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2023
2022
- Tetiana Sheremet: The 1991 Randa rockslide slope stability modeling in 2D&3D
The Swiss Alps, despite their breathtaking beauty, can hide many dangers such as structural instability. These can be caused by open fractures and ruptures resulting in a scree of several million cubic meters. Due to the extreme danger of this ... - Justine Chaubert: Les divers processus de l’éboulement du Ban du For
In Switzerland, the canton of Valais is one of the cantons most affected by natural hazards such as debris flows, landslides or rockslides. In January 2018, a landslide of about 5000m3 occurred at the Col de la Forclaz, more precisely ... - Joëlle Jeltsch: Processus et aléas des laves torrentielles du bassin versant de Chamoson (Valais, Suisse)
The canton of Valais in Switzerland is heavily affected by debris flows. In 2018 and 2019, the village of Chamoson was affected by these destructive phenomena. These debris flows caused a lot of damage and the one in 2019 left ... - Maxime Mignot : Etude de l’influence des systèmes structuraux dans l’effondrement des falaises de Haute-Normandie : analyse structurale et modèles analogiques.
Le recul des falaises normandes est un processus multifactoriel et constitue un aléa important pour ces régions côtières. Ce travail s’inscrit dans la continuité des projets visant à établir une meilleure compréhension des modalités et de la dynamique de l’érosion ... - Amalia Gutiérrez : Geological, geometrical, and statistical analysis of landslides and rockfalls listed in Ticino during the last 20 years
In the south of Switzerland, the canton Ticino corresponds to the transition from a pre-Alpine to a fully Alpine setting. It is exposed to great number of natural hazards, including gravitational movements, due largely to its topography and climate. Rockfalls, ... - Joëlle Hélène Vicari : Rock instability hazard in high mountain area: the example of the Brenva spur (Mont Blanc massif)
Rockfalls and mass movements in the Mont Blanc Massif (MBM) are increasing due to climate change and can affect humans, mountaineering routes, infrastructures, and nearby villages. Monitoring high mountain rock face is often challenging, and remote techniques can help detect ...
2021
- Delphine Bossuat Pahud: Evaluation de la fiabilité de l’interférométrie radar satellitaire pour la gestion du risque de glissement de terrain (Vallée d’Aoste, Italie)
As part of the management of risks arising from slope instabilities, the acquisition of interferometric radar (InSAR) datas offer an attractive and relatively inexpensive solution. As this science is evolving, there are many possibilities for exploiting this data. The Aosta ... - Cristiano Gygax: Scanner LiDAR terrestre à faible coût basé sur Arduino
La recherche de solutions d’équipement à faible coût en géomatique et dans d’autres domaines est un thème abordé par un nombre croissant de chercheurs. Aujourd’hui, les ressources open-source du web, la disponibilité à des prix très abordables d’équipements électroniques et ... - Céline Cardot: La Mono-photogrammétrie comme méthode de suivi des mouvements gravitaires: évaluation du potentiel et des limites
Ce travail de recherche s’intéresse à l’utilisation de la Mono-photogrammétrie (Mono-P) en tant que méthode de suivi de mouvements gravitaires dans un environnement rocheux. La Mono-P relie les données orthorectifiées d’un modèle numérique de terrain 3D représentant le monde réel ... - Marc Auer: Monitoring multi-technique du glissement de terrain du Pont-Bourquin (Les Diablerets)
Le but de ce travail est d’étudier l’évolution en surface du glissement du Pont Bourquin. Actif depuis 2004, il affecte des unités de gypse, flysch et schistes. D’une profondeur de 20-30m l’instabilité active glisse de manière rotationnelle dans sa partie ... - John Awad: Real-Time Automated SfM Monitoring for Landslides
A real-time, automated SfM monitoring technique was adapted and tested on the Pont Bourquin landslide in Ormont-Dessus, Switzerland, and on a small scale model in the lab. The technique involved automatically taking photos from different positions, sending them to a ... - Adrien Jeannerat: Evaluation et analyse des dangers de chute de blocs entre le Pic Chaussy et La Pare (VD)
L’objectif général de ce travail est d’évaluer et d’estimer le danger lié aux chutes de blocs le long de la chaine entre le Pic Chaussy et La Pare, au-dessus du village des Diablerets et d’établir les cartes des dangers pour ...
