Geomorphological, nivo-meteorological and seismic analysis of snow avalanches release areas in Central Italy, January 2017
Alessio Gentile
Geomorphological, nivo-meteorological and seismic analysis of snow avalanches release areas in Central Italy, January 2017.
Rel. Barbara Frigo, Igor Chiambretti. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Per L'Ambiente E Il Territorio, 2019
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Abstract
This paper concerns the geomorphological, nivo-meteorological and seismic analysis of snow avalanches release areas in Central Italy in January 2017. The whole analysis was performed using GIS supports. The largest magnitude snow avalanches, occurred in the Central Apennines in January 2017, were obtained following a photo-interpretation work carried out on high resolution satellite images. From these events it was possible to extract the snow avalanches release areas. In addition, two algorithms for PRA (Potential Release Areas) delineation have been implemented and their results were compared with real release areas extracted from photo-interpretation work. Starting from DEM SRTM (30 m), the geomorphological analysis was developed.
It led to a statistical characterization of main topographic attributes (elevation, slope, aspect and curvature) of snow avalanches release areas
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