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Dissertations / Theses on the topic 'Settore GEO/05 - Geologia Applicata'

Author: Grafiati

Published: 20 February 2023

Last updated: 31 July 2025

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1

Mattioli, Annalisa. "Il bacino del fiume Aspio: assetto geo-strutturale, geomorfologia e idrogeologia nell'analisi delle pericolosità idrogeologiche." Doctoral thesis, Università Politecnica delle Marche, 2014. http://hdl.handle.net/11566/242880.

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Obiettivo dello studio è stato individuare, in un’area fortemente antropizzata, le problematiche connesse alla pericolosità da frana, esondazione e inquinamento delle acque. Sono stati indagati gli aspetti geologico strutturali, geomorfologici e idrogeologici del bacino del F. Aspio, rappresentativo di molte realtà territoriali marchigiane, sia per caratteristiche naturali che antropiche legate al rischio. Lo studio geologico-strutturale, basato sul rilevamento di campagna e su dati geofisici e geognostici, ha evidenziato in alcune aree una buona corrispondenza tra strutture plioceniche profon

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2

AMANZIO, GIANPIERO. "Valutazione della vulnerabilità intrinseca di sorgenti in aree montane." Doctoral thesis, Politecnico di Torino, 2014. http://hdl.handle.net/11583/2576136.

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Negli ultimi anni lo studio sulle sorgenti ha acquisito un ruolo sempre più preponderante nel campo ambientale, conseguenza dell’esigenza di definire nel modo più preciso ed univoco possibile le quantità di risorse idriche disponibili per l’approvvigionamento nonché le caratteristiche fisico – chimiche al fine di valutarne l’idoneità al consumo umano e la loro tutela. Il territorio valdostano ha la peculiare caratteristica di possedere su di una superficie ridotta (3263 km2) un numero considerevole di sorgenti (circa 1700 di cui captate circa 600). Da ciò si evince come la salvaguardia e la tu

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3

TADDIA, GLENDA. "Low Enthalpy Geothermal Open Loop Heat Pumps: a suitable tool for thermal energy supply in urban areas." Doctoral thesis, Politecnico di Torino, 2015. http://hdl.handle.net/11583/2617565.

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Geothermal heat pumps represent an interesting technology that is expected to contribute significantly to the reduction of primary energy use for heating and cooling and meet the targets set by the European Union. Additional benefits of this technology are related to the integration with discontinuous energy resources, in particular wind, combining heat and power. The replacement of conventional heating systems such as boilers, with heat pump systems allows the de-localization of emissions of micropollutants from urban centers to the sites in which thermal power stations are operating.

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MOUSAVI, AGHDAM MIRSINA. "MODELLING OF GEOGENIC RADON IN SARDINIA AND HEALTH RISK ASSESSMENT." Doctoral thesis, Università degli Studi di Cagliari, 2021. http://hdl.handle.net/11584/313168.

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Enhanced level of radon in indoor environments such as homes, schools, public buildings and workplaces is considered an important health issue. Provided that radon is responsible for about 3–14 percent of all lung cancers, governments and inter-governmental institutions have issued several rules in the field of radioprotection of people from exposure to radon and its progenies. As one of the main preventive measures in Europe, the 2013/59/EURATOM BSS Directive requires the member states countries to prepare an action plan to address the radon potential source and identify Radon Prone Areas (RP

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5

Ferrari, F. "ROCK MASS CHARACTERIZATION AND SPATIAL ESTIMATION OF GEOMECHANICAL PROPERTIES THROUGH GEOSTATISTICAL TECHNIQUES." Doctoral thesis, Università degli Studi di Milano, 2014. http://hdl.handle.net/2434/231572.

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This thesis deals with geostatistics, which is a branch of statistics focusing on spatial or spatiotemporal datasets, and explores its possible application to rock mechanics, with particular reference to wide areas, located in the Alpine context. The final objective of this work is the estimation (i.e. the prediction), through geostatistical techniques, of the geomechanical parameters determining the quality of rock masses, starting form punctual and scattered sampling locations.This thesis is a contribute in assessing how the rock mass features, in the Alpine geological context, can be r

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TERRENGHI, JACOPO. "FLUSSO IDRICO E TRASPORTO REATTIVO DI CONTAMINANTI IN ACQUIFERI ETEROGENEI E APPLICAZIONI." Doctoral thesis, Università degli Studi di Milano, 2018. http://hdl.handle.net/2434/588054.