2020
- Baptiste Englert: Reconstruction de trajectoires 3D et calcul de paramètres d’impact latéraux dans le contexte des chutes de pierres par une méthode de tracking et une expérience à petite échelle
The modeling of block falls in order to establish forecasts of their scope and magnitude has been evolving for several years, due to the use of new tools and methods for calculating trajectories. In order to confirm the validity of ... - Vincent Regard: Synthesis and Exploration of Rock’s Alterations due to Thermal Stress Under the
Superficial alteration of rocks caused by thermal stresses is often overlooked to the benefit of other mechanism such as frost shattering, rain or earthquakes. However its effect can be significant especially in dry hot places where other mechanisms are rare. ... - Léna Maillard: Les comportements d’une paroi rocheuse face aux changements thermiques journaliers
The aim of this thesis is to understand the behaviour of rock with regard to heat transfers between the rock face and its environment but also within the rock itself. To do so, a 24h monitoring during the summer and a 24h ...
2019
2018
- José Pullarello: First characterization of the “Rumi-Pana” rock avalanche deposits (Famatina Range, La Rioja, Argentina)
Active mountain fronts are subject to large scale slope collapses which have the capacity to run long distances on piedmont areas. Over time, fluvial activity and other gravitatory processes can intensively erode and mask primary features related to the collapses. ... - Aron Somazzi: Rockfall hazard and risk analysis in the Pichoux Gorges (Jura, Switzerland)
First, the potential sources of rockfalls are detected. These locations are determined using the slope histogram method. Then, one passes to the analysis and classification of the discontinuities present in the delimited zones. Density, direction, dip, spacing and persistence can ...
2017
- David Médico: Caractérisation des avalanches de neige mouillée
David Médico Director: Prof. Michel Jaboyedoff Assistant: MSc. Antoine Guérin The winter 2011-2012, relatively rich in snow, was very marked in the spring by the avalanches of wet snow especially on the Swiss part of the Portes du Soleil (Valais). The following winters also had ... - Patrick Huber: Exploitation du LIDAR embarqué dans l’étude des falaises littorales de Seine-Maritime; Normandie, France
Patrick Huber Director: Dr. Marc-Henri Derron Expert: Dr. Clément Michoud The coastal chalk cliffs in Normandy located in the North-West of France, is an area especially affected by the erosion. lt inducts a rapid retreat of coastline. Due to its important anthropization, ... - Amin Mudaqiq: Rockfall risk analysis along road cantonal between Aigle and Le Sépey
Amin Mudaqiq Director: Prof. Michel Jaboyedoff This study aims to identify the risk of rockfall alongside a road on a regional scale. On first step, rockfall source areas was identified, using slope angle distribution (SAD) procedure and then it was cross checked with ... - Olivier Dubas: La thermographie infrarouge dans le domaine du rocheux: éléments d’influence et corrections de la température apparente en température réelle
Olivier Dubas Director: Dr. Marc-Henri Derron Experts: Prof. Michel Jaboyedoff, MSc. Antoine Guerin In the field of risk analysis related to rock instabilities, temperature measurement can yield useful information in terms of stability. Indeed, temperature differentials can sometimes indicate elements that ... - Cécile d’Almeida: Model and cartography of the Saint-Eynard cliff erosion by rockfalls
Cécile d’Almeida Supervisors: Prof. Michel Jaboyedoff, MSc. Antoine Guerin Rockfall hazard is a major concern in mountainous area and its characterization is needed to set proper safety dispositions. An estimation of the erosion dynamic of the Saint-Eynard cliff near Grenoble in France, is performed using ... - Maxime Collombin: De l’affleurement à la caractérisation réservoir : étude de fracturation sur la base d’une acquisition LiDAR
Maxime Collombin Supervisor: Dr. Marc-Henri Derron The study of fractured reservoirs is of primary importance for hydrocarbons, water and geothermal exploration. The investigation of natural fracture networks affecting potential reservoir is a key point in the present field of research since fracturing may constitute preferential ...
2016
- Zeynabou Sy: Analyse de risques hydrologiques et modélisation de la nappe de Thiaroye (Dakar, Sénégal)
Zeynabou Sy Directors: Prof. Michel Jaboyedoff, Serigne Faye The Dakar region experiencing recurrent floods in the years 1989 to 2012. These recurrent flooding particularly affect the urban area of Pikine and Guediawaye. Previous studies show that these floods have a positive development ... - Caroline Lefeuvre: Influence des effets thermiques dans l’e valuation de l’ale a chute de blocs
Caroline Lefeuvre Co-supervisors: Prof. Michel Jaboyedoff, Dr. Marc-Henri Derron Les aléas liés aux mouvements gravitaires sont des phénomènes très présents en zone de montagne. Parmi ceux-ci, il est possible de nommer les glissements de terrain, les laves torrentielles, les avalanches rocheuses, ou ... - Cindy Vulliez: Apports des méthodes d’imagerie 3D pour la caractérisation et le monitoring du glissement rocheux de Séchilienne (Vallée de la Romanche, Isère, France)
Cindy Vulliez Director: Prof. Michel Jaboyedoff Co-directors: Dr. Antonio Abellán, MSc. Antoine Guerin External Expert: Marie-Aurélie Chanut The Sechilienne landslide, which is located in the Romanche Valley (France) is mass movements of about 650 m high and 250 m wide, with a potential volume of ...
