Quatre cas d'avalanches rocheuses dans les Alpes françaises

Couture, R; Antoine, P.; Locat, Jacques; Hadjigeorgiou, John; Evans, Stephen G.; Brugnot, Gérard

doi:10.1139/t96-101

Cited by 10 publications

(4 citation statements)

References 2 publications

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“…In rock massifs, the state of degradation over time will be linked to the action of several factors (Antoine & Giraud, 1992;Azimi & Desvarreux, 1996;Couture et al 1997) [2][3] [12]. First of all, it is necessary to understand the natural evolution of a massif or a slope to know the type of ground movement that could happen.…”

Section: Morpho-structural Analysis Of Predisposing Factorsmentioning

confidence: 99%

Morphodynamic and Structural Analysis of Tamda Landslide Dam (Middle Atlas, Morocco)

Labriki¹,

Zerdeb²,

Majid³

et al. 2020

International Journal of Civil Engineering and Technology (Ijciet)

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Large landslides are the regular natural hazards frequent in the mountainous areas. They often defined as the movement of a mass of rock sufficient to forms a landslide dam or barrier lake, which obstruct the river water flow. The "Tamda" lake, located 15 km to the north of the Jbel Bouyablane summit, is a natural dam formed by landslide blocked Tmorghot wadi and modified the water circulation and sedimentation. This landslide seem to be triggered by a superposition of several geological factors (predisposition and trigger).In fact, the predisposition inherent in the structural and tectonic setting (strike, dipand fault planes) of the Eastern Middle Atlas allow to determine the nature and the form of the mass movement. In addition, the dissolving and the undermining due to the water flow, and the seismic activity related to the central Middle Atlas great fault, are the main triggering causes of this Morphodynamic and Structural Analysis of Tamda Landslide Dam (Middle Atlas, Morocco)

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Section: Morpho-structural Analysis Of Predisposing Factorsmentioning

confidence: 99%

Morphodynamic and Structural Analysis of Tamda Landslide Dam (Middle Atlas, Morocco)

Labriki¹,

Zerdeb²,

Majid³

et al. 2020

International Journal of Civil Engineering and Technology (Ijciet)

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“…The European Alps have been extensively studied with many academic publications investigating both individual and clusters of landslides (e.g. Nieuwenhuijezen et al, 1990;Couture et al, 1997;Bertran, 2003;Giardino et al 2004;Casson et al, 2003;Meric et al, 2005;Squarzoni et al, 2005;Deline, 2009). More recently (in the past 20 years) landslides have been increasingly documented in European-wide inventories and databases, giving us a picture of the spatial distribution (Van Den Eeckhaut and Hervas, 2012) while also highlighting regions with high levels of landslide susceptibility.…”

Section: Landslide Inventories In Europe and Their Accessibilitymentioning

confidence: 99%

“…In addition to this a literature search was carried out for academic sources, and Google Earth used as a mapping tool for this academic portion of the RI; these were exported from Google Earth as Keyhole Markup Language (.kml) files to Quantum Geographic Information Systems (QGIS) whereby the location was imported into the RI. 2003France 1 Couture et al (1997) France 4 Deline 2009France 3 Meric et al (2005) France 1 Nieuwenhuijezen et al (1990) France 1 Squarzoni et al (2005) France 1 Table 1). The insert shows the south-east region of France (excluding the BRGM, GB and WSL datasets) to show the locations of the Literature and Barcelonette datasets.…”

Section: Landslide Databases and Inventories In Europementioning

confidence: 99%

Landslide inventories for climate impacts research in the European Alps

Harrison

Reinhardt

2015

Geomorphology

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Landslides present a geomorphological hazard in Alpine regions, threatening life, infrastructure and property. Here we present the development of a new regional landslide inventory (RI) for the European Alps. This database provides a substantial temporal and spatial picture of landsliding in the Alps; with particular focus on the Swiss and French Alps. We use segmented models to evaluate recording bias in the temporal record. Scaling relationships are used to calculate landslide area based on a given volume for similar types of landslide; 9.5% (n=752 of a total of 7919) of landslides in the RI have area data recorded; this figure is based on both the source data and areas calculated from the scaling relationship. Using a power-law we demonstrate that the log-linear trend, which exists between landslide area and frequency in inventories, is present for this historical dataset, however, none of the individual databases, nor a unification of these, contains a complete record. We conclude by discussing applications of this dataset for the detection and attribution of climate change to the frequency and magnitude of landslides in this region however, stress the implications for this based on the completeness of such datasets. The manuscript describes and analyses a new landslide inventory, spanning six centuries and covering both the French and Swiss Alps. This inventory is, to our knowledge, unique in its temporal and geographical coverage, and in its detail, including information on geology, topography and size; which have been extracted and sampled into the inventory through methods detailed in this manuscript. The compilation of the inventory from several previously existing datasets is described, and methods for filling in missing data (such as area and volume data through the use of scaling relationships) are documented. We discuss the temporal resolution of the dataset through the use of segmented models, and then investigate the frequency-area distribution based on this, and in the context of other studies. This paper should attract a wide readership from researchers interested in risk and hazard mapping, those interested in further developing and analysing this unique dataset, and from those using our methods as a template for the maintenance and collation of landslide inventories in other regions.We appreciate your consideration of this manuscript for publication. Abstract 2 Landslides present a geomorphological hazard in Alpine regions, threatening life, infrastructure and property. Here 3 we present the development of a new regional landslide inventory (RI) for the European Alps. This database 4 provides a substantial temporal and spatial picture of landsliding in the Alps; with particular focus on the Swiss and 5French Alps. We use segmented models to evaluate recording bias in the temporal record. Scaling relationships are 6 used to calculate landslide area based on a given volume for similar types of landslide; 9.5% (n=752 of a total of 7 7919) of landslides in the RI have area data recorded;...

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“…The large complex rockslide at Koëfels (Austria) developed in gneissic rocks, the slip occurring along a Dating: 7625 ± 65 years BP (Couture et al 1997) and 'jigsaw' structures can be observed in the deposits. The model of transport can be described as sliding along a basal foliation surface, with secondary internal sliding surfaces.…”

Section: Landslides In Reservoirs Contribution Of Conceptual and Nummentioning

confidence: 99%

The 2014 Hans Cloos lecture: Engineering Geology—some feedback regarding the practice of a scientific and technical discipline

Cojean

2015

Bull Eng Geol Environ

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This Hans Cloos lecture paper develops general reflections inspired by Ian McHarg's (1969) book, ''Design with Nature'' and concerning engineering geology. Three case studies are illustrated: landslides in reservoirs, gallery excavation in a shield volcano, large rockslides and rock avalanches. For these three case studies, the potential and limits of conceptual and numerical models are discussed.

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Quatre cas d'avalanches rocheuses dans les Alpes françaises

Cited by 10 publications

References 2 publications

Morphodynamic and Structural Analysis of Tamda Landslide Dam (Middle Atlas, Morocco)

Morphodynamic and Structural Analysis of Tamda Landslide Dam (Middle Atlas, Morocco)

Landslide inventories for climate impacts research in the European Alps

The 2014 Hans Cloos lecture: Engineering Geology—some feedback regarding the practice of a scientific and technical discipline

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