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The following study will focus on groundwater flow, contaminant transport and pollutants degradation in environment with heterogeneous geology. The aim is to identify different approaches to model these areas and to evaluate the anthropogenic impact on groundwater, focusing on both quantity and quality of the resource. The study is based on real data coming from an area with heterogeneous geology and complex hydrogeological setting. The selected area is the Venetian Plain (NE Italy) because several geological, hydrogeological and hydrological data are collected in a sizeable database rea

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Rossi, M. "Fenomeni di erosione di versante in ambiente alpino : sperimentazione, monitoraggio e modellazione nel bacino pilota della Valchiavenna." Doctoral thesis, Università degli Studi di Milano, 2009. http://hdl.handle.net/2434/62409.

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Lo scopo della presente ricerca è la definizione di una nuova metodologia per la valutazione degli apporti di sedimento all’interno di un bacino alpino. Si è scelto come area campione il bacino della Val Febbraro (Sondrio), scelta in base alla presenza di differenti processi a differente scala (erosione incanalata, frane in terra, in roccia, processi di erosione del suolo, conoide allo sbocco della valle, deformazione gravitativa profonda di versante - DGPV). In epoca recente il bacino è stato interessato da differenti processi d’instabilità; infine nel bacino si trovano differenti elementi

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8

FETISOVA, NATALYA. "Assessment of groundwater vulnerability to pollution on the territory of the Upper Kama salt deposit." Doctoral thesis, Politecnico di Torino, 2012. http://hdl.handle.net/11583/2497623.

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9

LO, RUSSO STEFANO. "La carta idrogeologica schematica del Piemonte: strumento per la pianificazione delle risorse idriche sotterranee." Doctoral thesis, Politecnico di Torino, 2004. http://hdl.handle.net/11583/2499538.

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Lo scopo principale del lavoro è quello di presentare il quadro generale delle risorse idriche sotterranee della Regione Piemonte allo stato attuale delle conoscenze e ad una scala adeguata ad una pianificazione a carattere regionale. La prima parte del lavoro descrive il quadro generale della legislazione comunitaria, nazionale e regionale in materia di risorse idriche sotterranee. Il lavoro prosegue fornendo un breve inquadramento territoriale della Regione Piemonte riportando alcuni dati essenziali, di carattere generale, al fine di fornire informazioni sullo stato del comparto idrico regi

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10

Agostini, Laura. "Geological and Hydrogeochemical Characterization of Lake Garda - Lessini Mountains' Thermal Zone." Doctoral thesis, Università degli studi di Padova, 2016. http://hdl.handle.net/11577/3427243.

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The purpose and scope of this PhD thesis is to define the possibility of utilizing the geothermal resources in the North East of Italy and, precisely, in the Province of Verona. Since Roman times hot springs in the Verona province have been used in Sirmione and Caldiero. After the XIXth century other geothermal anomalies were observed and, consequently, new wells were built. A study of the groundwater circulation and of the features of the reservoir can lead to a sustainable exploitation of this resource. A tectonic-structural review of the area, shows that there is a link with the geological

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Palpacelli, Stefano. "Tecniche e metodologie per la caratterizzazione idrodinamica degli acquiferi fessurati." Doctoral thesis, Università Politecnica delle Marche, 2013. http://hdl.handle.net/11566/242556.

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L’attività di ricerca che è stata sviluppata durante il dottorato ha approfondito ed affinato metodiche che hanno visto l’impiego di traccianti di comune utilizzo in idrogeologia e di nuova generazione, verificandone eventuali interazioni/assorbimento con materiali rappresentativi degli acquiferi di differenti domini idrogeologici dell’Italia centrale. In particolare l’utilizzo di un biotracciante (molecole di DNA), sperimentato in ambito scientifico internazionale fino ad ora solamente nello studio di acque superficiali, ha consentito di mettere a punto una nuova metodologia nello studi

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LAVY, MURIEL. "Utilizzo di modelli di analisi GIS e strumenti di acquisizione innovativi per la caratterizzazione idrologica e geomorfometrica dei bacini montani: Il caso studio del bacino di Mascognaz (Valle d'Aosta)." Doctoral thesis, Politecnico di Torino, 2017. http://hdl.handle.net/11583/2678847.

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Il lavoro descritto all’interno di questa tesi di dottorato ha permesso di individuare una metodologia speditiva per l’analisi idrologica e geomorfometrica dei bacini montani. Il test site utilizzato in questo lavoro di ricerca è il bacino montano del vallone di Mascognaz, situato nel comune di Ayas della regione Valle d’Aosta. In particolare l’attività di ricerca si è sviluppata nell’ambito della convenzione di ricerca denominata “Supporto metodologico alle attività svolte e di ricerca e di sviluppo di procedure di gestione delle situazioni di rischio nell’ambito della difesa del suolo e dell

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MENEGATTI, STEFANIA. "Le vie dell'arsenico:dal comparto abiotico e quello biotico." Doctoral thesis, Politecnico di Torino, 2011. http://hdl.handle.net/11583/2498625.