2015
- Jean?Marie Vuignier: Caractérisation de la source sédimentaire et estimation du budget sédimentaire dans le bassin versant de Jatún Mayu (Cochabamba, Bolivie)
Jean?Marie Vuignier Director: Prof. Michel Jaboyedoff Co?director: Dr. Ivanna Penna Experts: Prof. Stuart Lane, Dr. Karen Sudmeier?Rieux Natural and human-induced erosive processes shape landscape by transferring masses from the mountain to downstream areas. They also impact population both located in the source areas ... - Nicolas Emery: Evaluation de l’influence de la hauteur d’eau et de l’inclinaison de la pente sur le comportement des glissements de terrain en laboratoire
Nicolas Emery Director: Prof. Michel Jaboyedoff Expert: Dr. Marc-Henri Derron Supervisors: MSc. Dario Carrea, Dr. Antonio Abellan Landslides are complex phenomena. Despite the number of studies that have been conducted on this topic, they still remain unpredictable. It is particularly difficult to predict them ... - Liliane Nguyen: Identication de précurseurs synoptiques aux évènements de précipitations extrêmes pour des situations de Sud dans les Alpes par l’analyse des trajectoires inverses
Liliane Nguyen Supervisors: Dr. Pascal Horton, Prof. Michel Jaboyedoff One of the most expensive natural disasters in Switzerland consists of floods related to heavy precipitation. Moreover, the occurrence of heavy rains may induce landslides and debris flows as it was observed during the three ... - Remo Gygax: GPU accelerated numerical simulations and laboratory experiments on viscous avalanches
Remo Gygax Director: Prof. Y. Podladchikov Jury: Prof. M. Jaboyedoff, Prof. F. Herman, L. Räss, C. Longchamp Numerical simulations are an eective tool in natural risk analysis. They are useful to determine the propagation and the runout distance of gravity driven movements such as rock ... - Alizée Vioget: Analyse de l’évolution morphostructurale des falaises littorales du Bessin, Basse-Normandie, France
Alizée Vioget Director: Prof. Michel Jaboyedoff Co-directors: Prof. Olivier Maquaire Expert: MSc. Clément Michoud The coasts’ recession is a major issue for the management of littoral regions. In this context, two coastal areas in “Calvados” and “Pays de Caux”, French Normandy, are ... - Susanna Büsing: Analyse spécifique de l’activité récente des éboulements au Piz Lischana (Basse-Engadine)
Susanna Büsing Supervisor: Prof. Michel Jayboyedoff Internal Experts: MSc. Antoine Guerin, Dr. Marc-Henri Derron External Expert: Dr. Marcia Phillips On 31 July 2011, a rockfall with an estimated volume of 7000 m3 occurred at an altitude of 3050 meters on the southeastern side of the ...
2014
- Emmanuel Wyser: Investigations phénoménologiques et numériques de l’impact de gouttes d’eau sur un milieu granulaire et du processus de diffusion
Emmanuel Wyser Director: Prof. Michel Jaboyedoff Supervisor: MSc. Benjamin Rudaz Water erosion phenomenons are increasingly studied and understood but raindrop erosion is far more complex. Raindrop erosion includes subprocesses such as impact, cratering, rim formation, daughter drop splash and soil particle splash. This ... - Jaccaud Léonard: Étude de l’instabilité rocheuse du Kilchenstock, Glaris (Suisse)
Jaccaud Léonard Directors: Prof. Michel Jaboyedoff and Prof. Stefan Schmalholz The Kilchenstock peak is located in the Swiss Alps about 15 km south of the city Glarus. Many rockfalls from the Kilchenstock have been reported since the 19th century. The first study ... - Geoffroy Leibundgut: Analyse de mouvements de versants rocheux et quantification des risques induits le long de la vallée de la Grande-Eau, Suisse: Le phénomène de débâcle
Geoffroy Leibundgut Supervisor: Prof. Michel Jaboyedoff Co-supervisor: Jérôme Tixier La nuit du 23 février 2014, un bloc rocheux de 100 tonnes se décroche et percute un chalet de montagne dans le village d’Isola (Alpes Maritimes, France). Deux enfants sont tués sur le ...
