Search the International Snow Service Workshops (ISSW) Proceedings Professional Papers and Poster Talks Publications database

Your search for Subject Snow Instabilityresulted in 708 records.

Title: The Compression Test for Snow Stability: Date: 1996; Authors: Bruce Jamieson, Colin Johnston; Description: The compression test is a quick stability test. It involves tapping on a shovel placed on top of a column of snow and noting the failures in weak laye...; Object ID: issw-1996-118-125.pdf; Keywords: snow compression, snow stability, snow strength, snow physical properties, snow stratigraphy; View additional details about The Compression Test for Snow Stability

Title: Experience with Stability Evaluation for a Surface Hoar Layer During Winter 1995-96 at Rogers Pass, British Columbia, Canada: Date: 1996; Authors: Jurg Schweizer, David Skjonsberg, Bruce McMahon; Description: The avalanche control section at Rogers Pass, British Columbia, Canada, is responsible for the avalanche safety within Glacier National Park. This inv...; Object ID: issw-1996-126-128.pdf; Keywords: snow crystals, snow strength, snow cover stability, avalanche forecasting, avalanche control; View additional details about Experience with Stability Evaluation for a Surface Hoar Layer During Winter 1995-96 at Rogers Pass, British Columbia, Canada

Title: Measurements of Charge-to-Mass Ratios on Individual Blowing Snow Particles: Date: 1996; Authors: D.S. Schmidt, J.D. Dent, R.A. Schmidt; Description: Determining the electrostatic force acting on saltating now particles requires knowledge of the electric field on the saltation region and the charge ...; Object ID: issw-1996-129-134.pdf; Keywords: cornices, triggering, blizzards, saltation; View additional details about Measurements of Charge-to-Mass Ratios on Individual Blowing Snow Particles

Title: Drift-Flux Modelling and Numerical Simulation of Snow-Accumulation: Date: 1996; Authors: Per-Arne Sundsbo; Description: This paper presents a method for two-dimensional numerical simulations of snow drift. The numerical model is based on two-phase, gas-gas theory where ...; Object ID: issw-1996-135-139.pdf; Keywords: snow drift, snow fence, cfd; View additional details about Drift-Flux Modelling and Numerical Simulation of Snow-Accumulation

Title: Assessing the Accuracy of SIR-C Snow Cover Classification: Date: 1996; Authors: Thomas Albright, Jiancheng Shi, Jeff Dozier; Description: Timely and accurate maps of snow covered area (SCA) are important to resource managers, planners, and scientists for applications ranging from avalanc...; Object ID: issw-1996-140-143.pdf; Keywords: snow covered area, classification, synthetic aperture radar, sir-c, accuracy; View additional details about Assessing the Accuracy of SIR-C Snow Cover Classification

Title: The Driftometer: Date: 1996; Authors: Robert Bolognesi; Description: Wind can create even greater unstable accumulations of snow in mountainous areas than heavy snowfalls. But knowing wind conditions is not sufficient t...; Object ID: issw-1996-144-148.pdf; Keywords: snowdrift, local avalanche forecasting, instrumentation; View additional details about The Driftometer

Title: Instrumentation for In-Situ Snow Liquid Water Measurements: Date: 1996; Authors: A.Denoth; Description: Various methods for measuring the liquid water content of a natural snow cover are discussed. An error analysis gives suitable measuring quantities: m...; Object ID: issw-1996-154-157.pdf; Keywords: snow, water, measurement techniques, dielectric sensors; View additional details about Instrumentation for In-Situ Snow Liquid Water Measurements

Title: Improvements by Measuring Shear Strength of Weak Layers: Date: 1996; Authors: Paul Fohn, Christian Camponovo; Description: Concurrent measurements in situ of the shear strength and strain rate of weak layers or interfaces have not been executed up to now. In order to uncov...; Object ID: issw-1996-158-162.pdf; Keywords: snow slab, weak layers, strain rate, shear strength, measuring procedures; View additional details about Improvements by Measuring Shear Strength of Weak Layers

Title: Pore-Space Characterization of Wet Snow in the Pendular Regime: Date: 1996; Authors: Jim Frankenfield; Description: Th geometry of wetting fluid pendular rings in a porous media can be used to characterize the media in this saturation on regime. A number of expressi...; Object ID: issw-1996-163-164.pdf; Keywords: pendular rings, snow wetness; View additional details about Pore-Space Characterization of Wet Snow in the Pendular Regime

Title: Test of a Multiplex Snow-Depth Sensor Along a Down Slope: Date: 1996; Authors: G. Guyomarc'h, L. Merindol, M. Sudul; Description: For 2 years, the CEN (Centre d'Etudes de la Neige - Snow Study Centre) has been making snow depth measurements on a location of avalanche starting zon...; Object ID: issw-1996-173-178.pdf; Keywords: automatic snow-depth profile, erosion rate, wind effect; View additional details about Test of a Multiplex Snow-Depth Sensor Along a Down Slope

Title: Automatic Monitoring of Snow Depth: Date: 1996; Authors: Claude Labine; Description: This presentation is a review of the evolution of the measurement of snow depth using an acoustic (ultra sonic) sensor. Originally developed within th...; Object ID: issw-1996-179-183.pdf; Keywords: snow depth, measurement, automatic; View additional details about Automatic Monitoring of Snow Depth

Title: Preliminary Investigations of Glide/Creep Motion Sensors in Alta, Utah: Date: 1996; Authors: Bob Rice, Dan Howlett, Rand Decker; Description: Creep and glide in an alpine snowpack can lead to snowpack failure including snow avalanching. With a snoid rate of change in creep or glide with resp...; Object ID: issw-1996-189-194.pdf; Keywords: creep, glide, slab avalanche, forecasting; View additional details about Preliminary Investigations of Glide/Creep Motion Sensors in Alta, Utah

Title: Preliminary Results Controlled Shear Experiments: Date: 1996; Authors: Jurg Schweizer; Description: Snow samples (115 mm in diameter, 16-18 mm in height) were taken from the field and shortly afterwards tested in a cold laboratory using a direct simp...; Object ID: issw-1996-195-197.pdf; Keywords: snow mechanics, snow strength, snow temperature, snow failure, fracture; View additional details about Preliminary Results Controlled Shear Experiments

Title: Snow Science and Safety for the Mountain Guide Walter Bruns: Date: 1996; Authors: Canadian Mountain Holidays; Description: The safety of people in a winter, backcountry mountain environment is presented in terms of margins of security and margins of survival. The elements ...; Object ID: issw-1996-203-206.pdf; Keywords: snow stability, hazard, risk, survival; View additional details about Snow Science and Safety for the Mountain Guide Walter Bruns

Title: Forecasting for a Widespread Heliski Operation: Date: 1996; Authors: Bob Sayer; Description: This will be a 15 minute oral presentation, with slides, describing the procedures employed at Mike Wiegele Helicopter Skiing. MWHS is located in the ...; Object ID: issw-1996-216b.pdf; Keywords: forecasting, helicopter skiing; View additional details about Forecasting for a Widespread Heliski Operation