event. In Figure 4, it is possible to note that some of the areas previously observed as affected by the 2014/15 lava flow were not identified in the change detection procedures with GRD data. It might be explained by the fact that there were no substantial roughness changes in the overlap area of 2014/15 lava flow with that of 1995 which occured at Chã das Caldeiras, as exposed by Bignami et al., (2020). ...
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