International Snow Science Workshop Proceedings - Montana State University Library

skip navigation

Digital Collections Home

Your search for Subject artificially triggeringresulted in 35 records.

Title: Triggered Avalanche - a Case Study From the Italian Alps
Date: 2016-10-02
Authors: Igor Chiambretti, Bernardino Chiaia, Barbara Frigo
Description: The 6th February 2014, two parties of 25 Heli-skiers (6 guides and 19 clients) and 3 snow observers were on activity on a large bowl at 2800 m elevati...
Object ID: ISSW16_O8.02.pdf
Keywords: heli ski; triggered avalanche; accident case study
View additional details about Triggered Avalanche - a Case Study From the Italian Alps

Title: Artificial Avalanche Release and the Probability of Triggering Secondary Avalanches
Date: 2013-10-07
Authors: Lukas Stoffel, Stefan Margreth, Jurg Schweizer
Description: Today, avalanches are often artificially triggered to protect ski areas and to some extent, transportation routes and residential areas. During avalan...
Object ID: ISSW13_paper_O1-14.pdf
Keywords: artificial release of avalanches, secondary avalanches, application of artificial avalanche release, safety concept
View additional details about Artificial Avalanche Release and the Probability of Triggering Secondary Avalanches

Title: Influence of Summer and Winter Surface Topography on Numerical Avalanche Simulations
Date: 2013-10-07
Authors: Maggioni M., Bovet, E., Dreier, L., Buehler, Y., Godone, D., Bartelt, P., Freppaz M., Chiaia, B., Segor V.
Description: Numerical avalanche dynamics models are widely used to calculate extreme avalanches for hazard mapping and mitigation measure planning. A basic model ...
Object ID: ISSW13_paper_O1-21.pdf
Keywords: avalanche modelling, surface topography, running surface, uncertainty
View additional details about Influence of Summer and Winter Surface Topography on Numerical Avalanche Simulations

Title: Peut-On Identifier des Conditions Favorables au Départ d’Avalanches de Plaques de Fond en Neige Sèche Grâce à la Modélisation de la Neige?
Date: 2013-10-07
Authors: Gilles Brunot
Description: The conditions of natural triggering of full-depth slab avalanches are not well known. The mechanism is complex , due to creep phenomena which are ver...
Object ID: ISSW13_paper_P1-02.pdf
Keywords: full depth avalanche, favourable conditions, triggering, modelling
View additional details about Peut-On Identifier des Conditions Favorables au Départ d’Avalanches de Plaques de Fond en Neige Sèche Grâce à la Modélisation de la Neige?

Title: Modeling a Fluid/Solid Transition in Snow Weak Layers Application to Snow Avalanche Release
Date: 2013-10-07
Authors: François Louchet, Alain Duclos, Stephane Caffo
Description: A transition between solid and a fluid-like phases was evidenced and studied in the material made of loose ice crystals involved in snow avalanche re...
Object ID: ISSW13_paper_P1-11.pdf
Keywords: slab, triggering, weak layer, collapse, shear, whumpf
View additional details about Modeling a Fluid/Solid Transition in Snow Weak Layers Application to Snow Avalanche Release

Title: Evolution of Explosives and Safety Improvement in the Avalanche
Date: 2013-10-07
Authors: COSTECALDE Vincent
Description: The avalanche triggering has long done with explosives. The use of these products can effectively produce a shock wave powerful enough to do from an ...
Object ID: ISSW13_paper_P1-53.pdf
Keywords: explosives, emulsion, non-electric detonators, safety
View additional details about Evolution of Explosives and Safety Improvement in the Avalanche

Title: Improvement and Tracking of Helicopter Avalanche Triggering
Date: 2013-10-07
Authors: Jean Marc Neuville, Julien Aboulin, David Poulet, Bruno Farizy, Vincent Hélary, Roland Didier, Xavier Gallot-Lavallée
Description: This new concept called DaisyTrack is a registration unit complementary to the helicopter triggering system DaisyBell. It enables the person in charge...
Object ID: ISSW13_paper_P1-64.pdf
Keywords: preventive avalanche release, gas, traceability, geolocalisation
View additional details about Improvement and Tracking of Helicopter Avalanche Triggering

