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Your search for Subject "slab avalanches"resulted in 23 records.

Title: Unusual Dry Slab Avalanche Releases Involving Dust-on-Snow Layers in Colorado
Date: 2016-10-02
Authors: Zach M. Guy, Jeffrey S. Deems
Description: In recent decades, dust-on-snow events are increasing in both frequency and geographic extent in the Western U.S. Although dust layers have gained a r...
Object ID: ISSW16_O3.03.pdf
Keywords: dust, slab avalanches, metamorphism, forecasting
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Title: A Mechanism for Cooling-Related Slab Avalanche Release
Date: 2012
Authors: James A. Floye
Description: Strong anecdotal evidence exists suggesting cooling is an important factor for slab avalanche release. Despite this, a viable mechanism for it has no...
Object ID: issw-2012-252-255.pdf
Keywords: slab release, strain rate, weak layer, near-surface temperature change
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Title: Effects of El Niño and La Niña on Snow Avalanche Patterns
Date: 2012
Authors: D.M. McClung
Description: El Niño and La Niña affect global climate and atmospheric circulation to determine winter temperature and precipitation patterns. Both the winte...
Object ID: issw-2012-256-258.pdf
Keywords: climate change impact, maritime climates, dry slab avalanche
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Title: Spatial Variability of Snow Stratigraphy From Microwave Radar
Date: 2012
Authors: Hans Peter Marshall, J. And rew Gleason, Achim Heilig, Gary Koh, Matthew Sturm
Description: Slab avalanches occur because of the layered nature of the seasonal snowpack. Differences in metrological conditions during deposition, as well as dif...
Object ID: issw-2012-259-263.pdf
Keywords: spatial variability, radar, snow stratigraphy, snow depth
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Title: Relative Influence of Mechanical and Meteorological Factors on Avalanche Release Depth Distributions: An Application to French Alps
Date: 2012
Authors: Johan Gaume, Guillaume Chambon, Nicolas Eckert, Mohamed Naaim
Description: The evaluation of avalanche release depth distributions represents a challenging issue for the mapping, zoning and long-term hazard management in moun...
Object ID: issw-2012-644-649.pdf
Keywords: snow avalanche release, snowpack stability, avalanche mechanics, deep slab avalanches
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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
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Title: Spatial Variations in Snowslope Stability: Insights from Observations During Active Control on the Milford Road, New Zealand
Date: 2009
Authors: Zach M. Guy, Karl W. Birkeland
Description: Slab avalanches initiate from relatively small (1-10m length) zones of basal weakness. Knowledge of the location of these “deficit zones”...
Object ID: ISSW_O-017.pdf
Keywords: milford road, spatial variations, snowslope stability
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Title: New Insights Into Skier-Triggering of Slab Avalanches
Date: 2010
Authors: Joachim Heierli, Karl W. Birkeland, Ron Simenhois, Peter Gumbsch
Description: Most skiers trigger the slab avalanche in which they are caught. Preventing those accidents necessitates a better understanding of the factors contrib...
Object ID: ISSW_O-040.pdf
Keywords: skier-triggering, slab avalanches, anticrack model, risk
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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: On Surface Warming and Snow Instability
Date: 2010
Authors: Jürg Schweizer, Bruce Jamieson
Description: Warming is believed to be one of the most prominent causes of snow instability – although experimental evidence is rare. We know that – ...
Object ID: ISSW_P-058.pdf
Keywords: surface warming, slab avalanches, dry-snow, near-surface layers
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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: Fracture Energy of Weak Snowpack Layers
Date: 2010
Authors: Jürg Schweizer, Alec van Herwijnen, Benjamin Reuter
Description: Recent experimental and theoretical work has provided new insight into weak layer fracture in view of dry-snow slab avalanche release. The two main pa...
Object ID: ISSW_P-079.pdf
Keywords: snowpack layers, fracture, dry snow
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Title: Natural Glide Slab Avalanches, Glacier National Park, USA: A Unique Hazard and Forecasting Challenge
Date: 2006
Authors: Blase A. Reardon, Daniel B. Fagre, Mark Dundas, Chris Lundy
Description: In a museum of avalanche phenomena, glide cracks and glide avalanches might be housed in the “strange but true” section. These oddities ar...
Object ID: issw-2006-778-785.pdf
Keywords: avalanche forecasting, natural avalanches, glide avalanches, glacier national park
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Title: The Extended Column Test: A Field Test for Fracture Initiation and Propagation
Date: 2006
Authors: Ron Simenhois, Karl Birkeland
Description: For dry slab avalanches, fractures initiate and propagate in a weak layer or along an interface. Current field tests like compression or stuffblock t...
Object ID: issw-2006-079-085.pdf
Keywords: stability test, avalanche forecasting, stability assessment, fracture propagation
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Title: Snow Cornice Development and Failure Monitoring
Date: 2006
Authors: Robert A. Burrows, David M. McClung
Description: Snow cornices are significant winter alpine and snow avalanche hazards. A cornice is a leeward growing mass of snow overhanging from a ridge or sharp ...
Object ID: issw-2006-129.pdf
Keywords: cornice failure, monitoring, slab fractures, solar radiation
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