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Your search for Subject stability (propagation tests)resulted in 184 records.

Title: The Effect of Additional Snow Load on Extended Column Test and Propagation Saw Test Results
Date: 2010
Authors: Ron Simenhois, Karl Birkeland
Description: The number of skier triggered dry slab avalanches typically increases during or shortly after snow loading events. However, field observations and res...
Object ID: ISSW_O-041.pdf
Keywords: extended column test, propagation saw test, snow, dry slab
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Title: Numerical Modeling of Fracture Propagation in Slabs
Date: 2010
Authors: Chris Borstad, David McClung
Description: We present the results of numerical simulations of tensile failure of snow samples. Several material models for quasibrittle tensile failure were impl...
Object ID: ISSW_O-042.pdf
Keywords: fracture propagation, slab avalanche, elastic modulus, fracture energy
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Title: Fiber Optic Distributed Temperature Sensing in Avalanche Research
Date: 2010
Authors: M. Woerndl, A. Prokop, S. W. Tyler, C. E. Hatch, J. Dozier
Description: Knowledge about snow pack stability at a certain location and at a certain point in time is important for avalanche practitioners and backcountry trav...
Object ID: ISSW_P-007.pdf
Keywords: snow temperature, snow pack, driving forces
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Title: When To Dig? Thoughts On Estimating Slope Stability
Date: 2010
Authors: Sascha Bellaire, Bruce Jamieson, Jürg Schweizer
Description: Information about the snow cover stability is crucial for avalanche forecasting and for winter backcountry recreation. For a reliable estimation of sn...
Object ID: ISSW_P-020.pdf
Keywords: slope stability, avalanche forecasting, winter backcountry recreation
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Title: Free-Ride: Local Evaluation of Avalanche Danger in Valgrisenche - Aosta Valley (I)
Date: 2010
Authors: P. Dellavedova, D. Garin, V. Segor
Description: During the months of February and March 2010, in the north-west part of Western Alps in Aosta Valley where the practice of free-ride heliski is regula...
Object ID: ISSW_P-022.pdf
Keywords: free-ride, stability test
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Title: Snow Variability and Validity of Snow Stability Assessment
Date: 2010
Authors: Pavel Chernous, Yuri Fedorenko, Nikolay Barashev, Yuri Seliverstov
Description: Results of the field studies of spatial snow variability on mountain slopes for such regions as: the Khibini Mountains, the Altai Mountains, the Baika...
Object ID:
Keywords: snow stability, mountain slopes, snow thickness, density, shear strength
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Title: Some Insights Into Fracture Propagation in Weak Snowpack Layers
Date: 2010
Authors: Joachim Heierli, Alec van Herwijnen, Peter Gumbsch, Michael Zaiser
Description: Dry snow slab avalanches form when fracture, once initiated in a weak snowpack layer, propagates over large distances, progressively debonding a vast ...
Object ID: ISSW_P-078.pdf
Keywords: dry snow, weak snowpack layers, fracture
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Title: Wet Snow Diurnal Evolution and Stability Assessment
Date: 2009
Authors: Frank Techel, Christine Pielmeier
Description: Wet snow avalanches pose a threat to snow recreationists and to infrastructure such as mountain roads. The timing of wet snow avalanche formation is d...
Object ID: issw-2009-0256-0261.pdf
Keywords: wet snow, snow stability, water content, rutschblock test, extended column test, shovel shear test, persistent weak layer
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Title: Rainonsnow Avalanches: Forecasting the Return to Stability
Date: 2009
Authors: Howard Conway, Wayne Carran, Ann Carran
Description: Mid-winter rain-on-snow often results in avalanches that threaten the Milford Road between TeAnau and Milford Sound on the southwest coast of new Zea...
Object ID: issw-2009-0267-0270.pdf
Keywords: rainonsnow, avalanches, forecasting
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Title: The Effect of Daytime Warming on Snowpack Creep
Date: 2009
Authors: Thomas Exner, Bruce Jamieson
Description: Snowpack warming is, besides loading by precipitation and wind-transport, one of the major triggers contributing to natural avalanche release. Establi...
Object ID: issw-2009-0271-0275.pdf
Keywords: snowpack creep, daytime warming, stability, field measurements, avalanche forecasting
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Title: Validating the Propagation Saw Test on the Slope Scale
Date: 2009
Authors: Cameron Ross, Bruce Jamieson
Description: Over the past few seasons, the Propagation Saw Test (PST) has gained increasing acceptance in some guiding and highway operations in western North Am...
Object ID: issw-2009-0282-0286.pdf
Keywords: fracture propagation, snowpack stability, propagation saw test, avalanche forecasting
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Title: Where to Dig? – On Optimizing Sampling Strategy
Date: 2009
Authors: Jürg Schweizer, Sascha Bellaire
Description: Snow slope stability evaluation is often based on a single test location within a slope. However, we know that snow cover properties and stability may...
Object ID: issw-2009-0298-0300.pdf
Keywords: snow avalanche release, snow stability evaluation, snow stability test
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Title: Regional Stability Evaluation With Modelled Snow Cover Data
Date: 2009
Authors: Michael Schirmer, Jürg Schweizer, Michael Lehning
Description: Stability (or the probability of avalanche occurrence or release) is probably the key factor defining the avalanche danger level. Most snow stability ...
Object ID: issw-2009-0306-0312.pdf
Keywords: avalanche forecasting, snow stability, avalanche danger, snow cover, numerical modelling
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Title: The 2008-2009 Exceptional Snowfalls in the Italian Alpa: Threshold Sum Approach and Analysis of the SNOWPACK Model Stability Indices
Date: 2009
Authors: Fabiano Monti, Anselmo Cagnati, Mauro Valt
Description: The 2008-2009 winter season has been characterized by exceptional snowfalls in the Italian Alps; it has been one of the 3-4 snowiest seasons since 193...
Object ID: issw-2009-0318-0322.pdf
Keywords: avalanche forecasting, snow stability evaluation, snowpack stratigraphy, snowpack model
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Title: Snow and Avalanche: The Influence of Forest on Snowpack Stability
Date: 2009
Authors: D. Viglietti, S. Letey, R. Motta, M. Maggioni, M. Freppaz
Description: Snow avalanches are among the most important disturbances that affect mountain ecosystems, influencing forest dynamics, establishment and mortality pr...
Object ID: issw-2009-0323-0327.pdf
Keywords: forest, snow, avalanches, protective function
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