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Your search for Subject Snow Instabilityresulted in 708 records.

Title: Effects of Saharan Dust Outbreaks on the Snow Stability in the Pyrenees
Date: 2016-10-02
Authors: Laetitia Chomette, Montse Bacardit, Jordi Gavaldà, Ivan Moner
Description: Saharan dust outbreaks occur nearly every winter in the Pyrenees. It is well established that dust layers on the top of the snowpack reduce the snow a...
Object ID: ISSW16_P3.02.pdf
Keywords: snowpack structure, variability and metamorphism; avalanche formation, release and dynamics
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Title: Back When it Used to Snow: An Analysis of 65 Years of Snowfall Data in the Pacific Northwest
Date: 2016-10-02
Authors: Dan Veenhuizen
Description: The Stevens Pass area has a long history of use as a transportation and recreation corridor. A major US highway and railroad run through the region, a...
Object ID: ISSW16_P3.03.pdf
Keywords: snowfall trends, data analysis, el nino southern oscillation, stevens pass
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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: Climate Change Impacts on Utah's Central Wasatch Snowpacks
Date: 2016-10-02
Authors: Rand Decker, Hugo Froyland
Description: Climate change has resulted in winters that are much different than in previous decades. For the better part of 20 years, the central and southern Roc...
Object ID: ISSW16_P3.09.pdf
Keywords: snowpack distribution, climate change, snowmelt, drought
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Title: Effects of Bark Beetle Attacks on Snowpack and Snow Avalanche Hazard
Date: 2016-10-02
Authors: Michaela Teich, Martin Schneebeli, Peter Bebi, Andrew D. Giunta, Curtis A. Gray, Michael J. Jenkins
Description: Unprecedented bark beetle outbreaks across western North America have resulted in the death of millions of trees, which profoundly affects snowpack in...
Object ID: ISSW16_P3.10.pdf
Keywords: subcanopy snow stratigraphy, avalanche protection forest, spruce beetle, snowmicropen
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Title: A Detailed Framework of the Snow and Avalanche Dynamics Class at the University of Utah
Date: 2016-10-02
Authors: Steven Clark
Description: Traditional certification-based avalanche education is often completed in short, intensive time periods that leaves many students wanting more detaile...
Object ID: ISSW16_P3.43.pdf
Keywords: education, 5e instructional model, fieldwork, semester
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Title: Some Characteristics of Upside-Down Storms in the Northern Sierra Nevada, California-Nevada, USA
Date: 2016-10-02
Authors: Benjamin Hatchett, Michael L. Kaplan, Susan Burak
Description: Upside-down storms (UDSs) are winter precipitation events where temperature increases with time. We postulate that all mid-winter increases in streamf...
Object ID: ISSW16_P4.03.pdf
Keywords: upside-down storm, snow level, snow hydrology, atmospheric river
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Title: Estimation of New Snow Density Using 42 Years of Meteorological Data from Jackson Hole Mountain Resort, Wyoming
Date: 2016-10-02
Authors: Patrick J. Wright, Bob Comey, Chris McCollister, Mike Rheam
Description: New snow density is a key parameter for daily forecasting of avalanche hazard. However, there is currently not a reliable automated measurement of new...
Object ID: ISSW16_P4.05.pdf
Keywords: snow density, snow water equivalent, avalanche forecasting
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Title: Synoptic Meteorological Conditions Associated With Snow Drift And Avalanche Activity in a High Arctic Maritime Snow Climate
Date: 2016-10-02
Authors: Holt J. Hancock, Jordy Hendrikx, Karl Birkeland, Markus Eckerstorfer, Hanne H. Christiansen
Description: Avalanche activity in snow climates dominated by direct-action avalanches is primarily controlled by the local and synoptic scale meteorological condi...
Object ID: ISSW16_P4.06.pdf
Keywords: snow drift, synoptic avalanche forecasting, svalbard
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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: Validation of a Coupled Weather and Snowpack Model Across Western Montana
Date: 2016-10-02
Authors: Kyle Van Peursem, Jordy Hendrikx, Karl Birkeland, Dan Miller, Chris Gibson
Description: Predicting avalanche danger depends on knowledge of the existing snowpack structure and the current and forecasted weather conditions. In remote and d...
Object ID: ISSW16_P4.11.pdf
Keywords: snow cover models, weather models, snowpack, wrf, avalanche forecasting
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Title: Description and Evaluation of the New French Operational Chain of Models for Avalanche Hazard Forecasting Incorporating a Drifting Snow Scheme
Date: 2016-10-02
Authors: Gilbert Guyomarch, Vincent Vionnet, Matthieu Lafaysse, Gérald Giraud, Yannick Déliot, Florence Naaim-Bouvet
Description: It is well known by avalanche forecasters that wind plays a determinant role in shaping the small-scale distribution of snow and strongly influences t...
Object ID: ISSW16_P4.14.pdf
Keywords: drifting snow events, tools for avalanche forecasters, avalanche hazard forecasting
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Title: Monitoring Avalanches on Ca 120 in Yosemite National Park
Date: 2016-10-02
Authors: Sue Burak, Edward Bair
Description: Avalanches are a serious hazard to Yosemite National Park personnel during spring snow removal operations along California Highway 120, the Tioga Pass...
Object ID: ISSW16_P4.21.pdf
Keywords: avalanche, glide, yosemite national park, wet snow
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Title: The Five Decisive Avalanche Problems
Date: 2016-10-02
Authors: Rudi Mair
Description: Making forecasts and compiling studies of hundreds of avalanches for 25 years have demonstrated one thing to us: Avalanches are no coincidence. They ...
Object ID: ISSW16_P4.25.pdf
Keywords: danger patterns, snowdrifts, gliding snow, old snow, fresh-fallen snow, wet snow
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