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La presente ricerca ha perseguito l’obiettivo di fornire un panorama sulla presenza dell’arsenico nelle acque destinate al consumo umano e nelle risorse idriche sotterranee in Piemonte considerando i fattori naturali e antropici. Lo studio è stato realizzato con l’intento di dare un importante contributo nel fornire indicazioni circa il possibile rischio di accumulo dell’arsenico lungo la catena alimentare, a partire da suoli e acque inquinate, attraverso specie vegetali utilizzate per l’alimentazione umana e animale. E’ noto, infatti, che la più importante via d’esposizione dell’uomo all’arse

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MOITRE, BARBARA. "STUDIO IDROGEOCHIMICO SUL CONTENUTO DI LANTANIDI NELLE ACQUE SOTTERRANEE." Doctoral thesis, Politecnico di Torino, 2013. http://hdl.handle.net/11583/2507430.

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La presente Tesi di Dottorato si propone di affrontare lo studio sul contenuto dei lantanidi (Lantanio, Cerio, Praseodimio, Neodimio, Promezio, Samario, Europio, Gadolinio, Terbio, Disprosio, Olmio, Erbio, Tulio, Itterbio, Lutezio) nelle acque sotterranee appartenenti ad acquiferi impostati in diversi contesti litologici, al fine di verificare la possibilità di usare questi elementi come impronta specifica del complesso idrogeologico in cui risiede l’acquifero. Tale caratterizzazione è stata sempre eseguita attraverso il contenuto degli elementi maggiori disciolti in acqua, che hanno portato a

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MARCHIONATTI, FEDERICO. "L’interazione dei grandi scavi in sotterraneo con gli acquiferi." Doctoral thesis, Politecnico di Torino, 2014. http://hdl.handle.net/11583/2543958.

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L’obiettivo della ricerca è stato quello di definire un approccio metodologico da applicare per lo studio delle interferenze tra un acquifero e un’opera sotterranea. Tale approccio vuole essere uno stimolo ed un contributo alla definizione di una procedura riconosciuta e standardizzata a livello normativo per lo studio delle interferenze acquifero-opera sotterranea in ambito idrogeologico. Lo studio dell’interazione tra acquifero ed opere in sotterraneo non può prescindere dalla conoscenza e dall’applicazione dell’apparato normativo in materia di monitoraggio ambientale, qualità delle acque

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Trevisani, Sebastiano. "Geostatistica nel contesto idrogeologico ed ambientale." Doctoral thesis, Università degli studi di Padova, 2005. http://hdl.handle.net/11577/3426532.

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This thesis is concerned with environmental and hydrogeological issues approached by geostatistical methods. All the afforded issues have a common and difficult task to deal with. In particular, there is the need to build the complete spatial distribution of a studied property in a given spatial (or spatiotemporal) domain, using a limited number of unevenly spaced samples and using “expert knowledge”. Unfortunately this is a difficult task affected by uncertainty. Uncertainty about the real complete spatial distribution of the studied property arises from the complexity and heterogeneity of p

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ZHAO, YE. "Groundwater potential risk of agricultural activity in Vercelli Plain, North Italy." Doctoral thesis, Politecnico di Torino, 2013. http://hdl.handle.net/11583/2507428.

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As the increasing population and food consumption, more and more agriculture and natural resources are needed to keep the pace with the demands. To meet this gap, land expansion and land intensification are required, which consequently lead to problems like climate change, biodiversity loss and degradation of land soil and water bodies. Therefore, the principal challenge of agriculture expansion in the following decades, will be achieving an appropriate equilibrium between sufficient food and fiber production for the growing global population and meanwhile minimizing environmental cost. Agroch

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GNAVI, LORETTA. "Deep water challenges: development of depositional models to support geohazard assessment for submarine facilities." Doctoral thesis, Politecnico di Torino, 2016. http://hdl.handle.net/11583/2651541.

