Abstract
In this paper, two simple GIS-based methodologies have been used to assess the landslide susceptibility in a basin located in Southern Italy. The methodologies at issue, based on the spatial distribution of landslides and/or of causal factors, are bivariate statistics-based and expert-based, respectively. The spatial distribution of both the landslides and the causal factors has been investigated by integrating pre-existing and original data, which have been processed using ArcView GIS 3.2 software. The obtained results, consisting of landslide susceptibility maps have been compared and discussed. The bivariate statistics-based method has provided the most satisfying results. On the contrary, the expert-based method has provided a classification of the study area in terms of landslide susceptibility which does not completely fit with the surveyed spatial distribution of the landslides.
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Magliulo, P., Di Lisio, A. & Russo, F. Comparison of GIS-based methodologies for the landslide susceptibility assessment. Geoinformatica 13, 253–265 (2009). https://doi.org/10.1007/s10707-008-0063-2
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DOI: https://doi.org/10.1007/s10707-008-0063-2