2013
- Philippe Limousin: De la caractérisation du sol, à l’étude de propagation et des risques induits : Les cas du glissement de Pont Bourquin
Philippe Limousin Supervisor: Prof. Michel Jaboyedoff Co-supervisor: Bernard Vayssade Les risques liés aux dangers naturels sont de plus en plus présents dans le monde mais encore plus particulièrement dans les pays de montagne, du fait de la multitude de dangers par lesquels ils ... - Christopher Puglia: Multidisciplinary study of two anthropogenic landslides in Sindhupalchok and Ramecchap districts, Central Nepal
Christopher Puglia Direction: Prof. Michel Jaboyedoff, Dr. Karen Sudmeier-Rieux, Dr. Marc-Henri Derron, MSc. Pierrick Nicolet The purpose of this thesis is to explore the socio-economic and technical issues linked to landslides management in Sanusiruwari VDC (Sindhupalchock district) and Namadi VDC (Ramechhap district), ... - Lauren Gavillet: Dynamique d’érosion et étude de stabilité d’un petit bassin versant alpin: le cas du Courset (VD, Switzerland)
Lauren Gavillet Supervisor: Prof. Michel Jayboyedoff Internal Experts: MSc. Pierrick Nicolet, MSc. Benjamin Rudaz External Expert: Marcel Burri The landslide triggered on August 26, 2005 by a heavy rain event, in the watershed of the Courset is the origin of this master thesis. To determine if ... - Tiziana Egli: Cartes de danger de chutes de blocs sur le village des Morgnes (Bagnes)
Tiziana Egli Co-supervisors : Dr. Vincent Labiouse, Prof. Michel Jaboyedoff Experts : Dr. François Joseph Baillifard, MSc. Clément Michoud The alpine village of Les Morgnes is dominated by a long cliff. Some previous reports and blocks present in the forest below the cliff ... - Maria Ponzio: Etude des instabilités du Val Canaria (Tessin, Suisse) et analyse de la stabilité de l’éboulement de Sotto Corte
Maria Ponzio Supervisor : Prof. Michel Jaboyedoff Rapporteur : Prof. Stefan Schmalholz La zone d’étude se trouve dans le Val Canaria, au Nord du Tessin (proche du village d’Airolo). Cette zone est caractérisée par plusieurs phénomènes d’instabilités. Le but de ce travail de master est de comprendre ... - Camille Perraudin: Characterization of Montset rock slope instability in Hérémence valley.
Camille Perraudin Supervisor: Prof. Michel Jayboyedoff Experts: Dr. Marc-Henri Derron, MSc. Dario Carrea The study focuses on the characterization of Montset rock slope instability in Hérémence valley. The first part of the work aims to determine, on the basis of geomorphological and geometrical characteristics, what kind ... - Line Rouyet: Monitoring and characterization of rock slope instabilities in Norway using GB-InSAR.
Line Rouyet Co-supervisors: Prof. Michel Jayboyedoff, Dr. Marc-Henri Derron Experts: Dr. Lene Kristensen, MSc. Clément Michoud The master thesis named “Monitoring and characterization of rock slope instabilities in Norway using GBInSAR (Ground-Based Interferometric Synthetic Aperture Radar)” aims (1) to improve the knowledge about the advantages and limitations ...
2012
- Murielle Voutaz: Etude d’une déformation gravitaire profonde de versant (DGPV) dans la région du Simplon par une approche structurale et cinématique.
Murielle Voutaz Direction: Prof. Michel Jaboyedoff Rapporteur: Prof. Jean-Luc Epard Suivi: Andrea Pedrazzini, Battista Matasci Deep-seated gravitational slope deformations (DSGSD) are poorly understood. Induced by gravity deformation mechanisms, the susceptibility of DGPV increases with many factors; the most important are decompressing ice, seismic and regional tectonics. The relationship ... - Léonard Jaton: Development and application of a hydrological and slope stability model using Matlab
Léonard Jaton Supervisor : Prof. Michel Jaboyedoff Expert : Pascal Horton This master thesis is focused on the development and application of a hydrological and slope stability model for use on catchment basins. In the field of natural risks analysis, and particularly those of quick ... - Jérémie Voumard: Simulation dynamique du trafic routier pour l’estimation du risque sur les routes de montagne
Jérémie Voumard Supervisor : Prof. Michel Jaboyedoff Experts : Dr. Marc-Henri Derron, Dr. Luuk Dorren, Olivier Caspar The main theme of this Master thesis is the calculation of risk generated by natural hazards on roads. While it is common to assess risk incurred by the road ... - Virgile Nanchen: Application de la technologie LIDAR à la méthodologie Matterock
Virgile Nanchen Co-supervisors : Prof. Michel Jaboyedoff Experts : Alex Loye, Andrea Pedrazzini The rockslide of 1991 in Randa motivated the development of Matterock methodology (Rouiller et al. 1998). Based on the principle that there is no hazards without discontinuity, this evaluation method of rock ... - Romain Chenillot: Analyse des aléas rocheux des falaises du Grand Bois du Ban, Lavey Village
Romain Chenillot Co-supervisors: Prof. Michel Jaboyedoff, Prof. Vincent Labiouse, Dr. Mario Sartori This analysis of rock falls hazards relates to cliffs of the Grand Bois du Ban, located by the city of Lavey, in the canton of Vaud, Switzerland. The activity ... - Tristan Burnand: Étude des processus érosifs et bilan sédimentaire au Vallon de Nant
Tristan Burnand Supervisor: Prof. Michel Jaboyedoff Expert: Alexandre Loye This master thesis studies the Vallon de Nant, a glacial valley located in the Vaud Alps on the border with the canton of Valais. Within this valley, the different erosion processes are studied. In context, the ...
