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Your search for Subject Snow Instabilityresulted in 708 records.

Title: A New Application for Quick Boundary Limits of Avalanche Events: Procedure and First Validation
Date: 2013-10-07
Authors: Bornaz L., Durand N., Frigo B., Dellavedova P., Segor V.
Description: In the framework of MAP3 ALCOTRA project, a 3D mapping tool is under developing to rapidly take the avalanche census and implement the regional Cadast...
Object ID: ISSW13_paper_P2-34.pdf
Keywords: avalanche census, solid image, avalanche cadastre, zoning
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Title: Avalanche Impact Pressure on a Plate-Like Obstacle
Date: 2013-10-07
Authors: Emmanuel THIBERT, Thierry FAUG, Hervé BELLOT, Djebar BAROUDI
Description: Snow avalanche impact pressures on the flat surface of an instrumented structure have been quantified by experiments performed at full-scale. An inver...
Object ID: ISSW13_paper_P2-35.pdf
Keywords: avalanche impact pressure, flow obstacle, snow deposition, granular flow, drag coefficient
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Title: Collectivités Publiques et Gestion du Risque Analyse Dans Son Versant Juridique
Date: 2013-10-07
Authors: Gregory MOLLION
Description: Le droit français donne aux autorités administratives le pouvoir et la charge d’assurer la protection des citoyens sur leur territoire. L...
Object ID: ISSW13_paper_P2-40.pdf
Keywords: préfet, maire, police administrative, plan de prévention des risques naturels prévisibles, responsabilités
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Title: Modelling Wet Snow Avalanche Flow with a Temperature Dependent Coulomb Friction Function
Date: 2013-10-07
Authors: César Vera and Perry Bartelt
Description: We present a model to describe the motion of wet snow avalanches. This model is used to simulate a well-documented wet snow avalanche event in Switzer...
Object ID: ISSW13_paper_P2-44.pdf
Keywords: wet snow, avalanche dynamics, ice friction, meltwater lubrication, numerical modelling
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Title: Development of a Simple Raster-Based Model for Gravitational Mass Movement Processes Applied to the Regional Assessment of Forest Stands With Direct Protective Functionality
Date: 2013-10-07
Authors: Andreas Huber, Frank Perzl, Reinhard Fromm, Jan-Thomas Fischer, Klaus Klebinder, Bernadette Sotier
Description: This contribution describes the development of a model suitable for regional scale delineation of zones potentially affected by gravitational mass mov...
Object ID: ISSW13_paper_P2-46.pdf
Keywords: avalanche, rockfall, protective forests, raster-based modeling
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Title: Application of Empirical Calculations and Dynamics Models for Snow Avalanche Hazard Assessment in Russia
Date: 2013-10-07
Authors: Alla S. Turchaninova
Description: A lot of statistical runout models based on topographic parameters of the avalanche tracks were performed by snow engineers for different mountain re...
Object ID: ISSW13_paper_P2-51.pdf
Keywords: snow avalanche, statistical runout models, dynamics modeling, ramms, hazard assessment
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Title: Retrieving Avalanche Basal Friction Law From High Rate Positioning of Avalanches
Date: 2013-10-07
Authors: Pulfer G., Naaim M., Thibert E., Soruco A.
Description: The Voellmy avalanche basal friction parameters are retrieved from high rate positioning of artificially released avalanches. Two dense snow avalanche...
Object ID: ISSW13_paper_P2-53.pdf
Keywords: friction parameters, avalanches, front dynamics, photogrammetry, voellmy, rheology
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Title: Mathematical Modeling of Slope Flows Entraining Bottom Material
Date: 2013-10-07
Authors: Eglit M.E, Yakubenko A.E.
Description: Entrainment of bottom material by the slope flows (such as snow avalanches, debris flows and so on) essentially influences on their dynamics, so it s...
Object ID: ISSW13_paper_P2-56.pdf
Keywords: slope flows, entrainment of bottom material
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Title: Granulation of Snow
Date: 2013-10-07
Authors: Walter Steinkogler, Betty Sovilla, Michael Lehning
Description: The mobility of an avalanche, i.e. its potential to move faster and further, can strongly differ for individual avalanches even if the release conditi...
