Snow avalanche
A new web-based system to improve the monitoring of snow avalanche hazard in France
... web-based snow avalanche information system that includes all CLPA, EPA and SSA ...the avalanche data available in our database and the corresponding acquisition ...
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Snow avalanche friction relation based on extended kinetic theory
... Within this framework rheological models attract a signif- icant portion of attention. A widespread, classic phenomeno- logical rheological model still utilized in depth-averaged models is the Voellmy friction relation ...
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Regional snow-avalanche detection using object-based image analysis of near-infrared aerial imagery
... validating avalanche forecasting and hazard ...of snow-avalanche deposits; how- ever, identifying release zones and tracks remains challeng- ...in snow-covered areas only (NDWI > 127), ...
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Computational snow avalanche simulation in forested terrain
... Two-dimensional avalanche simulation software operating in three-dimensional terrain is widely used for hazard zoning and engineering to predict runout distances and impact pressures of snow ...
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Creation of the snow avalanche susceptibility map of the Krkonoše Mountains using GIS
... the snow avalanche susceptibility map in the Czech part of the Krkonoše Mountains using the free Geographic Information System (GIS) ...of avalanche paths based on these ...of avalanche ...
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Snow and weather climatic control on snow avalanche occurrence fluctuations over 50 yr in the French Alps
... Abstract. Snow avalanche activity is controlled to a large extent by snow and weather ...in avalanche and winter climate data, and this study employs a time-implicit method to model annual ...
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A novel approach to evaluate and compare computational snow avalanche simulation
... of snow avalanche simulation in three dimen- sional terrain is ...presented. Snow avalanche simulation soft- ware is used as a supporting tool in hazard ...an avalanche move down ...the ...
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Quantification of basal friction for technical and silvicultural glide-snow avalanche mitigation measures
... glide-snow avalanche release areas Glide-snow avalanches are observed every season on the Dorfberg, above Davos, Switzerland, and were documented via time lapse photography in the winters of ...
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Modelling wet snow avalanche runout to assess road safety at a high-altitude mine in the central Andes
... of avalanche dynamics models that use initial input data defined by current snow cover ...predict avalanche runout, and not yet, if ever, to define real-time hazard ...integrating avalanche ...
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Modeling the influence of snow cover temperature and water content on wet-snow avalanche runout
... Abstract. Snow avalanche motion is strongly dependent on the temperature and water content of the snow ...a snow cover model, driven by measured me- teorological data, to set the initial and ...
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Rule Based Classification of Potential Snow Avalanche Areas
... average snow cover at higher elevations due to winter Westerlies and northerly latitude, resulting in west-east gradient of snow cover (Bookhagen and Burbank, ...The snow cover peak in Western ...
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Experimental Study and Numerical Modelling of Effect of Friction Parameters on Velocity of Wet Snow Avalanche
... the avalanche and the underlying snow or ground, internal dynamic shear resistance due to collisions and momentum exchange between particles and blocks of snow, turbulent friction within the ...
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Forest damage and snow avalanche flow regime
... powder snow avalanche released on 4 March 2014 in Täsch in Wallis, ...the avalanche release volume ...the avalanche split in two parts in the lower part of the slope leaving trees in the ...
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Automated detection of snow avalanche deposits: segmentation and classification of optical remote sensing imagery
... Abstract. Snow avalanches in mountainous areas pose a sig- nificant threat to infrastructure (roads, railways, energy trans- mission corridors), personal property (homes) and recre- ational areas as well as for ...
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Automated identification of potential snow avalanche release areas based on digital elevation models
... 4846 avalanche out- lines from the area of Davos show that we are able to iden- tify the major part of all occurred avalanche release ...numerical avalanche simulations or other ...different ...
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Snow avalanche phenomena on the eastern side of the Craigieburn Range, New Zealand
... burn Range the factors involved in snow avalanche formation, release.. While this is a reconnaissance study,.[r] ...
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Effects of ground freezing and snow avalanche deposits on debris flows in alpine environments
... of snow avalanche deposits in a gully could be simultaneously an am- plifying factor (the snow deposits increase the base flow and create a sliding plane for the sediments, mainly at the time of ...
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Dynamic magnification factors for tree blow-down by powder snow avalanche air blasts
... der avalanche blow-down. When using tree blow-down to estimate avalanche impact pressures (and therefore speed and density of the powder cloud) a dynamic magnification factor should be applied in the ...
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Snow avalanche release
... Many laboratory studies note the change of strength of snow with time and also changes of characteristics with test rate during the experiment for example, Singh and Smith,l980 and Narit[r] ...
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Observations and modelling of snow avalanche entrainment
... largest avalanche was released on the 25 Febru- ...The avalanche travelled more than 4000 ...the avalanche path, allowed local entrainment analysis and distribution of flow height to be ...the ...
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