2011
- Thomas Zufferey: Analyse et monitoring des mouvements gravitaires du versant sud-est du massif de l’Arpille
Thomas Zufferey Supervisor: Prof. Michel Jayboyedoff Expert: Andrea Pedrazzini The present study concerns the deep-seated gravitational slope deformation (DSGSD) of the south-east slope of the Arpille massif. This rectangular mountain is part of the Aiguilles-Rouges external crystalline massif in the centre of the Swiss ... - Damien Roth: Analyse microclimatique du Vallon de Nant
Damien Roth Co-supervisors: Prof. Michel Jayboyedoff, Pascal Horton, Jean-Michel Fallot This paper aims to treat and analyze a data set coming from four weather stations setup by Lausanne University’s IGAR (Institut de Géomatique et d’Analyse du Risque) in Prealps, within the Vallon de Nant. This work has ... - Martin Franz: La falaise des Bornes du Diable : de l’Instabilité au Tsunami.
Martin Franz Co-supervisors: Prof. Michel Jaboyedoff, Prof. Yury Podladchikov, MSc. Clément Michoud Expert: Dr. Marc-Henri Derron The case study, “les Bornes du Diables” cliff, 160 meters high, is located directly above the Mauvoisin dam’s reservoir in south western Switzerland. This study is conducted due to recent ... - Vincent Dauphin: Evaluation de la vulnérabilité des bâtiments d’habitation individuelle à Delémont ; vers une nouvelle approche de la gestion du risque d’inondation.
Vincent Dauphin Co-supervisors: Prof. Michel Jayboyedoff, Marc Choffet The vulnerability, when it’s not defined quantitatively, tally with a rate of damage. However, this definition is not commonly accepted, which is certainly harmful to the consideration of its fair value. In a context of risk ... - Nicolas Sarrasin: Etudes d’instabilités rocheuses dans le Saastal et le Mattertal (Valais, Suisse)
Nicolas Sarrasin Supervisor: Prof. Michel Jayboyedoff Assistant: Andrea Pedrazzini A lot of alpine areas are characterized by ground movements. These may represent a danger for people and infrastructure. These phenomena are described and studied for a long time. However the advent of new technologies ... - Maria Elena Fonticoba: Etude structurale et GPR de la région de Varneralp (Valais)
Maria Elena Fonticoba Co-supervisors: Prof. Michel Jayboyedoff, Prof. Dr. François Marillier Assistants: Andrea Pedrazzini, Jehanne Correia-Demand This work aims the understanding and characterization of a possible deep seated gravitational slope deformation in Sierre (Valais, Switzerland). A catastrophic rock avalanche occurred a long time ago causing the ... - Jacques Bechet et Julien Duc: Etude et quantification des processus et dynamique d’érosion à Draix
Jacques Bechet et Julien Duc Co-supervisors: Prof. Michel Jayboyedoff, Alexandre Loye Expert: Dr. Marc-Henri Derron The Roubine catchment located in the experimental research station of Draix (south French Alps) is situated in the black marls formation, a substratum particularly prone to weathering processes. Since ... - Stephanie Jaquet: Forest cover trends and landslides occurrence in selected areas, Dolakha District, Central Nepal
Stephanie Jaquet Supervisor: Prof. Michel Jayboyedoff Experts: Dr. Marc-Henri Derron, Dr. Jane Carter The purpose of this thesis is to study forest cover changes and degradation trends as well as to make risk assessments for selected study cases in Dolakha district, Central Nepal over the period 1979-2009. The forest ... - Marie Charrière: Granulometrical, geological and morphological description of the Frank Slide deposit (Alberta, Canada)
Marie Charrière Supervisor: Prof. Michel Jaboyedoff Expert: Ing. Geol. Corey Froese The Frank Slide (Alberta, Canada) is one of the rock avalanches which was the most studied throughout the History of the research on this kind of landslides. Indeed, it was already analyzed just after its occurrence ... - Florian Humair: Turtle Mountain anticline (Alberta, Canada): Rock slope stability related fracturing
Florian Humair Co-supervisors: Prof. Michel Jaboyedoff, Dr. Jean-Luc Epard Expert: Ing. Geol. Corey Froese Assistant: Andrea Pedrazzini The aim of this study is to improve the general understanding of the Turtle Mountain anticline and its fracturing pattern as well as evaluating the ...
