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Authors: Fornaciai, A.*
Behncke, B.*
Favalli, M.*
Neri, M.*
Tarquini, S.*
Boschi, E.*
Title: Detecting short-term evolution of Etnean cinder cones: a LIDAR-based approach
Title of journal: Bulletin of Volcanology
Series/Report no.: /72 (2010)
Publisher: Springer
Issue Date: 2010
DOI: 10.1007/s00445-010-0394-3
Keywords: Mount Etna
Scoria cone evolution
Abstract: The 2001 and 2002–2003 flank eruptions on Mount Etna (Italy) were characterized by intense explosive activity which led to the formation of two large monogenetic scoria cones (one from each eruption) on the upper southern flank of the volcano. Continuous monitoring of Etna, especially during flank eruptions, has provided detailed information on the growth of these cones. They differ in genesis, shape, and size. A set of high resolution (1 m) digital elevation models (DEMs) derived from light detection and ranging (LIDAR) data collected during four different surveys (2004, 2005, 2006, and 2007) has been used to map morphology and to extract the morphometric parameters of the scoria cones. By comparing LIDAR-derived DEMs with a pre-eruption (1998) 10 m DEM, the volume of the two scoria cones was calculated for the first time. Comparison of the LIDAR-derived DEMs revealed in unprecedented detail morphological changes during scoria cone degradation. In particular, the morphologically more exposed and structurally weaker 2002–2003 cone was eroded rapidly during the first few years after its emplacement mainly due to gravitational instability of slopes and wind erosion.
Appears in Collections:05.02.03. Volcanic eruptions
Papers Published / Papers in press

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