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Special Issue 2017
Special Issue 2017
On the evening of November 10, 2014, eight rainfall-induced shallow landslides were triggered on a slope in the lower Lavagna valley (eastern Liguria, Italy). Most of the shallow landslides were channelled as flows into steep hollows and reached the toe of the slope, where some sparse houses were built. One of these landslides impacted and destroyed a building located just at a steep channel outlet, causing two fatalities. Damage affected also agricultural terracing as well as some other buildings and a roa
Special Issue 2017
The Conca di Acerno is an intra-Apennine graben located in the south-western sector of the carbonatic Mts. Picentini (Campania, province of Salerno). In the past, the graben hosted a lake basin, filled lat a later stage by fluvial-lacustrine deposits, cut in turn by the Tusciano River and by the Isca della Serra Creek. The town of Acerno lies on one of the terraced surfaces. Along the banks of the Tusciano River and the Isca della Serra Creek, on the outskirts of the town of Acerno, two important groups of
Special Issue 2017
During the 13 October 2014 rainstorm event that affected the Val Parma and Val Baganza area, several debris flows affected the Mt. Cervellino relief (northern Apennines, Italy), causing severe and widespread damages to check-dams, roads and other infrastructures. Such event, together with the Piacenza province event of 2015, has generated the perception of debris flows as a breaking new potential cause of widespread damages in the Emilia-Romagna. The meteorological event of October 2014, reconstructed by me
Special Issue 2017
A methodological approach to assess the hydrogeological feature in complex hydrogeological situations is proposed. It provided a hydrogeological 3D modelling, supported by hydrogeochemical mapping and integrated interpretation of available data. The proposed methodology was applied to the strategic aquifer of the Nurra district (NW Sardinia, Italy). The finding of this work highlighted that structural history of the Nurra district exerts a relevant control on the hydrogeology and hydrochemistry of groundwat
Special Issue 2017
Between 10th and 11th November, 2014, heavy rainfall over a short period fell on the eastern Genoa metropolitan area. The geo-hydrological event had important ground effects, among them the simultaneous flooding of Entella and Rupinaro streams, in Chiavari city. In lower Lavagna valley, the main tributary of the Entella, a landslide caused two casualties, while serious damage to buildings and infrastructures were registered in Chiavari’s Old Town and in the nearby communities of Carasco and Cogorno. In th
Special Issue 2017
In this paper three different methods have been described and applied to evaluate the nitrate contamination from agricultural practices in a study area located in the Nitrate Vulnerable Zone (NVZ) of the Arborea plain (Sardinia - Italy). Potential risk of contamination and concentration of nitrate pollution in groundwater has been estimated by using respectively Parametric and both Numerical and Artificial Neural Networks methods. Parametric methods consider the combination of intrinsic aquifer vulnerabili
Special Issue 2017
On November 4th 2010, after several days of intense rainfall, a huge mass (about 225000 m3) detached from the debris cover of the Rotolon landslide, converging within the Rotolon Creek river bed, and evolving into a mobile debris flow that damaged various infrastructures, putting on high risk three villages located along the creek banks. After this event the National Department of Civil Protection (DPCN) appointed the Earth Sciences Department of the Firenze University (DST-UNIFI) to start a GB-InSAR (groun
Special Issue 2017
The aim of the paper is to describe the results of the application of a methodology based both on the use of time series analyses and of geospatial analyses of monthly climatic data (rainfall, wet days, rainfall intensity, and temperature), annual maximum of short-duration rainfall (from 1 hour to 5 days), and historical modification of land use in order to characterise the effects of these variables on the occurrence of landslide events. The methodology was applied in the Subappennino Dauno area, located o
Special Issue 2017
This research aims to assess the potential of InfraRed Thermography employed for the remote survey of rock masses, with particular reference to the analysis of rock wedges. The application of such technique in the rock mechanics is a relatively new practice, and only few data are available in the international literature. In this paper, we provide an interesting case study aimed at coupling InfraRed Thermography with geostructural surveys for the stability analysis of rock slopes in northeastern Sicily. Cho
Special Issue 2017
Groundwater management requires the definition of Well-Head Protection Areas (WHPA) for water supply wells. Italian law uses geometrical, chronological and hydrogeological criteria for WHPA identification, providing a groundwater travel time of 60 days for the definition of the Zone of Travel (ZOT). An exhaustive ZOT delineation must involve numerical modeling of groundwater flow together with simulation of the advective component of the transport process. In this context, the spatial variability of hydroge
Special Issue 2017
In this work the results of an integrated geomorphological analysis of a complex landslide in Montebello sul Sangro (Abruzzo, Central Italy) are reported. The study is based on a new morphometric analysis of the drainage network, a multi-temporal geomorphological investigation and a numerical landslide modelling. The multi-temporal geomorphological analysis based on the interpretation of aerial photos, LiDAR data and field geomorphological mapping, allowed outlining the recent geomorphological history and
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