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Turbidity currents occur in many submarine settings, from shallow to deep water, and may transport large volumes of sediment over low angle (<0.01°) slopes, reaching speeds of ~20 m/s. These flows pose a serious risk to offshore seafloor oil and gas infrastructure. A great number of uncertainties exists in terms of their triggers, frequency and behaviour: most of the present understanding comes from outcrops studies, cores and flume tank experiments, but there are significant limitations related to scaling issues. Large and fast turbidity currents may break pipelines with catastrophic hydr

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Busnardo, Enrico. "Studio dei fattori geotecnici e mineralogici che inducono fenomeni di instabilità nelle coltri di alterazione dei depositi vulcanici terziari nel settore pre-alpino della Provincia di Vicenza." Doctoral thesis, Università degli studi di Padova, 2016. http://hdl.handle.net/11577/3424347.

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During rainy periods, landslides frequently hit the hilly region of the Vicenza province, involving weathered Tertiary Volcanic deposits and inducing damages to human activities. Our attention was focused on Marostica hills, that was one of the most affected area. In order to define the relationship between landslides and most important landslide conditioning factors a spatial analysis was performed. Then a geotechnical model derived from technical reports was implemented: physical parameters (particle size and Atterberg limits) of deposits involved in the mass movements were investigated to r

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Tessari, Giulia. "Caratterizzazione e modellazione di fenomeni geologici di instabilità attraverso tecniche di telerilevamento satellitare e simulazioni numeriche." Doctoral thesis, Università degli studi di Padova, 2015. http://hdl.handle.net/11577/3424125.

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Analyses of ground displacements can help to define the evolution of areas affected by instability phenomena and identify their triggering factors. To this end, Synthetic Aperture RADAR (SAR) satellite data can be used to collect direct measurements of superficial deformations in instability-prone areas. Results from remote sensing analyses can be then compared with outcomes from numerical simulations, and in particular with displacement or velocity fields, to validate numerical modeling and eventually recalibrate the simulation of instabilities, predisposing and triggering conditions. Numer

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Sanvitale, Nicoletta. "An experimental study on saturated granular flows and its application to the physical modelling of debris flows." Doctoral thesis, Università degli studi di Padova, 2010. http://hdl.handle.net/11577/3421565.

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“Flow” in saturated granular materials may describe behaviours that ranges from gently moving sediments in coastal or alluvial situations, through post-liquefaction lateral spreading of sloping ground as triggered by earthquakes and finally, to fast moving mixtures of soil and rock, in the case of mud and debris flows. The present Ph.D. work addresses the study of flows in the context of the high-speed movement of saturated granular materials moving down slope under the influence of gravity. Such flows as occur in nature are termed “debris flows”. This study has been undertaken following two

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Fiaschi, Simone. "Differential Radar Interferometry Applied to the Detection and Monitoring of Geological Hazards." Doctoral thesis, Università degli studi di Padova, 2017. http://hdl.handle.net/11577/3424575.

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We live in a constantly changing environment, characterized by climate changes, extreme weather events and the occurrence of more frequent geological hazards that have a strong negative impact on the territory and society, interrupting services, damaging buildings and infrastructure and jeopardizing the life of millions of people worldwide. For this reason, there is the need to build a society resilient to natural-hazards, which can understand how the natural system behaves and responds to natural and human-induced modifications and can adapt to these changes. The monitoring of the territory i

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Cultrera, Matteo. "HYDROGEOLOGICAL SURVEYS AND ANALYTICAL APPLICATIONS OF THE VENETIAN AQUIFER SYSTEM. IMPLEMENTATIONS OF SAFETY MEASURES FOR THE VENICE LAGOON AREA." Doctoral thesis, Università degli studi di Padova, 2010. http://hdl.handle.net/11577/3422386.

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In the study area (Venetian hinterland, Porto Marghera) there is an average of a few hundred artesian wells (80-350 m in depth) drilled between 1910-1970 and later abandoned. These wells represent a means through which the artesian waters rise; therefore a dispersion process takes place between the groundwaters in the Shallow Aquifer System (0-80 m) and those in the deep artesian aquifers (Artesian Aquifer System, 80-350 m below ground level), in which the hydraulic head has steadily risen for the last 40 years. In this instance the shallow aquifers (about 0-30 m) could be subjected to a recha

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Moro, Francesca. "Snow avalanches: hazard maps and passive defence structures." Doctoral thesis, Università degli studi di Padova, 2009. http://hdl.handle.net/11577/3426859.

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In Alpine regions snow avalanches are a severe threat for human settlements, activities, and infrastructures. Such natural phenomena may be of two types: powder avalanches and dense snow avalanches. The countermeasures against powder avalanches consist in preventing the initiation of the motion by means of active structures built in the detachment area, or artificially triggering avalanche events. Passive defence structures along the path and in the run-out zone can instead be very effective in deflecting, retarding, or stopping dense snow avalanches. In this thesis some aspects of dense sno

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Pola, Marco. "Revisione del modello idrotermale del bacino termale euganeo alla luce delle nuove conoscenze in ambito idrogeologico e geologico strutturale." Doctoral thesis, Università degli studi di Padova, 2012. http://hdl.handle.net/11577/3422516.