Title: Wet Snow Instabilities – Multiple Approaches to Lift the Veil
Date: 2013-10-07
Authors: Thomas Wiesinger, Martin Oberhammer, Johann Seiwald, Stefan Koch
Description: Wet snow avalanches are notoriously difficult to predict, since their formation mechanism is poorly understood and because the material snow is exactl...
Object ID: ISSW13_paper_P1-70.pdf
Keywords: wet snow, liquid water content, ground penetrating radar, artificial triggering
View additional details about Wet Snow Instabilities – Multiple Approaches to Lift the Veil

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
View additional details about Retrieving Avalanche Basal Friction Law From High Rate Positioning of Avalanches

Title: Determining Avalanche Modelling Input Parameters Using Terrestrial Laser Scanning Technology
Date: 2013-10-07
Authors: Alexander Prokop, Peter Schön, Florian Singer, Gaëtan Pulfer, Mohamet Naaim, Emmanuel Thibert
Description: In dynamic avalanche modelling, data about the volumes and areas of the snow released, mobilized and deposited are key input parameters, as well as th...
Object ID: ISSW13_paper_P2-59.pdf
Keywords: laser scanning, dynamic avalanche modelling, modeling
View additional details about Determining Avalanche Modelling Input Parameters Using Terrestrial Laser Scanning Technology

Title: Lautaret Avalanche Test Site: Outcomes from the 11th April 2012 Event
Date: 2012
Authors: Xavier Ravanat, Hervé Bellot, Frederic Ousset, Emmanuel Thibert, Mohamed Naaim
Description: The Lautaret full-scale avalanche test site has been used by Cemagref-Irstea since the early 70’s. The first studies were dedicated to avalanch...
Object ID: issw-2012-622-627.pdf
Keywords: snow, avalanche, experimental test-site, propagation model
View additional details about Lautaret Avalanche Test Site: Outcomes from the 11th April 2012 Event

Title: Potential Dry Slab Avalanche Trigger Zones on Wind-Affected Slopes
Date: 2012
Authors: Markus Eckerstorfer, Wesley R. Farnsworth, Karl W. Birkeland
Description: Experience suggests that shallow, steep zones on slopes are likely spots for artificially triggering slab avalanches. However, a scientific understand...
Object ID: issw-2012-462-466.pdf
Keywords: slope, release zones, weak layer
View additional details about Potential Dry Slab Avalanche Trigger Zones on Wind-Affected Slopes

Title: Estimating the Forecasting Success of Artificially Triggering of Avalanches with the Combination of Cluster and Discriminant Analysis
Date: 2009
Authors: Reinhard Fromm
Description: Meteorological conditions play an important role for the mechanical stability of the snowpack. Statistical algorithms can be used to determine the li...
Object ID: issw-2009-0366-0370.pdf
Keywords: avalanche forecast, cluster analysis, discriminant analysis
View additional details about Estimating the Forecasting Success of Artificially Triggering of Avalanches with the Combination of Cluster and Discriminant Analysis

Title: Avalanche Triggering by Sound: Myth and Truth
Date: 2009
Authors: Benjamin Reuter, Jürg Schweizer
Description: It remains a popular myth that avalanches can be triggered by noise. We will take a closer look and compare the impact of sound, the supersonic boom ...
Object ID: issw-2009-0330-0333.pdf
Keywords: snow avalanche, avalanche release, explosive control
View additional details about Avalanche Triggering by Sound: Myth and Truth

Title: Character of Naturally Triggered Avalanches and Cornice Failures
Date: 2008-09-22
Authors: Robert A. Burrows, David M. Mcclung
Description: Three meteorologically-related triggers of slab avalanches and cornice failure are observed by avalanche workers: (1) Snow loading during storm and wi...
Object ID: P__8198.pdf
Keywords: snow stability, avalanche, cornice, avalanche trigger
View additional details about Character of Naturally Triggered Avalanches and Cornice Failures