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Your search for Subject snow pack stabilityresulted in 752 records.

Title: Study on the Model to Estimate the Snow Property of the Slope Snowpack
Date: 2016-10-02
Authors: Ryota Sato, Yasushi Kamata, Masaya Shishido
Description: To ensure the safety of train operations for full depth avalanche, it is important to estimate the stability of the slope snow. And then, it is necess...
Object ID: ISSW16_P1.37.pdf
Keywords: stability of the slope snowpack, physical properties, amedas weather data
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Title: The Effects of Different Methods of Compaction on Snowpack Stability
Date: 2016-10-02
Authors: Diana Saly, Jordy Hendrikx, Karl Birkeland, Stuart Challender, Tom Leonard
Description: The interaction between snowpack layers determines the snowpack stability. It follows that disrupting layers may improve stability. Ski patrols and gu...
Object ID: ISSW16_P2.02.pdf
Keywords: compaction, snowpack stability, stability test, boot-packing, ski compaction
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Title: Comparison of ECT, RB, Threshold Sum and Relative Threshold Sum Approach to To Snowpack Instability Evaluation - New Results
Date: 2016-10-02
Authors: Igor Chiambretti, Fabiano Monti, Mauro Valt
Description: The Italian regional avalanche forecasting services (AINEVA) collect snowpack observations such as snowpack profiles or stability tests on a daily or ...
Object ID: ISSW16_P3.05.pdf
Keywords: rutschblock (rb), extended column test (ect), structural instability indices, threshold sum (tsa), relative threshold sum (rta)
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Title: Evaluation of SNOWPACK Metamorphism and Microstructure in a Canadian Context: a Case Study for Snow Stability Assessment
Date: 2016-10-02
Authors: Jean-Benoit Madore, Kevin Côté, Alexandre Langlois
Description: The snow thermodynamic multi-layer model SNOWPACK was developed in order to address the risk of avalanches by simulating the vertical geophysical and ...
Object ID: ISSW16_P3.06.pdf
Keywords: snow grain, snowpack, avalanche, model, stability, metamorphism
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Title: Extended Column Test: Repeatability and Comparison to Slope Stability and the Rutschblock
Date: 2016-10-02
Authors: Frank Techel, Matthias Walcher, Kurt Winkler
Description: Information on snow stability is key information when assessing the avalanche situation. However, stability tests like the Extended Column Test (ECT) ...
Object ID: ISSW16_P4.08.pdf
Keywords: extended column test, rutschblock, test repeatability, snow stability, fracture propagation
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Title: Critical Length for the Onset of Crack Propagation in Snow: Reconciling Shear and Collapse
Date: 2016-10-02
Authors: Johan Gaume, Alec van Herwijnen, Guillaume Chambon, Nander Wever, Jürg Schweizer
Description: The failure of a weak snow layer buried below cohesive slab layers is a necessary, but insufficient condition for the release of a dry-snow slab avala...
Object ID: ISSW16_O1.02.pdf
Keywords: snow avalanche, crack propagation, critical length, slope angle, pst, slab, weak layer
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Title: The Role of Collapse in Avalanche Release: Review and Implications for Practitioners and Future Research
Date: 2016-10-02
Authors: Edward Bair, Johan Gaume, Alec van Herwijnen
Description: Reports of collapses and whumpfing sounds and their links to instability in the snowpack have been around for decades, but like many areas of snow sci...
Object ID: ISSW16_O1.04.pdf
Keywords: fracture, collapse, anticrack, extended column test, propagation saw test
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Title: Inter-Comparison of Snow Penetrometers (Ramsonde, Avatech SP2 and SnowMicroPen) in the Framework of Avalanche Forecasting
Date: 2016-10-02
Authors: Pascal Hagenmuller, Thibault Pilloix, Yves Lejeune
Description: Snow hardness, defined as the resistance against penetration of an object into snow, is a good mechanical indicator of the snowpack stratigraphy and i...
Object ID: ISSW16_O2.01.pdf
Keywords: penetrometer, hardness, avatech sp2, ramsonde, snowmicropen
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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: 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: UAV Borne Laser Scanning of Snow Surfaces
Date: 2016-10-02
Authors: Alexander Prokop, Florian Singer
Description: In snow and avalanche research, different methods are used increasingly to efficiently and accurately map snow surfaces and depths over an area of sev...
Object ID: ISSW16_O9.03.pdf
Keywords: snow depth mapping, laser scanning, uav, uas
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Title: Investigating the Thermophysical Properties of the Ice-Snow Interface, Part II: Thermal Contact Resistance
Date: 2016-10-02
Authors: Kevin Hammonds, Ian Baker
Description: As it turns out, spending many an extra cold and blustery minute trying to get those last few temperature readings to complete a textbook perfect "eve...
Object ID: ISSW16_O11.01.pdf
Keywords: ice lens, temperature gradient, effective thermal conductivity, thermal contact resistance, kinetic snow metamorphism
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Title: Measuring Snow Surface Temperature: Why, why Not, and How?
Date: 2016-10-02
Authors: Bruce Jamieson, Michael Schirmer
Description: Avalanche mitigation programs measures snow surface temperature, Tss, for up to three objectives: 1) to infer near surface faceting (NSF) from Tss and...
Object ID: ISSW16_O11.02.pdf
Keywords: surface temperature measurement, snow surface, infrared thermometers, contact thermometers, temperature gradient, near surface faceting
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