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The Euganean geothermal field (EGF) is the most important thermal field in the northern Italy. It is located in the Veneto alluvial plain, southwest of Padova (NE Italy), close to the northeast margin of the Euganei Hills. The aim of the PhD thesis is to review the hydrothermal model of the thermal system, using the new knowledge in structural geology and hydrogeology. The proposed hydrothermal model emphasises the role that one of the most important regional geological structure, i.e. the Schio–Vicenza fault system (SVFS), plays in the flow of thermal waters from the recharge area to the EGF

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GIGLIO, ELENA. "The future of energy transition between critical materials and geopolitics. Lithium and the South American context." Doctoral thesis, Politecnico di Torino, 2022. http://hdl.handle.net/11583/2963948.

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GALIANO, ILARIA CINZIA. "Caratterizzazione idrogeologica dell'area costiera di Arborea." Doctoral thesis, Università degli Studi di Cagliari, 2015. http://hdl.handle.net/11584/266588.

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This work aims to the hydrogeologica l characterization of the Bonifica d i Arborea coastal area, an interesting site on the hydrogeologica l , geological and also historical and geographical point of view. Agricultural practices that rely on the use of fertilizers and cattle manure for enhancing soil productivity, accompanied by the intensive use of groundwater resources, have made this area particularly vulnerable to nitrate contamination,and pursuant to the Regional Government resolution n. 1/12 of 18/01/2005, the Bonifica d i Arborea has been designated as a Nitrate Vulnerable Zone

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FRIGERIO, IVAN. "SCENARI DI RISCHIO E SISTEMI DI SUPPORTO ALLE DECISIONI PER LA GESTIONE DELLE EMERGENZE IDROGEOLOGICHE." Doctoral thesis, Università degli Studi di Milano, 2012. http://hdl.handle.net/2434/169988.

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The aim of the work in this PhD project is to perform a hydrogeological risk analysis that can be an useful management tool for Civil Protection and policy makers to take decisions about environmental planning. The study has been conducted in the Mountain Consortium of Municipalities of Valtellina di Tirano. The area is located in Sondrio province and it is composed of twelve municipalities, covering a global area of 450 km2. The majority of municipalities lie on alluvial fan and along Adda River. The conformation of the territory is the cause of the high vulnerability of Valtellina Valley, ma

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SUOZZI, ENRICO. "Analisi dei dati derivanti da una stazione meteorologica sperimentale al fine di quantificare e proteggere la risorsa idrica nei bacini montani." Doctoral thesis, Politecnico di Torino, 2012. http://hdl.handle.net/11583/2498307.

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Il presente lavoro offre un approccio metodologico innovativo per lo studio del ciclo idrogeologico in ambiente montano. Gli effetti della fusione della neve e del ghiaccio sono infatti di grande importanza nella gestione delle risorse idriche nell’aree interessate da copertura nevosa stagionale o permanente. Uno studio completo, dunque, deve considerare i fenomeni riguardanti l'accumulo del manto nevoso nel periodo invernale e relativa fusione nel periodo primaverile-estivo. Per far fronte a questa necessità si è progettata e installata una stazione meteorologica sperimentale, con lo scopo di

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Stevenazzi, S. "TIME-DEPENDENT METHODS TO EVALUATE THE EFFECTS OF URBAN SPRAWL ON GROUNDWATER QUALITY." Doctoral thesis, Università degli Studi di Milano, 2016. http://hdl.handle.net/2434/359710.

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As groundwater resources are becoming more vulnerable due to the increasing number of contamination sources in developed and developing countries (such as urbanization and agricultural activities), practical actions, strategies and solutions to protect the resource are widely required. The most efficient tool, which helps supporting land use development, while protecting groundwater from contamination, is represented by groundwater vulnerability assessment. European Directives require member states, for the protection of groundwater quality, to assess the current groundwater quality status, de

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Zorzi, Luca. "From Deep Seated Gravitational Movements to Rock Avalanches: the role of failure mechanism in sudden rock collapse." Doctoral thesis, Università degli studi di Padova, 2013. http://hdl.handle.net/11577/3423128.

