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In the spring of 1818, ice avalanches from the Gietro Glacier created an ice dam, which in turn formed a glacial lake in the Drance Valley (Canton of Valais, Switzerland). Today, its maximum volume is estimated to have been 25x10(6) m(3). Cantonal authorit ...
The paper reviews our recent attempts at modelling bed load transport in mountain rivers. This is a longstanding issue that has attracted considerable attention over the last century. While a number of field and laboratory studies have been instrumental in ...
The proposed methodology is based on the developments of five significant points. These developments were necessary in order to give a balanced diagnosis. They represent however only one stage towards a better comprehension of the arising problem. The meth ...
Parmi les grands mythes communs à plusieurs cultures, celui du déluge a durablement marqué les esprits. Il tire probablement son origine de l’observation par nos lointains aïeux d’événements de très grande ampleur, marqués par l’arrivée brutale de masses d ...
Geophones were used as a proxy for determining the behavior of sediment transport in boulder mountain river. Field observations aggregated by a statistical analysis (PCA) allowed to identifying periods in which the behaviour between the water discharge $(Q ...
The effect of the small fraction of clays on the rheological behaviour of alpine debris flow is poorly understood. This is partly due to the complexity of the debris flow mineralogy and the broad particle size distribution. This study has investigated this ...
