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

Your search for Subject "triggering"resulted in 29 records.

Title: AVALHEX: New Gas-Mix-Explosive System for Avalance Triggering - Statement After Two Seasons of Use in Savoie, France: Date: 2002; Authors: Alain Duclos, Pierre Senabre; Description: AVALHEX system is based upon a gas-mix-explosive blast (hydrogen - oxygen) above snow. It is the result of development driven by CEMAGREF, CEAlCENG an...; Object ID: issw-2002-039.pdf; Keywords: triggering, explosive, avalhex; View additional details about AVALHEX: New Gas-Mix-Explosive System for Avalance Triggering - Statement After Two Seasons of Use in Savoie, France

Title: Fracture Toughness for Dry Slab Avalanches: Date: 2002; Authors: David M. McClung; Description: Dry slab avalanches release by propagating shear fractures. Since alpine snow is a quasi-brittle strain softening material, it is implied that fractur...; Object ID: issw-2002-304-306.pdf; Keywords: fracture, dry slab avalanche; View additional details about Fracture Toughness for Dry Slab Avalanches

Title: Scale Invariance of Snow Avalanche Triggering Mechanisms: Date: 2002; Authors: J. Faillettaz, F. Louchet, J.R. Grasso, D. Daudon, R. Dendievel; Description: Field data on more than 5000 avalanches confirm that avalanche size distributions are scale invariant, in a same way as a number of other geophysical ...; Object ID: issw-2002-528-531.pdf; Keywords: avalanche triggering, scale invariance, critical phenomena, cellular automata; View additional details about Scale Invariance of Snow Avalanche Triggering Mechanisms

Title: Snow Toughness Measurements and Possible Applications to Avalanche Triggering: Date: 2002; Authors: Jerome Faillettaz, Dominique Daudon, David Bonjean, Francois Louchet; Description: A snow slab avalanche release usually results from the unstable expansion of a basal crack at the interface between an upper layer (slab) and an under...; Object ID: issw-2002-540-543.pdf; Keywords: snow, toughness, fractal, avalanches, granular materials; View additional details about Snow Toughness Measurements and Possible Applications to Avalanche Triggering

Title: Slab Avalanches and New Snow: Date: 1998; Authors: Alain Duclos; Description: A three-year study based on observations carried out both on the field and inside the laboratory has enabled us to describe accurately 22 slab avalanc...; Object ID: issw-1998-478-488.pdf; Keywords: avalanche forecasting, snow cover stability, snow stratigraphy; View additional details about Slab Avalanches and New Snow

Title: Sluff Management: Date: 1998; Authors: Jim Conway, Mark Newcomb; Description: Since the first World Extreme Skiing Championships in Valdez in 1991, the Chugach Range around the Thompson Pass area has drawn thousands of skiers se...; Object ID: issw-1998-502-505.pdf; Keywords: snow slides, avalanche tracks, avalanche triggering; View additional details about Sluff Management

Title: Surface Warming of a Dry Snowpack Increases Skier-Induced Stress and Strain Magnitudes in Deeper Weak Layers: Date: 1998; Authors: A. Wilson, J. Schweizer, C.D. Johnston, J.B. Jamieson; Description: Changes in air temperature, and hence snow temperature, influence snow stability for skiers. This paper studies how warming in the top 20 cm of a hard...; Object ID: issw-1998-514-519.pdf; Keywords: snow stability, avalanche triggering, snow thermal effects; View additional details about Surface Warming of a Dry Snowpack Increases Skier-Induced Stress and Strain Magnitudes in Deeper Weak Layers

Title: The Rime River: Date: 1998; Authors: Angelo Kokenakis, Lee Dexter; Description: On January 10th, 1995 two unique rime flow events occurred at the Arizona Snowbowl near Flagstaff, Arizona. A heavy accumulation of rime ice thawed ra...; Object ID: issw-1998-544-550.pdf; Keywords: snow and ice, rime, avalanche types, avalanche mechanics; View additional details about The Rime River

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: Measurements of the Electric Field Gradient in a Blizzard: Date: 1994; Authors: Scott Schmidt, Jim Dent; Description: In the transport of heavy particulates by wind, as in blizzards and sand storms, much of the particulate flux occurs very near the surface by a proces...; Object ID: issw-1994-197-202.pdf; Keywords: cornices, triggering, blizzards, saltation; View additional details about Measurements of the Electric Field Gradient in a Blizzard

Title: Avalanches; Controlled Triggering Off by Radio Beams: Date: 1994; Authors: Magne Strand; Description: This paper presents a brief introduction of the instruments, the organizing and the experiences gained by the road authorites in Norway to control ava...; Object ID: issw-1994-575-579.pdf; Keywords: radio beams, explosives, transmitter; View additional details about Avalanches; Controlled Triggering Off by Radio Beams

Title: Slab Avalanche Formation, New Measurements and Results: Date: 1992; Authors: H. Gubler; Description: Three types of experiments have been started or continued during the last two years to improve our knowledge on the formation of slab avalanches: (a) ...; Object ID: issw-1992-134-149.pdf; Keywords: weak layer, triggering, slab avalanche; View additional details about Slab Avalanche Formation, New Measurements and Results

Title: The Starting Mechanism of Avalanches: Date: 1980; Authors: Andre Roch; Description: In regard to the question of how slab avalanches are triggered, Robert Haefeli gave one of the first explanations. He stated, following the logic of W...; Object ID: issw-1980-001-008.pdf; Keywords: stability, shear frame, slab avalanche, triggered, rupture; View additional details about The Starting Mechanism of Avalanches

Title: Tides--Their Effects and Nature, and a Computer Prediction Program in Forecasting: Date: 1980; Authors: Steve W. Hackett; Description: Over the centuries, numerous attempts have been made to relate many physical, as well as biological and psychological, phenomena to the positions of t...; Object ID: issw-1980-120-127.pdf; Keywords: forecasting, release, triggering, snowpack; View additional details about Tides--Their Effects and Nature, and a Computer Prediction Program in Forecasting