Abstract
ABSTRACTA 1:10,000 scale landslide inventory map has been prepared for the Basilicata region (southern Italy) through extensive geomorphological analyses based on aerial photo-interpretations and field surveys. The study area (about 8000 km2) includes different morpho-structural domains of the southern Italian Apennines, and our results suggest that mass movement processes are mainly related to the intrinsic fragility of the landscape, which is featured by high relief and widespread outcrops of clay-rich deposits. As a matter of fact, the landslides of the inventory map cover about 4.8% of the surface area of the Basilicata region, whereas the total percentage of the area covered by the landslides reaches a value of 7.7%, if one considers also the landslides surveyed in previous works.
Highlights
The knowledge of the spatial and temporal distribution of landslide phenomena is crucial to investigate many issues of landscape evolution and its relationships with human activities and land management
This paper introduces the results of the landslide mapping of the entire regional territory including a large sector of the southern Apennine chain and Bradano foredeep basin
Landslide inventory map has been produced according to the procedure and recommendation of the IFFI national project (Inventory of Landslide Phenomena in Italy, Trigila, Iadanza, & Spizzichino, 2010), In particular, detection and mapping of landslides has been carried out by implementing a classical geomorphological approach based on the multitemporal analysis of stereoscopic aerial-photos and the field control of landslide types, pattern and evolution
Summary
The knowledge of the spatial and temporal distribution of landslide phenomena is crucial to investigate many issues of landscape evolution and its relationships with human activities and land management. Many authors provide detailed studies of a single landslide or landslide phenomena at a catchment scale (Aringoli, Gentili, Materazzi, & Pambianchi, 2010; Bentivenga, Capolongo, Palladino, & Piccarreta, 2014; Bentivenga, Palladino, & Caputi, 2012; Conforti, Muto, Rago, & Critelli, 2014; Conforti, Pascale, & Sdao, 2015; Conforti, Pascale, Pepe, Sdao, & Sole, 2013; Guida, Pelfini, & Santilli, 2008; Gulla’ & Sdao, 2001; Lazzari, Gioia, Piccarreta, Danese, & Lanorte, 2015; Magliulo, Di Lisio, Russo, & Zelano, 2008; Parise & Wasowski, 1999; Pascale et al, 2013; Santangelo, Gioia, Cardinali, Guzzetti, & Schiattarella, 2014; among others), but the usefulness of these maps for land management and planning is rather limited due to their inhomogeneous spatial distribution and the use of different mapping and classification criteria and methods (Guzzetti et al, 2012). This paper introduces the results of the landslide mapping of the entire regional territory (surface area of about 8000 km2) including a large sector of the southern Apennine chain and Bradano foredeep basin (southern Italy). The produced landslide inventory has been statistically compared with the main topographical and lithological features of the study area in order to infer the main predisposing factors promoting
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