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

Title: Three Years Snownet Project Hafelekar/ Innsbruck
Date: 2009
Authors: Lambert Rammer, Matthias Granig
Description: This paper gives information about the results of three years Snow Net Project at the Hafelekar at 2250m a.s.l. above Innsbruck/ Tyrol, performed by t...
Object ID: issw-2009-0582-0586.pdf
Keywords: flexible avalanche protection, snow net systems, instrumentation, force monitoring, anchor tests, corrosion of wire ropes
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Title: Comparing Fracture Propagation Tests and Relating Test Results to Snowpack Characteristics
Date: 2008-09-26
Authors: Cameron Ross, Bruce Jamieson
Description: The Propagation Saw Test (PST) and the Extended Column Test (ECT) are two recently and independently developed field tests that indicate the propensit...
Object ID: P__8177.pdf
Keywords: fracture propagation, snowpack stability test, extended column test, propagation saw test, avalanche forecasting, snowpack properties
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Title: Application of the Field Stability Evaluation Methods to the Snow Conditions of the Eastern Pyrenees
Date: 2008-09-26
Authors: Ivan Moner, Jordi Gavaldà, Montserrat Bacardit, Carles Garcia, Glòria Martí
Description: Field methods for stability evaluation were recently developed and validated on the basis of skiertriggered slopes data from Switzerland and North Ame...
Object ID: P__8164.pdf
Keywords: slab avalanche, snow stability, stability evaluation, skier triggering, pyrenees
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Title: Comparison of Different Snow Stability Tests Including the Extended Column Test
Date: 2008-09-26
Authors: Kurt Winkler, Jürg Schweizer
Description: Several tests have been proposed in the past for evaluating snow stability. However, their performance is presently unclear since few comparative stud...
Object ID: P__8124.pdf
Keywords: snow cover stability, snow stability evaluation, stability test, avalanche forecasting
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Title: The Extended Column Test: Test Effectiveness, Spatial Variability, and Comparison with the Propagation Saw Test
Date: 2008-09-26
Authors: Karl W. Birkeland, Ron Simenhois
Description: The Extended Column Test (ECT) is a new stability test that aims to assess the fracture propagation potential across a 90 cm wide isolated column. Ini...
Object ID: P__8190.pdf
Keywords: ect, extended column test, fracture propagation, stability evaluation, avalanches
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Title: Predictions of the Propagation Saw Test: Comparisons with Other Instability Tests at Skier Tested Slopes
Date: 2008-09-26
Authors: Dave Gauthier, Bruce Jamieson
Description: Several new fracture propagation field tests have been presented in recent years. These are designed to provide specific information about propagation...
Object ID: P__8217.pdf
Keywords: propagation propensity, field test, instability assessment, snowpack properties, forecasting
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Title: The Effect of Snowpack Warming on the Stress Bulb Below a Skier
Date: 2008-09-26
Authors: Thomas Exner, Bruce Jamieson
Description: Skier induced stresses are believed to penetrate deeper into the snow pack with increasing snow temperatures, and hence initiation of a fracture in a ...
Object ID: P__8159.pdf
Keywords: snowpack stability, snowpack warming, avalanche forecasting, skier stress, skier triggering
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Title: Mixed Effect and Spatial Correlation Models for Analyzing a Regional Spatial Dataset
Date: 2008-09-26
Authors: Randall S. Mullen, Karl W. Birkeland
Description: Understanding the spatial variability of snow at many different scales is critically important for avalanche forecasting. This research uses new techn...
Object ID: P__8204.pdf
Keywords: mixed models, random effects, spatially dependent models, bridger mountains, stability tests
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Title: Estimating Rutschblock Stability from Snowmicropen Measurements
Date: 2008-09-26
Authors: Christine Pielmeier, Hans-Peter Marshall
Description: Stability prediction from SnowMicroPen (SMP) profiles would support avalanche forecasting operations, since stability information could be gathered mo...
Object ID: P__8126.pdf
Keywords: snowpack stability, rutschblock, micro penetrometer, mechanical properties, avalanche forecasting
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Title: Investigations on Snow Hardness as a Measure to Determine Shear Strength
Date: 2008-09-26
Authors: Peter Höller, Reinhard Fromm
Description: The shear strength plays an important role in avalanche formation. However, investigations on shear strength in the field are time-consuming, in parti...
Object ID: P__8065.pdf
Keywords: snow hardness, shear strength, snow density
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Title: Evaluating the Importance of Crystal-Type on New Snow Instability: A Strength vs. Stress Approach Using the SNOSS Model
Date: 2008-09-22
Authors: Jerry Casson, Mark Stoelinga, John Locatelli
Description: Understanding new snow instability is the key factor in predicting the release of direct action avalanches during storm cycles. The compaction rates, ...
Object ID: P__8046.pdf
Keywords: crystal-type, shear strength, densification, direct action avalanche, stability
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Title: Statistical Assessment of Regional Avalanche Danger Using Parameters from the Snow Cover Model Snowpack
Date: 2008-09-22
Authors: Michael Schirmer, Michael Lehning, Jürg Schweizer
Description: Numerical avalanche prediction with statistical methods using meteorological input parameters has shown insufficient results, mainly since snow cover ...
Object ID: P__8182.pdf
Keywords: avalanche forecasting, numerical simulation, snow cover model, snow cover stability, nearest neighbor, feature selection, genetic algorithm
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Title: On the Predictability of Snow Avalanches
Date: 2008-09-22
Authors: Jürg Schweizer
Description: Snow avalanches are generally rare and occasionally extreme events. In the general context of prediction and predictably of extreme events, we will ex...
Object ID: P__8205.pdf
Keywords: snow stability evaluation, avalanche forecasting, risk management
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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
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Title: AK Block Project Status Update 2008
Date: 2008-09-26
Authors: Bill Glude, Randall S. Mullen
Description: The AK Block is a large block snow test sized to the tester's weight and their ski or snowboard contact length, dug out on three sides, and loaded muc...
Object ID: P__8059.pdf
Keywords: avalanche, snow stability tests, block tests, sized-block, ak block, rutschblock
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