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This project is focused on understanding the processes of failure evolution (from triggering to propagation) and deformation mechanisms of Deep Seated Gravitational Movement (DSGSD) and Rock Avalanches (RA) in massive brittle rock slopes. In particular, the focus of this work is directed to the failure mechanism of these phenomena, the influence of failure mechanisms on the slope stability and dynamics of the collapse. This research aims to improve the understanding and modeling of brittle fracture and progressive failure in massive metamorphic rock slopes though a combination of structural g

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Folchi, Vici d'Arcevia Clemente. "Implementazione e sperimentazione di una banca dati in ambiente GIS per l'analisi del rischio idrogeologico." Doctoral thesis, Università Politecnica delle Marche, 2012. http://hdl.handle.net/11566/242103.

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Si è implementata, sviluppata e sperimentata una banca dati in ambiente GIS finalizzata al corretto controllo, gestione e pianificazione del territorio per l’analisi del cosiddetto rischio idrogeologico. Dopo aver ricordato la drammatica situazione italiana, in cui fenomeni quali frane, alluvioni e inquinamenti popolano quotidianamente la stampa e i mezzi di comunicazione più in generale, richiamando l’attenzione sull’assoluta necessità di una corretta pianificazione ed uso del territorio, si è evidenziato come la necessità di gestire da un lato una notevole quantità di informazioni mul

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MACERONI, Deborah. "Cartografia prototipale di faglie attive e capaci in relazione alla distribuzione di sorgenti sismogenetiche." Doctoral thesis, Università degli studi di Cassino, 2022. https://hdl.handle.net/11580/90764.

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An "active and capable fault" (ACF) defines an active fault able to permanently dislocate the ground surface, while a "seismogenic source" (SS) is a fault capable of generating earthquakes. When the deep coseismic rupture along a SS propagates towards the surface, the latter can be permanently dislocated. Consequently, the geological features of an ACF could be considered the surface expression of the deep activity of a SS. For example, the geological studies, carried out before the seismic sequences of central Italy along the faults responsible for the main earthquakes of 2009 and 2016-201

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GIZZI, MARTINA. "Geothermal resources exploitation from disused hydrocarbon wells: simplified tools for a reuse strategies analysis." Doctoral thesis, Politecnico di Torino, 2022. http://hdl.handle.net/11583/2966345.

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FODDIS, MARIA LAURA. "Application of artificial neural networks in hydrogeology: identification of unknown pollution sources in contaminated acquifers." Doctoral thesis, Università degli Studi di Cagliari, 2011. http://hdl.handle.net/11584/266347.

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Sorichetta, A. "GROUNDWATER VULNERABILITY ASSESSMENT USING STATISTICAL METHODS." Doctoral thesis, Università degli Studi di Milano, 2011. http://hdl.handle.net/2434/152913.

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Groundwater vulnerability maps are considered as an essential component for sustainable environmental planning and management. Statistical methods are increasingly being used to produce scientifically defensible groundwater vulnerability maps which meaningfulness and reliability however must be carefully evaluated before being distributed. The Weigth of Evidence method (WofE) was used for assessing groundwater vulnerability to nitrate contamination of two different aquifers with the aim of testing its robustness as exploratory and predictive tool and addressing more general issues related to

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Camera, C. A. S. "STABILITY ASSESSMENT OF TERRACED SLOPES: FIELD DATA AND NUMERICAL MODELLING." Doctoral thesis, Università degli Studi di Milano, 2012. http://hdl.handle.net/2434/169983.

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This work is finalized to the assessment of the stability of terraced slopes. The study therefore includes the understanding of the failure mechanisms of these particular slopes and the quantification of the influence of hydrogeological and mechanical parameters of dry stone walls and backfill soils both at a large and at a detailed scale. The study was performed in Valtellina. In particular, the slope chosen as study area is the one uphill of the small village of Tresenda, that in 1983 and 2002 was affected by soil slip/debris flow events that caused victims (only in 1983) and severe damages

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RAIMONDI, LUCA. "Valutazione e mitigazione dei rischi geo-idrologici derivanti da eventi catastrofici nell'area del Parco Nazionale delle Cinque Terre." Doctoral thesis, Università degli studi di Genova, 2020. http://hdl.handle.net/11567/1007965.

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This research is included in the field of studies for the evaluation and mitigation of geo-hydrological risks deriving from catastrophic rainfall events conducted in the Cinque Terre National Park area (Liguria) by the Department of Earth Sciences of the Environment and Life of University of Genoa (Italy). This activity made it possible to create and test a mathematical simulation model, in a physically based GIS environment, capable of carrying out 3D slope stability analysis (extended to a spatial domain) according to the pluviometric conditions assumed in the calculations. The experiment

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Janna, Carlo. "Modellazione Numerica del Comportamento Meccanico delle Faglie Regionale per il Confinamento Geologico della CO2 Antropica." Doctoral thesis, Università degli studi di Padova, 2008. http://hdl.handle.net/11577/3425134.

