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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, JÃ¼rg 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; View additional details about Critical Length for the Onset of Crack Propagation in Snow: Reconciling Shear and Collapse

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, JÃ¼rg 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; View additional details about Comparison of Measured and Modelled Snow Cover Liquid Water Content to Improve Local Wet-Snow Avalanche Prediction

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, JÃ¼rg 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; View additional details about Regional Forecasting of Wet Snow Avalanche Cycles: an Essential Tool for Avalanche Warning Services?

Title: Combining Snowpack Models and Observations for Better Avalanche Danger Assessments: Date: 2016-10-02; Authors: Fabiano Monti, Christoph Mitterer, Walter Steinkogler, Mathias Bavay, Andrea Pozzi; Description: Now-casting of avalanche danger is mainly based on direct snow stability observations (e.g. recent avalanches), snow stability tests combined with str...; Object ID: ISSW16_O15.03.pdf; Keywords: avalanche forecasting, manual observations, snow cover modeling, snow and weather data; View additional details about Combining Snowpack Models and Observations for Better Avalanche Danger Assessments

Title: Observer Independent Measures of Snow Instability: Date: 2016-10-02; Authors: Benjamin Reuter, JÃ¼rg Schweizer, Alec van Herwijnen; Description: Observer independent measures of snow instability are a prerequisite for modeling, verifying and improving avalanche forecasts. However, presently no ...; Object ID: ISSW16_O17.02.pdf; Keywords: snow instability, avalanche forecasting, snow micro-penetrometer, avalanche initiation, crack propagation, tensile strength, finite element modeling; View additional details about Observer Independent Measures of Snow Instability

Title: Measuring the Mechanical Properties of Snow Relevant For Dry-Snow Slab Avalanche Release Using Particle Tracking Velocimetry: Date: 2016-10-02; Authors: Alec van Herwijnen, Ned Bair, Karl Birkeland, Ben Reuter, Ron Simenhois, Bruce Jamieson, JÃ¼rg Schweizer; Description: Particle tracking velocimetry (PTV) is a measurement technique widely used to determine displacement and velocity fields from video recordings. It is ...; Object ID: ISSW16_O17.03.pdf; Keywords: snow mechanical properties, avalanche release, particle tracking velocimetry, snow stability; View additional details about Measuring the Mechanical Properties of Snow Relevant For Dry-Snow Slab Avalanche Release Using Particle Tracking Velocimetry

Title: Modeled Mass and Temperature Effects of Released and Entrained Snow on the Lubricated Flow Regime of Avalanches at Bird Hill, Southcentral Alaska: Date: 2016-10-02; Authors: Katreen Wikstrom Jones, Michael Loso, Perry Bartelt, Cesar Vera Valero; Description: The unpredictable effects of released and entrained snow on avalanche run-out distances make hazard analysis difficult. At Bird Hill in southcentral A...; Object ID: ISSW16_P1.03.pdf; Keywords: snow entrainment, snow temperature, avalanche run-out, flow regimes, fluidization, lubrication; View additional details about Modeled Mass and Temperature Effects of Released and Entrained Snow on the Lubricated Flow Regime of Avalanches at Bird Hill, Southcentral Alaska

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; View additional details about Acceleration Processes of Snow Glide Prior to Full-Depth Avalanche Release on Shrub Slopes in the Temperate Heavy-Snow Region of Japan

Title: Drone-Based UWB Radar to Measure Snow Layering in Avalanche Starting Zones: Date: 2016-10-02; Authors: Rolf O. Rydeng Jenssen, Markus Eckerstorfer, Hannah Vickers, Kjell-Arild HÃ¸gda, Eirik Malnes, Svein K. Jacobsen; Description: Slab avalanches release due to failure in a weak snow layer. Determining the spatial distribution and depth of weak layers in avalanche starting zones...; Object ID: ISSW16_P1.15.pdf; Keywords: uwb radar, uav, snow stratigraphy, avalanche risk assessment, avatech; View additional details about Drone-Based UWB Radar to Measure Snow Layering in Avalanche Starting Zones

Title: Snow Pressures on a Rigid Snow Supporting Structure at the Milepost 151 Avalanche, Jackson, Wyoming: Date: 2016-10-02; Authors: Joshua T. Hewes, Rand Decker, Sean Strain, Megan Stevens; Description: Mitigation of avalanche hazard to roadways within the Western United States has historically been conducted by means of artificial release of explosiv...; Object ID: ISSW16_P1.23.pdf; Keywords: avalanche, snow supporting structures, mitigation; View additional details about Snow Pressures on a Rigid Snow Supporting Structure at the Milepost 151 Avalanche, Jackson, Wyoming

Title: Utilisation of the SM4 Automatic Snowpack Sensor in Avalanche Forecasting: Date: 2016-10-02; Authors: Harpa Grimsdottir, Orn Ingolfsson, Magni H. Jonsson, Vidir Arnarson, Halfdan Ingolfsson, Sveinn Brynjolfsson, Gestur Hansson; Description: A small innovation company in Iceland, POLS Engineering, has developed the SM4 automatic snowpack sensor that is currently installed at over 30 locati...; Object ID: ISSW16_P1.30.pdf; Keywords: avalanche forecasting, snow sensor, automatic warnings, snow crystals, snow depth, facets; View additional details about Utilisation of the SM4 Automatic Snowpack Sensor in Avalanche Forecasting

Title: Matching of Vertical Snow Profiles: Date: 2016-10-02; Authors: Pascal Hagenmuller; Description: Stratigraphic vertical profiles of snow properties measured a few meters from each other are usually different. In particular, slope-parallel variatio...; Object ID: ISSW16_P1.42.pdf; Keywords: snow profile, matching, registration, clustering; View additional details about Matching of Vertical Snow Profiles

Title: Deriving Mean Snow Depth in Complex Terrain From Flat Field Measurements: Date: 2016-10-02; Authors: Nora Helbig, Alec van Herwijnen, Tobias Jonas; Description: Snow depth is an important parameter for various applications, including hydrological and avalanche forecasting. Various measurement networks were the...; Object ID: ISSW16_P1.46.pdf; Keywords: mean snow depth, avalanche forecasting, meteorological models, subgrid parameterization; View additional details about Deriving Mean Snow Depth in Complex Terrain From Flat Field Measurements

Title: Effects of Saharan Dust Outbreaks on the Snow Stability in the Pyrenees: Date: 2016-10-02; Authors: Laetitia Chomette, Montse Bacardit, Jordi GavaldÃ , 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; View additional details about Effects of Saharan Dust Outbreaks on the Snow Stability in the Pyrenees

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); View additional details about Comparison of ECT, RB, Threshold Sum and Relative Threshold Sum Approach to To Snowpack Instability Evaluation - New Results

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Your search for Subject french snow avalancheresulted in 1865 records.