2010
- Benjamin Rudaz: Evolution Géomorphodynamique d’un bassin versant torrentiel
Benjamin Rudaz Supervisor: Prof. Michel Jaboyedoff Expert: Alexandre Loye This master thesis is focused on the Saint-Barthélémy stream, in the canton of Valais, Switzerland. It drains a catchment cut in three different geological units forming the Dents du Midi massif. Its massive torrential fan fills ... - Anthony Monnier: Etude du danger de chute de blocs le long de la ligne ferroviaire Aigle – Les Diablerets
Anthony Monnier Supervisor: Prof. Michel Jaboyedoff Expert: Andrea Pedrazzini This Master memory focuses on the risk of rockfall along the Aigle – Sépey – Diablerets railway line, in the Swiss Alps. This memory breaks up into four main parts: Identification of the rockfall sources, risk ... - Fabian Eggertswyler: Analyse de l’évolution d’une commune soumise à des dangers naturels au moyen de techniques numériques. Etude de site: La commune D’ormont-Dessus.
Fabian Eggertswyler Supervisor: Prof. Michel Jaboyedoff Experts : Prof. Jean Ruegg, Alexandre Loye, Marj Tonini Alpine valleys represent a significant living environment and are decisive for economic activities. Construction of buildings and roads in these environments where the soil is not easily workable is increasingly ... - Benoit Fragnol: Le LiDAR et ses applications pour l’étude des chutes de blocs
Benoit Fragnol Supervisor: Prof. Michel Jaboyedoff In mountainous areas, rockfall hazards cause many damages to the infrastructures and have a major socio-economic impact. These phenomena are still not well-understood and that is why new technologies are required in order to improve the ... - Florence Delasoie: Études des instabilités de versant de la Barmasse (Valais, Suisse) par une approche pluridisciplinaire.
Florence Delasoie Co-supervisors: Prof. Michel Jaboyedoff, Dr. François Baillifard Rapporteur: Prof. Jean-Luc Epard The DSGSD (Deep Seated Gravitational slope Deformations) phenomena occur in most mountainous landscapes. Despite this phenomen has been recognized worldwide as a major processes of mass wasting, the mechanisms of most mapped ... - Raja Mastouri: Modelisation 3D des bassins sedimentaires du Sahel Tunisien: Implication Géodynamique et Intérêt Pétrolier
Raja Mastouri Co-supervisors: Prof. Samir Bouaziz, Prof. Michel Jaboyedoff Experts: Merj Tonini, Chedly Abbes, Mohamed Moncef Sarbeji The Tunisian Sahel domain is characterized by geological outcrops that range from Miocene to Quaternary. This area has been considered as a vast plain and as collapsed ... - Nicolas Gendre: Caractérisation de deux événements d’éboulements rocheux dans la région des Préalpes fribourgeoises. Le cas de la Dent de Lyss et celui de Varvalanna (Fribourg, Suisse).
Nicolas Gendre Supervisor: Prof. Michel Jaboyedoff Expert: Andrea Pedrazzini Les éboulements de la Dent de Lyss et de Varvalanna se situent dans les chaînes des Préalpes fribourgeoises. Ils ont eu lieu respectivement fin avril 1992 et le 15 mai 2006. La niche d’arrachement de l’éboulement ...
2009
- Emmanuel Wick: Etude détaillée d’un bassin versant à laves torrentielles le long de la Route Internationale n° 7, Courbe de Guido, Province de Mendoza, Argentine
Emmanuel Wick Supervisors: Prof. Dr. Michel Jaboyedoff, Valérie Baumann The International Road 7 crosses Argentina from East to West, linking Buenos Aires to the Chile border. While crossing the Andes Cordillera, it puts itself at numerous natural risks, such as avalanches, rock ... - Clément Michoud: Application de l’interférométrie différentielle Radar dans la surveillance du glissement de La Frasse, Suisse
Clément Michoud Supervisors: Prof. Dr. Michel Jaboyedoff, Andrea Pedrazzini Spaceborne Differential Interferometric Synthetic Aperture Radar (DInSAR) is a remote sensing technology based on the measure of the phase of a radio wave reflected by ground scatterers. Calculate the phase’s difference of those ... - Aurélie Pannatier: Méthodologie de détection et d’analyse d’instabilités rocheuses aux échelles régionale et locale. Applications à la vallée de Yosemite (Californie/Etats-Unis) et à l’éperon du Sex Frei (Valais/Suisse).