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The pressure variation induced by CO2 injection into deep geological formations and the resulting stress perturbation may activate pre-existing faults or cause the generation of new ones. These fractures may represent a preferential path for the escape of the injected gas, damage or even break the injection/extraction wells, give rise to microseismic phenomena and have an impact on the ground deformations. Numerical simulations by traditional finite elements (FE) cannot address this problem due to the compatibility condition which prevents relative movements between adjacent elements. In this

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Dalla, Santa Giorgia. "Effetti sulle proprietà meccaniche, idrauliche e termiche prodotti da scambiatori geotermici nei terreni argillosi: il caso studio della città di Venezia." Doctoral thesis, Università degli studi di Padova, 2016. http://hdl.handle.net/11577/3425232.

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In Ground Source Heat Pump systems (GSHP) a continuous circulation of a fluid inside the exchangers installed in the ground transfers heat between the ground and the buildingâs conditioning system. The heat exchange connected to a GSHP has been shown to alter the natural thermal status of the surrounding subsoil (Banks, 2012). Often the carrier fluids are brines consisting of a mixture of water and anti-freezing solutions, which lower their working temperature in order to improve the heat extraction from the ground during the cold season. The international community has already pointed out t

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MUZZILLO, ROSALBA. "Hydrogeology and numerical modeling of coastal groundwater resources focusing on salinization risk in the Metaponto plain (Basilicata, southern Italy)." Doctoral thesis, Università degli studi della Basilicata, 2023. https://hdl.handle.net/11563/162866.

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Coastal aquifers, defined as the domains where fresh continental groundwater and seawater meet (Post, 2005), represent a valuable source of water supply, but they are highly vulnerable to natural and anthropogenic changes. The phenomenon of seawater intrusion (SWI), defined as the movement of salt water invading freshwater aquifers, represents the most typical hydrogeological problem for coastal aquifers. SWI is one of the primary causes of groundwater being unsuitable for drinking and irrigation. It also affects coastal environments by changing the soil chemistry, reducing fertility, and imp

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BOTTACCHI, Marta Caterina. "Studio dell’efficacia dell’OhmMapper (Geometrics Inc.) per indagini geoelettriche in contesti archeologici." Doctoral thesis, Università degli studi di Ferrara, 2010. http://hdl.handle.net/11392/2389294.

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The research project carried out during the PhD work aims to study the effectiveness of the OhmMapper (Geometrics Inc.) capacitive-coupled resistivity system in archaeological contexts. In order to verify the effectiveness of this resistivity-meter to identify archaeological features, we realized a systematic surveys in the Geophysical Test Site of Rovereto (TN - Italy). In particular we compared both resistance and resistivity profiles realized by OhmMapper capacitively coupled resistivity-meter and by the Terrameter SAS 1000 (ABEM) galvanic resistivity meter. We realized these surveys

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DUCA, Francesca. "Geomatica e Multimedia per la documentazione del Patrimonio paesaggistico e culturale: nuove tecnologie integrate per il miglioramento dei processi di rilevamento, gestione e diffusione delle conoscenze tramite Web. Il ruolo delle immagini e della rappresentazione." Doctoral thesis, Università degli studi di Ferrara, 2012. http://hdl.handle.net/11392/2388774.

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Modern solutions today available in Geomatics and Information Technology offer great potential in the field of cultural heritage and landscape documenation in every step of recording, visualization, dissemination and communication. In this way the research aims to examine issues related to the integrated application of these technologies to improve knowledge on cultural heritage and landscape and the dissemination through web. The first part explores the themes of landscape and his representation, defining the theoretical principles of the study. Two cases are presented based on the e

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Superchi, Laura. "The Vajont rockslide: new techniques and traditional methods to re-evaluate the catastrophic event." Doctoral thesis, Università degli studi di Padova, 2012. http://hdl.handle.net/11577/3425816.

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The Vajont landslide is one of the largest catastrophic slope failures of the past century. About 270 million m3 of limestones, mudstones and marls slid into the Vajont Reservoir on October 9, 1963, producing a displacement wave that overtopped the dam and killed over 2000 people in the valley below. Although the landslide has been extensively studied over the past several decades, its morphologic and structural controls, mechanisms, and dynamics are not completely understood yet. The first step in carrying out the research was the implementation of a bibliographic and geographic electronic ge

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Merri, A. "AMMASSI ROCCIOSI FRATTURATI: MODELLAZIONE DEL RETICOLO DI FRATTURAZIONE, EFFETTI SULLA CIRCOLAZIONE IDRICA E SULLA STABILITÀ." Doctoral thesis, Università degli Studi di Milano, 2011. http://hdl.handle.net/2434/152905.

