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Your search for Subject skier-triggered avalanchesresulted in 163 records.

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: On the Practical Knowledge About Snow and Avalanches - What Are the Improvements in the Last Century or Do We Still Use Well-Known Findings?
Date: 2010
Authors: Peter Höller
Description: This somewhat provocative title induces a couple of further provocative questions: Are welltried findings which were already identified 80 to 100 year...
Object ID: ISSW_O-021.pdf
Keywords: avalanche education, historical overview, backcountry skiing
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Title: Characteristics of Old-Deep-Slab Avalanches
Date: 2010
Authors: David Tracz, Bruce Jamieson
Description: Deep and old slab avalanches (ODS) are often hard-to-forecast. The size and destructive potential of ODS avalanches can be disturbing. As a starting p...
Object ID: ISSW_O-028.pdf
Keywords: avalanches, slab depth, age
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Title: Which OBS for Which Avalanche Type?
Date: 2010
Authors: Bruce Jamieson, Jürg Schweizer, Grant Statham, Pascal Haegeli
Description: At the 2004 ISSW, Roger Atkins proposed that—early in the terrain selection process— backcountry travellers could identify which types o...
Object ID: ISSW_O-029.pdf
Keywords: avalanches types, atkins’ approach
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Title: Predicting Wet Snow Avalanches at the Arapahoe Basin Ski Area
Date: 2010
Authors: Leif Eric Borgeson, Hal Hartman
Description: Premature terrain closures, due to wet snow instability, lead to unhappy skiers during the annual snowmelt period. Furthermore, wet snow avalanches ar...
Object ID: ISSW_O-031.pdf
Keywords: wet snow instability, wetting fronts, crack propagation pathways
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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 the Sustainability and Arrest of Weak Layer Fracture in Whumpfs and Avalanches
Date: 2010
Authors: Dave Gauthier, Bruce Jamieson
Description: Recent theoretical and practical descriptions of weak layer fracture have focused on the mechanics of achieving a state of propagation, which is assum...
Object ID: ISSW_O-043.pdf
Keywords: whumpfs, avalanches, en-echelon slab fractures,
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Title: Safety Concept for Hazards Caused by Ice Avalanches from the Whymper Hanging Glacier in the Mont Blanc Massif
Date: 2010
Authors: Stefan Margreth, Martin Funk, Marco Vagliasindi, Massimo Broccolato
Description: The Whymper glacier is a hanging glacier located on the south face of the Grandes Jorasses (Mont Blanc Massif, Italy). Combined snow and ice avalanche...
Object ID: ISSW_O-055.pdf
Keywords: ice avalanche, safety concept, hazard map
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Title: Infrasound Monitoring of Snow Avalanches Activity in the Italian Alps
Date: 2010
Authors: M. Ripepe, G. Ulivieri, Marchetti E., V. Segor, I. Chiambretti, L. Pitet, P. Dellavedova
Description: Risk assessment of snow avalanches is mostly related to weather conditions and snow cover. However a rigorous risk validation is required to identify ...
Object ID: ISSW_P-017.pdf
Keywords: infrasound monitoring, infrasound array, avalanche
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Title: Potential Changes in the Frequency of Rain-On-Snow Events for U.S. Cascades Ski Areas As A Result of Climate Change: Projections for Mt Bachelor, Oregon in the 21rst Century
Date: 2010
Authors: Brian Lazar, Mark W. Williams
Description: We evaluate how climate change resulting from increased greenhouse gas (GHG) emissions may affect the frequency of rain-on-snow events at Mt. Bachelo...
Object ID: ISSW_P-024.pdf
Keywords: climate change, rain-on-snow, avalanches, mt bachelor, ski areas, cascades
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Title: Visitor Risk Management Applied to Avalanches in New Zealand
Date: 2010
Authors: Don Bogie, Mike Davies
Description: The Department of Conservation (DOC) manages a third of the land in New Zealand. This is also where the majority of avalanches occur. Many huts, track...
Object ID: ISSW_P-037.pdf
Keywords: visitor risk management, department of conservation, avalanche terrain
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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: A Historical Analysis of the Stanley Avalanche Area with Implications for Predicting Road-Hit Avalanches, Berthoud Pass, Colorado
Date: 2010
Authors: Matthew Primomo, Mark W. Williams
Description: The Stanley avalanche area is commonly regarded as one of the most dangerous to impact a roadway in the state of Colorado. Weather and snowpack struct...
Object ID: ISSW_P-071.pdf
Keywords: berthoud pass, snowpack, forecast, wind patterns, precipitation
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