Aurélie Pannatier Co-supervisors: Prof. Michel Jaboyedoff, Thierry Oppikofer Expert: Frank Philippossian Rapporteur: Prof. François Marillier Rock instabilities have been studied for a long time, but no strict methodology has been developed to ease their analysis. In this research paper, it has been decided to ... - Alain Breguet et Jérôme Dubois: Landslide risk mapping in Pakistan and Nepal based on field survey and modeling techniques.
Alain Breguet et Jérôme Dubois Co-supervisors: Prof. Michel Jaboyedoff, Karen Sudmeier-Rieux Expert : Andrea Pedrazzini Rapporteur : Prof. François Marillier Himalayan region is characterized by an important density of landslides related to earthquake, monsoon rains and the important weathering of the bedrock. Several mountain communities are affected ... - Guillaume Favre-Bulle: Instabilités rocheuses le long de la route nationale 7 Secteur Guido – Uspallata (km 1118 à 1133) Provincia de Mendoza – Argentina.
Guillaume Favre-Bulle Co-supervisors: Prof. Michel Jaboyedoff, Valérie Baumann, Andrea Pedrazzini The National Road 7, important link between Argentina and Chile, is subject to many natural hazards, threatening the vehicles travelling along. This work aims to classify the risk associated with falling blocks, to intervene as a ... - Sébastien Lévy: Analyse de l’évolution morphologique d’une partie du bassin versant de la rivière Chacoura, Québec, Canada.
Sébastien Lévy Co-supervisors: Prof. Michel Jaboyedoff, Professeur Jacques Locat Expert: Alexandre Loye The large plains of Eastern Canada sensitive clays are cut by many rivers, in a way that their slopes have been and are still affected by landslides. They play a major role in the modelling ... - Micaela Isabel Vargas Garnica: Modèle pour l’analyse spatiale des risques environnementaux et approche sociale de la zone de Tablas Montes et El Sillar, province de Colomi-Cochabamba-Bolivie.
Micaela Isabel Vargas Garnica Co-supervisors: Prof. Michel Jaboyedoff, Rafael Tapia Expert : Karen Sudmeier-Rieux Whilst managing a territory, several considerations should be accounted for in order to establish an appropriate use of the land. Proper soil use is thereby conditioned by environmental risks which ... - Marc Choffet: Evaluation de la vulnérabilité du bâti existant face aux inondations dans un contexte d’assurance immobiliére. Etude de cas du village de Le Pâquier, Fribourg.
Marc Choffet Supervisor: Prof. Michel Jaboyedoff Experts: Dr. Olivier Lateltin, Pr. Jean Ruegg The vulnerability has a direct influence on the concept of risk. Yet, in the literature, its definition may vary. The theoretical part of this Master Thesis will seek to define ... - Valentin Métraux: Quantification de l’érosion et de la dynamique sédimentaire dans un bassin versant torrentiel à l’aide de la télédétection. Application au bassin versant du Merdenson (Valais/Suisse).
Valentin Métraux Supervisor: Prof. Michel Jaboyedoff Expert: Alexandre Loye The watershed of Merdenson dominates the villages of Vollèges and Cries. Many major events of debris flows are recorded on this torrent and threaten not only road and rail infrastructure, but also the villagers of Cries. The damage ... - Benoît Mazotti: Création d’une carte de danger lave torrentielle. Le cas du bassin versant Nord du Mont-Rogneux (Val de Bagnes, Valais).
Benoît Mazotti Co-supervisors: Prof. Michel Jaboyedoff, Alexandre Loye Expert: François-Joseph Baillifard The aim of this work is to diagnose the main hazard for debris flows in the North watershed of Mt-Rogneux which is located in the Val de Bagnes in Valais / Switzerland. The village ... - Caroline Christinaz: Etude des instabilités et analyse du danger rocheux. Le cas de la Crevasse, dans le district d’Entremont.
Caroline Christinaz Co-supervisors: Prof. Michel Jaboyedoff, Andrea Pedrazzini Expert : Dr. François-Joseph Baillifard The limestone wall of the Crevasse, located in the district of Entremont on the right bank of the Dranse at Sembrancher (VS), presents for a long time signs of instabilities. Its name ...
2008
- Sarah Derendinger: Etude hydrochimique et modélisation géologique de l’aquifère et du tassement de terrain de la Chaux dans le vallon de Nant (VD).
Sarah Derendinger Co-supervisors: Prof. Michel Jaboyedoff, Prof. Hans-Rudolf Pfeifer Expert : Prof. Torsten Vennemann Ce travail porte sur l’analyse hydrochimique et la modélisation géologique de l’aquifère et du tassement de terrain de la Chaux dans le vallon de Nant (VD). Une campagne de terrain a été réalisée entre ... - Nielsen Saga: Analyse de la zone de glissement de l’Abefet et analyse de risque.
