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Your search for Subject depth hoar layersresulted in 116 records.

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: 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: 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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Title: Using a Thin-Blade Tool for Measuring Snow Hardness and Change in Strength of Buried Surface Hoar
Date: 2016-10-02
Authors: Fraser Pogue, David M. McClung
Description: Measuring and tracking changes in the properties of snow layers is important for avalanche forecasting. The accuracy of collecting snow data is depend...
Object ID: ISSW16_P1.19.pdf
Keywords: snow hardness, thin-blade, handheld device, penetration resistance
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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
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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
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Title: Photogrammetrically Derived Estimates of Snow Depth Variability in Complex Terrain
Date: 2016-10-02
Authors: Gabriel Wolken, Erin Whorton, Alexander Gould
Description: Seasonal snow is a key cryospheric variable because of its influence on energy and wa-ter budgets, regional economies, and public safety. Quantitative...
Object ID: ISSW16_P1.47.pdf
Keywords: snow depth, spatial variability, photogrammetry, structure from motion, avalanche, alaska
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Title: Five Seasons of Detailed Surface Hoar Observations: What Have We Learned?
Date: 2016-10-02
Authors: Jordy Hendrikx, Tom Leonard
Description: Since the start of the 2011-12 season the Yellowstone Club Ski Patrol have diligently been collecting detailed observations of surface hoar (SH) prese...
Object ID: ISSW16_P3.07.pdf
Keywords: spatial variability, surface hoar, synoptic approach, forecasting
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Title: Avalanche Forecasting and Messaging for Unusual Avalanche Conditions in a Maritime Snow Climate-Buried Surface Hoar
Date: 2016-10-02
Authors: Steve A. Reynaud
Description: Atypical storm systems impacted the greater Lake Tahoe area during early January 2016 which contributed to the formation and preservation of buried su...
Object ID: ISSW16_P4.23.pdf
Keywords: avalanche forecasting, messaging, buried surface hoar, avalanche fatality
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Title: Back Calculation of Avalanche Dimensions From Laser Scanning and sfm Photogrammetry
Date: 2016-10-02
Authors: Alexander Prokop, J.-M. Friedt, Ursula Enzenhofer, Florian Tolle
Description: After avalanche events happen it is always difficult to collect useful data from the avalanche dimensions such as snow volume that was released in the...
Object ID: ISSW16_P4.35.pdf
Keywords: avalanche documentation, snow depth, laser scanning, sfm-photogrammetry, svalbard
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Title: Assessing Weak Layer Failure and Changes in Snowpack Properties Due to Avalanche Control By Explosives
Date: 2013-10-07
Authors: Stephan Simioni, Jurg Schweizer
Description: Avalanche control by explosives is among the key temporary preventive measures and today fixed avalanche control installations are widely used. Hither...
Object ID: ISSW13_paper_O1-13.pdf
Keywords: snow properties, avalanche control, explosives, weak layer failure
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Title: Weak-Layer Spatial Variability as a Possible Trigger of Slab Tensile Failure
Date: 2013-10-07
Authors: Johan Gaume, Guillaume Chambon, Nicolas Eckert, Mohamed Naaim
Description: The evaluation of the location of slab tensile failure represents an important concern for the evaluation of the extent of avalanche release zones and...
Object ID: ISSW13_paper_O2-03.pdf
Keywords: snow avalanche, avalanche release, slab, weak layer, spatial variability, tensile failure
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Title: A Decade of Snow Water Equivalent Monitoring in the French Mountain Ranges
Date: 2013-10-07
Authors: Frédéric Gottardi, Paul Carrier, Emmanuel Paquet, Marie-Thérèse Laval, Joël Gailhard, Rémy Garçon
Description: A decade of snow water equivalent monitoring in the French Mountain ranges. Snowpack estimation in mountains is important for hydroelectric power supp...
Object ID: ISSW13_paper_O2-08.pdf
Keywords: cosmic ray, snow water equivalent, snowpack, automatic snow gauge
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Title: The Systematic Snow Cover Diagnosis: A Process-Based Approach for Avalanche Danger Assessment
Date: 2013-10-07
Authors: Georg Kronthaler, Christoph Mitterer, Bernd Zenke, Michael Lehning
Description: Recreationists and local avalanche warning services face often the problem of assessing the avalanche danger for a single slope or avalanche path. How...
Object ID: ISSW13_paper_O4-11.pdf
Keywords: slope stability, snow cover test, weak layer
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Title: Comparison of Structural Instability Indices (Lemons), ECT and RB Results
Date: 2013-10-07
Authors: Chiambretti Igor, Fabiano Monti, Mauro Valt
Description: Almost all avalanche forecasting services have a network of traditional stations where an array of daily or weekly snowpack measurement or observation...
Object ID: ISSW13_paper_O5-03.pdf
Keywords: rb, ect, structural instability indices
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