Object ID: ISSW13_paper_P2-58.pdf
Keywords: snow avalanche, granulation, snow temperature, mobility
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Title: A Comparison of Terrain-Based Parameter, Wind-Field Modelling and TLS Snow Depth Data for Snow Drift Modelling
Date: 2013-10-07
Authors: Alexander Prokop, Peter Schön, Vincent Vionnet, Florence Naaim-Bouvet, Gilbert Guyomarc’h, Yves Durand, Hervet Bellot, Florain Singer, Kouichi Nishimura
Description: Wind and the associated snow drift are dominating factors determining the snow distribution and accumulation in alpine areas, resulting in a in high s...
Object ID: ISSW13_paper_P2-60.pdf
Keywords: snow, wind, redistribution, tls, terrain parameter, arps
View additional details about A Comparison of Terrain-Based Parameter, Wind-Field Modelling and TLS Snow Depth Data for Snow Drift Modelling

Title: Wind Tunnel Blowing Snow Study: Steady and Unsteady Properties of Wind Velocity, Mass Fluxes and Mass Exchanges
Date: 2013-10-07
Authors: Mohamed Naaim, Florence NAAIM-BOUVET, Kouichi NISHIMURA, Osamu ABE, Yoichi ITO, Masaki NEMOTO, Kenji KOSUGI
Description: Several CFD snow drift models were proposed in the literature. These models include various assumptions and scaling laws representing the mass exchan...
Object ID: ISSW13_paper_P2-62.pdf
Keywords: wind, boundary layer, snow, drifting snow, experimental investigations, saltation, roughness, erosion rate
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Title: Simulations of Blowing Snow Over Antarctica
Date: 2013-10-07
Authors: Hubert Gallée, Alexandre Trouvilliez, Charles Amory, Cécile Agosta, Christophe Genthon, Xavier Fettweis, Vincent Favier, Florence Naaim-Bouvet
Description: The regional climate model MAR has been used to simulate transport of snow by the wind in Adélie Land, Antarctica, over a small domain (500 x 500 k...
Object ID: ISSW13_paper_P2-64.pdf
Keywords: climate modeling, antarctica, snow transport by the wind, snow pack
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Title: Preliminary Measurements and Survey of Snowdrift at the Seehore Avalanche Test Site – Aosta Valley (IT)
Date: 2013-10-07
Authors: Maggioni M., Durand N., Frigo B., Pallara O., Freppaz M., Dellavedova P., Segor V., Naaim- Bouvet F., Bellot H.
Description: In high elevation areas drifting snow influences the snowpack spatial distribution and consequently its stability. The amount of snow drifted from th...
Object ID: ISSW13_paper_P2-65.pdf
Keywords: snowdrift, avalanche release zone, experimental data, nw italian alps
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Title: Technical Handbook “Wind Drift Control Structures in Mountainous Areas”
Date: 2013-10-07
Authors: Florence Naaim-Bouvet, et Michel Truche
Description: In mountainous areas, drifting snow generates a heterogeneous distribution of the snow: snow is eroded in high wind areas and deposited in sheltered a...
Object ID: ISSW13_paper_P2-66.pdf
Keywords: snow, wind, avalanche, wind drift control structure, snow fence, jet roof, wind baffle
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Title: Size Distribution, Schmidt Number and Terminal Velocity of Blowing Snow Particles in the French Alps: Comparison With Previous Studies
Date: 2013-10-07
Authors: Florence Naaim-Bouvet, Hervé Bellot, Mohamed Naaim, Kouichi Nishimura
Description: Wind-transported snow is a common phenomenon in French Alps, creating snowdrifts and contributing significantly to the loading of avalanche release a...
Object ID: ISSW13_paper_P2-67.pdf
Keywords: snow, wind, drifting snow, blowing snow, model, sensor
View additional details about Size Distribution, Schmidt Number and Terminal Velocity of Blowing Snow Particles in the French Alps: Comparison With Previous Studies