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Your search for Subject unconfined slab avalanchesresulted in 230 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: The Effect of Increasing Load on Weak Layer Fracture
Date: 2016-10-02
Authors: Karl W. Birkeland, Alec van Herwijnen
Description: Avalanches failing on buried weak layers tend to be easier to trigger during or immediately following snowfall, suggesting that loading favorably chan...
Object ID: ISSW16_O1.03.pdf
Keywords: fracture, loading, slab, particle tracking velocimetry, propagation saw test
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Title: Southcentral Alaska's Crack Problem: a 2015/16 Glide Avalanche Case Study
Date: 2016-10-02
Authors: Aleph Johnston-Bloom, Scott Hilliard, Wendy Wagner, Timothy Glassett, Heather Thamm
Description: Along the Seward Highway corridor in Southcentral Alaska, the winter of 2015/16 was defined by a profound and active glide avalanche cycle. Persisting...
Object ID: ISSW16_O3.01.pdf
Keywords: glide avalanches, alaska, operational decision-making, message fatigue
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Title: Comparison of Measured and Modelled Snow Cover Liquid Water Content to Improve Local Wet-Snow Avalanche Prediction
Date: 2016-10-02
Authors: Christoph Mitterer, Achim Heilig, Lino Schmid, Alec van Herwijnen, Olaf Eisen, Jürg Schweizer
Description: Wet-snow avalanches can be difficult to forecast. However, recent studies have suggested that an index (LWCindex) related to the mean liquid water con...
Object ID: ISSW16_O6.01.pdf
Keywords: wet-snow avalanches, avalanche forecasting, liquid water content
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Title: Operational Forecasting of Wet Snow Avalanche Activity: a Case Study for the Eastern European Alps
Date: 2016-10-02
Authors: Andreas Gobiet, Christoph Mitterer, Lisa Jöbstl, Walter Steinkogler, Hannes Rieder, Marc Olefs, Arnold Studeregger, Fabiano Monti, Sascha Bellaire
Description: The prognostic operation of detailed snowpack models has recently been objective of extensive research, since many avalanche services start to move fr...
Object ID: ISSW16_O6.02.pdf
Keywords: forecast, wet-snow avalanches, lwcindex, snowpack
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Title: Regional Forecasting of Wet Snow Avalanche Cycles: an Essential Tool for Avalanche Warning Services?
Date: 2016-10-02
Authors: Sascha Bellaire, Alec van Herwijnen, Christoph Mitterer, Nora Helbig, Tobias Jonas, Jürg Schweizer
Description: Wet-snow avalanches are relatively poorly understood and difficult to forecast. By definition, liquid water is required in the snow cover, thus predic...
Object ID: ISSW16_O6.03.pdf
Keywords: avalanche forecasting, wet-snow avalanche, snow cover modelling, numerical weather prediction
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Title: Analysis of the Hazard Caused by Ice Avalanches From the Hanging Glacier on the Eiger West Face
Date: 2016-10-02
Authors: Stefan Margreth, Martin Funk, Daniel Tobler, Pierre Dalban, Lorenz Meier, Juerg Lauper
Description: The Eiger hanging glacier is located in the west face of the Eiger in the Bernese Alps (Swit-zerland). Large ice avalanches, especially if they trigge...
Object ID: ISSW16_O7.04.pdf
Keywords: risk management, ice avalanche, avalanche simulation, hazard assessment
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Title: Triggered Avalanche - a Case Study From the Italian Alps
Date: 2016-10-02
Authors: Igor Chiambretti, Bernardino Chiaia, Barbara Frigo
Description: The 6th February 2014, two parties of 25 Heli-skiers (6 guides and 19 clients) and 3 snow observers were on activity on a large bowl at 2800 m elevati...
Object ID: ISSW16_O8.02.pdf
Keywords: heli ski; triggered avalanche; accident case study
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Title: Vulnerability of Houses and Persons Under Avalanche Impact – The Avalanche at Longyearbyen on 2015-12-19
Date: 2016-10-02
Authors: Dieter Issler, Jónsson Árni, Peter Gauer, Ulrik Domaas
Description: This study uses data from the avalanche that killed two persons and destroyed eleven essentially identical wood-frame houses in Longyearbyen, Svalbard...
Object ID: ISSW16_O16.03.pdf
Keywords:
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Title: The Most Disastrous Avalanche Events in Austria Since 1946/47
Date: 2016-10-02
Authors: Peter Höller
Description: Avalanches are one of the principal natural hazards in alpine regions, resulting frequently in disastrous accidents. In this paper accidents with 5 or...
Object ID: ISSW16_O18.01.pdf
Keywords: avalanche accidents, avalanche fatalities, avalanche history
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Title: Evolution of an Avalanche Program: From Artillery to Infrastructure
Date: 2016-10-02
Authors: Jamie Yount, Brian Gorsage
Description: The Wyoming Department of Transportation (WYDOT) has used artillery for avalanche reduction on State and Federal highways near Jackson, WY since 1972....
Object ID: ISSW16_O19.03.pdf
Keywords: avalanche, infrastructure, gazex, obellx, howitzer, snow structures, transportation
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Title: Towards the Automatic Detection of Avalanches in Seismic Data Using Hidden Markov Models
Date: 2016-10-02
Authors: Matthias Heck, Conny Hammer, Alec van Herwijnen, Jürg Schweizer, Donat Fäh
Description: Seismic monitoring systems are well suited for the remote detection of various mass movements, including snow avalanches. While this has been known si...
Object ID: ISSW16_O14.04.pdf
Keywords: automatic detection, classification, seismic monitoring
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Title: A New Crack Propagation Criterion for Skier-Triggered Snow Slab Avalanches
Date: 2016-10-02
Authors: Johan Gaume, Benjamin Reuter, Alec van Herwijnen, Jürg Schweizer
Description: Dry-snow slab avalanches begin with a local failure in a weak snowpack layer buried below cohesive slab layers. If the size of the failed zone exceeds...
Object ID: ISSW16_P1.01.pdf
Keywords: snow avalanche, skier-triggering, failure initiation, crack propagation, pst, slab, weak layer
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Title: Monitoring the Stavbrekka Glide Avalanche
Date: 2016-10-02
Authors: Tore Humstad, Martin Venås, Halgeir Dahle, Knut I. Orset, Ingrid Skrede
Description: The yearly Stavbrekka glide avalanche is problematic for the summer opening of the tourist road between Breidalen and Geiranger in Norway. Several eff...
Object ID: ISSW16_P1.05.pdf
Keywords: wet snow, glide avalanche, monitoring, instrumentation
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Title: Acceleration Processes of Snow Glide Prior to Full-Depth Avalanche Release on Shrub Slopes in the Temperate Heavy-Snow Region of Japan
Date: 2016-10-02
Authors: Katsuhisa Kawashima, Tsutomu Iyobe, Takane Matsumoto
Description: In the temperate heavy-snow region of Japan, most of snow avalanche disaster arise as a consequence of the full-depth glide avalanche in the area with...
Object ID: ISSW16_P1.07.pdf
Keywords: full-depth glide avalanche, snow glide, avalanche release, shrub slope
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