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Your search for Subject Snow Instabilityresulted in 708 records.

Title: The New Challenge is No More to Improve Prediction, But to Better Manage the Unexpected
Date: 2012
Authors: Alain Duclos
Description: While researchers are devoting their efforts for decades to improve avalanche forecasting, it still appears that the victims are almost always surpris...
Object ID: issw-2012-473-478.pdf
Keywords: avalanche forecasting, avalanche risk reduction, hazard
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Title: Reaching Snowmobile Riders With Effective Training Methods International Snow Science Workshop 2012, Identifying Unique, Captivating Educational Techniques Targeted to Reach Snowmobile Riders
Date: 2012
Authors: Debra McGhan, Dorothy Adler, Merletta Morris
Description: All across snow covered states, from bush villages in Alaska to the side streets of small towns, snowmachines have become an integral part of life. Al...
Object ID: issw-2012-516-522.pdf
Keywords: snowmobiles, public transportation, winter recreation
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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: Characterizing Microstructural Arrangement and Effective Properties of Dry Snow: Thermal Conductivity
Date: 2010
Authors: Richard H. Shertzer, Edward E. Adams, Martin Schneebeli
Description: A microstructural quantity, the contact tensor, is introduced to characterize the directional arrangement of bonding in the snowpack. The contact ten...
Object ID: ISSW_O-019.pdf
Keywords: microstructure, metamorphism, effective properties, conductivity, fabric tensor
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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: Snowpack Properties of Unstable Wet Snow Slopes: Observations From the Swiss Alps
Date: 2010
Authors: Frank Techel, Christine Pielmeier
Description: Next to meteorological parameters, snowpack properties play a major role in the formation of wet snow avalanches. We investigated profiles observed at...
Object ID: ISSW_O-036.pdf
Keywords: wet snow, snow stability, fracture line profiles, snowpack properties
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Title: How Snow Fails
Date: 2010
Authors: Ingrid Reiweger, Jürg Schweizer
Description: Dry-snow slab avalanches start with a failure in a weak layer below a cohesive slab. Avalanche release models start with an initial crack which may pr...
Object ID: ISSW_O-039.pdf
Keywords: dry-snow slab, cohesive slab, surface hoar
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Title: A Comparison of Avalanche Survival Patterns in Canada and Switzerland
Date: 2010
Authors: Pascal Haegeli, Markus Falk, Hermann Brugger, Hans-Jürg Etter, Jeff Boyd
Description: The survival pattern of completely buried individuals in open terrain has been depicted in the avalanche survival curve, which displays probability of...
Object ID: ISSW_O-059.pdf
Keywords: avalanche survival, asphyxia, trauma, snow climate, rescue regime
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Title: Playing CSI: A Case Study of the November 12, 2009 Bozeman, Montana Snow Event
Date: 2010
Authors: Benjamin J. Hatchett, Michael L. Kaplan, Darko K. Koracin, John F. Mejia
Description: On Wednesday November 11, 2009 the National Weather Service called for the passage of a front across southwestern Montana ahead of a weak low pressur...
Object ID: ISSW_O-064.pdf
Keywords: convective snowfall, spatial variability, unbalanced flow
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Title: A Paint Scraper Hardness Blade
Date: 2010
Authors: Chris Borstad, David McClung
Description: We present a new hand-held hardness gauge that measures penetration resistance over a length scale of about 100 grains. The apparatus consists of a 10...
Object ID: ISSW_P-001.pdf
Keywords: paint scraper, blade, penetration resistance, densification
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Title: Snow in Scotland: Snowmicropen Analysis of Natural and Artificial Snow Samples
Date: 2010
Authors: Tom W. Barraclough, Jane R. Blackford, Michael Zaiser
Description: The avalanche environment in Scotland differs from typical alpine environments. A warmer, maritime climate with regular high winds leads to a prevalen...
Object ID: ISSW_P-003.pdf
Keywords: snowmicropen analysis, natural, artificial
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Title: Snow Characterization by Facet Number and Size From Snow Pit Wall Photographs
Date: 2010
Authors: Mathias Gergely, Martin Schneebeli
Description: Faceted snow within a natural snowpack often weakens its stability, with depth hoar being a prime example for a persistent weak layer. Traditionally, ...
Object ID: ISSW_P-005.pdf
Keywords: faceted snow, depth hoar, persistent weak layers, snow properties, wind-pressed snow
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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: Evaluation of Norwegian Snow Pillow Stations
Date: 2010
Authors: Elise Trondsen, Knut Møen
Description: As 50 percent of annual precipitation falls as snow in Norway access to real time snow data - including snow water equivalent (SWE) - is of great impo...
Object ID: ISSW_P-015.pdf
Keywords: nve, snow pillow, norway, antifreezes, swe
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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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