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Vertical uplifting of boulders and stones is well known to take place in cold regions. Movements of stones in roads might lead to traffic danger, vehicle failures, and cause breakdown of the road surface with the need of expensive repair as a consequence. In addition, freeze/thaw and associated...
A numerical model suggests that surface stress variations associated with a lead may give a large-scale recirculation flow. Suspended ice crystals may then be transported effectively down to the bottom, where such a flow is also favorable for sediment entrainment. The model suggests that the ice...
The Himalaya, the longest chain of mountains in the world, shows complex variations in snow and meteorological conditions as one traverses from east to west and from south to north. The paper presents the analysis of the past 25 years of snow precipitation and avalanche occurrence data of the...
We test the behaviour of two statistical avalanche models and three hydraulic-continuum models of varying dimensionality against five reference events. For the hydraulic models, reference friction coefficients are produced that replicate the runout distance of the historical event. The model...
This study was part of a larger project currently underway to develop an operational iceberg drift and deterioration model for the Canadian Ice Service (CIS), Environment Canada. This new iceberg model, as distinct from previous drift computations, will include estimates of iceberg calving and...
Synchrotron X-ray topography has been used to study dislocation behavior around notches in single-crystals of ice during in-situ deformation at a constant strain-rate. During deformation at −8°C a dislocation-depleted zone (DDZ) formed above the notch while a vertical array of dislocations...
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