Nielsen Saga Co-supervisors: Prof. Michel Jaboyedoff, Dr. Pierre Gex The Abefet zone is situated in the Solalex-Anzeinde valley, on top of Bex in the right bank of the Rhône (canton of Vaud). According to the geologic map, the Abefet is a landslide surmounted ... - Sacha Gaillet: Modélisation du remplissage quaternaire d’une vallée glaciaire à une échelle locale, basée sur une approche géophysique et numérique. Le cas du pâturage de Solalex Commune de Bex, Vaud, Suisse.
Sacha Gaillet Co-supervisors: Prof. Michel Jaboyedoff, François Marillier L’objectif de ce travail était de déterminer la géométrie, l’épaisseur d’un remplissage quaternaire d’une vallée glaciaire particulière. En effet, un gigantesque éboulement postglaciaire s’est détaché du Miroir d’Argentine suite à la décompression des versants, engendrée par le ... - Cédric Coquelin: Projet d’installation d’un réseau de stations météorologiques, Vallon de Nant
Cédric Coquelin Co-supervisors : Prof. Michel Jaboyedoff, Dr. Jean-Michel Fallot Experts : Dr. Richard Metzger Le projet Pont de Nant a trouvé un vif intérêt au sein de la faculté de Géosciences de l’environnement de l’Université de Lausanne. Soutenue par une dynamique collective, ... - Julie Bory: Evaluation des dangers potentiels au sein du bassin versant d’un ouvrage hydro-electique. Le cas du barrage de Mauvoisin (Val de Bagnes, Valais, Suisse).
Julie Bory Supervisor: Prof. Michel Jaboyedoff Expert: François-Joseph Baillifard Avec une hauteur de 250 m, le barrage de Mauvoisin (Val de Bagnes, Valais, Suisse) est le plus haut barrage-voûte d’Europe. Son bassin versant topographique est bordé de falaises qui s’étendent par niveaux sur une ... - François Riff: Contribution du laser scanner 3D dans l’étude du fluage du pergélisol (Développement méthodologique et comparaison avec le D-GPS).
François Riff Co-supervisors: Christophe Lambiel, Prof. Michel Jaboyedoff Les objectifs principaux de ce mémoire sont doubles. D’une part, cette étude a pour objectif de développer la méthodologie, et de s’interroger sur les apports du Laser scanner 3D, dans l’étude de la dégradation ... - Romain Herren: Caractérisation et tracking en continu des précipitations : analyse des pluies de 2006 sur l’Ouest de la Suisse.
Romain Herren Supervisor: Prof. Michel Jaboyedoff Experts: Dr. Richard Metzger, Pascal Horton The purpose of this work is to develop a continuous rainfall tracking and characterisation method on the basis of radar reflectivity images. The aim is to detect rain from all intensities and origins ... - Sarah Bitz: Etude des processus hydrologiques du bassin versant de la Tinière (VD). Application du traçage environnemental et modélisation.
Sarah Bitz Co-supervisors: Prof. Michel Jaboyedoff, Prof. Torsten Vennemann, Hans-Rudolf Pfeifer Cette étude a pour but de nous faire acquérir de meilleures connaissances concernant les écoulements dans un bassin versant. Le site choisi pour ce travail est le vallon de la Tinière ...
2007
- Yannis Borle: Phénomènes érosifs dans le bassin versant de Lourtier (Valais, Suisse). Etude d’une instabilité rocheuse et établissement d’un bilan sédimentaire à l’aide d’une cartographie de terrain détaillée: méthodologie et application.Abstract will be available soon.
- Cédric Borlat: Utilisation d’un MNT laser-1m pour le levé géologique et l’interprétation structurale dans la chaîne du Mont Tendre.Abstract will be available soon.
- Julien Travelletti: Glissements et coulées issus de l’altération du gypse (Approche géophysique, numérique et géotechnique). Application à la région du Bois de la Glaive (Ollon, Vaud, Suisse).
Julien Travelletti Co-supervisors: Prof. Michel Jaboyedoff, Prof. François Marillier In Switzerland, landslides cover about 7% of the national territory. Affected areas are represented by the Alpes, the Prealps between the lakes of Geneva and Constance and a part of the Jura mountains. In ... - Andrea Pedrazzini: Étude des instabilités rocheuses entre Muraz et Vionnaz à l’aide de techniques numériques et analyses de terrain.
Andrea Pedrazzini Co-supervisors: Prof. Michel Jaboyedoff, Dr. François Baillifard La falaise des Pics surplombe la route cantonale reliant les communes de Collombay-Muraz à celle de Vionnaz. Ce versant montre, depuis plusieurs années, des signes d’instabilités évidentes. L’événement le plus représentatif s’est produit ...