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Rock joint characterization is a very complex task due to the heterogeneity and spatial variability of the fracture parameters. This PhD thesis is aimed to model a discrete fracture network and assess the effects of fracture properties on fluid flow and rock mass stability. Data were collected on a quartz rock mass well exposed both on surface and underground, along a well developed network of mining tunnels. A large number of structural and geomechanical data were collected and analysed by statistical procedures. Distribution and probability density function of fracture parameters were deri

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ARMETTI, GIACOMO. "GEOMECHANICAL CHARACTERIZATION OF ROCK MASSES FOR TUNNEL EXCAVATION WITH TBM." Doctoral thesis, Università degli Studi di Milano, 2019. http://hdl.handle.net/2434/612954.

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The prediction of Tunnel Boring Machine (TBM) performances and the comprehension of the relationship between the geological, mechanical and structural features of a rock mass and the machine behaviour are fundamental in order to select the most effective tunnel construction methods and to estimate the condition of excavation in terms of time and economic costs of the infrastructure. The general purpose of this work is to carry out predictive models utilisable during the early stage of tunnel planning and realisation; for this purpose, many approaches have been considered. Simple and multiple

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VOLTOLINA, DEBORA. "WILDLAND SURFACE FIRE BEHAVIOUR: A SPATIAL SIMULATION MODEL FOR OPERATIONAL EMERGENCY MANAGEMENT." Doctoral thesis, Università degli Studi di Milano, 2021. http://hdl.handle.net/2434/848088.

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Wildfires affect vegetation dynamics, geomorphological processes, biogeochemical cycles, atmospheric chemistry, and climate, posing a severe threat to human lives and activities interacting with the natural system. As both fire activity and wildland-urban interface exposure are expected to increase under future climate projections, the improvement of our ability to promptly predict wildland fire behaviour, in terms of expected intensity and geographic patterns, has become a tangible need. The general purpose of this research is to investigate on wildland surface fire behaviour simulation mode

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SECCI, ROMINA. "Comparazione fra metodiche per la valutazione della vulnerabilità all’inquinamento degli acquiferi. Applicazione all’acquifero del Sulcis Iglesiente." Doctoral thesis, Università degli Studi di Cagliari, 2011. http://hdl.handle.net/11584/266322.

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The assessment of the vulnerability of aquifers is a key instrument for planning the methods of environmental resources protection. This research compares three scoring and weighting methods to assess the intrinsic vulnerability of the carbonate type aquifer systems. In particular, we have applied the SINTACS method (Civita, 1994), the EPIK method (Doerfliger N., Jeannin PY, Zwahlen F., 1999) and the COP method (Vias et al., 2006) to the carbonate Sulcis Iglesiente aquifer. The study focused on the area of the socalled "small Metal ring”, near the town of Iglesias, in the south of Sardin

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Dallavalle, Daniele. "Flussi granulari in laboratorio e sul campo: rilievo 3-dimensionale dinamico mediante tecniche fotogrammetriche terrestri." Doctoral thesis, Università degli studi di Padova, 2014. http://hdl.handle.net/11577/3423837.

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The topic about which the research was developed is the study of some aspects of the dynamics of granular masses. The study was conducted simultaneously in the laboratory and in the field. In the laboratory, the aim was to investigate the experimental photogrammetric surveying techniques, with a view to their application in the field and in favor of a use for the calibration of mathematical and numerical dynamic models. In the field, the goal was to give continuity to the research activity at a debris flows dolomite site, already studied in the recent past, and to evolve the tec

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ENGIDASEW, TESFAYE ASRESAHAGNE. "Engineering geological characterization of volcanic rocks of ethiopian and sardinian highlands to be used as construction materials." Doctoral thesis, Università degli Studi di Cagliari, 2014. http://hdl.handle.net/11584/266456.

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This thesis presents the results of the study conducted on the “Geoengineering characterization of volcanic rocks from Ethiopian and Sardinian highlands to be used as construction materials”. Though, the two project areas are geographically far apart, both are partly covered with volcanic rocks mainly consisting of basic and subordinate felsic rocks. The research was conducted in two countries; part I, the Ethiopian Project area located on the northwestern central Highlands of the Amhara regional state. It is characterized by rugged topography being situated on the western margin of the

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