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Your search for Keyword "depth hoar"resulted in 11 records.

Title: WHUMPING OF A PERSISTENT DEPTH HOAR WEAK LAYER: ANALYSIS OF A RARE COMBINATION OF MANUAL STABILITY TESTS AND AUTOMATED SNOW MEASUREMENTS
Date: 2026-09-28
Authors: Benjamin Walter, Christoph Marty, Fabian Wolfsperger, Alec van Herwijnen, Francesco Pellegrini, Alexandra von der Esch, Yiyao Chen, Kalin Markov
Description: Whumpf sounds indicate the collapse of a buried weak layer and are associated with fracture propagation over distances of tens of meters without avala...
Object ID: ISSW2026_P4.6.pdf
Keywords: depth hoar, persistent weak layer, whumpf, fracture propagation, snow stability
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Title: Snow Characterization by Facet Number and Size From Snow Pit Wall Photographs
Date: 2010
Authors: Mathias Gergely, Martin Schneebeli
Description: Faceted snow within a natural snowpack often weakens its stability, with depth hoar being a prime example for a persistent weak layer. Traditionally, ...
Object ID: ISSW_P-005.pdf
Keywords: faceted snow, depth hoar, persistent weak layers, snow properties, wind-pressed snow
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Title: The Avalanche Situation in a Special Winter. Review of the 09/10 Season in Norway
Date: 2010
Authors: Christian Jaedicke, Kjetil Brattlien, Regula Frauenfelder, Krister Kristensen, Kalle Kronholm
Description: The 2009/10 season featured significantly different snow conditions compared to the usually maritime snow pack in most of Norway. A stable high-press...
Object ID: ISSW_P-070.pdf
Keywords: high-pressure system, depth hoar, weak layers, fatalities
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Title: Slab Avalanches at Mt. Kamihorokamettoku in Hokkaido in November 2007: Report of New Avalanche Research Team in Hokkaido Branch of JSSI
Date: 2008-09-22
Authors: Toshihiro Ozeki, Akihiro Hachikubo, Go Iwahana, Kazuki Nakamura, Kazuo Higuchi, Hitoshi Onishi, Daisuke Sasaki, Eizi Akitaya
Description: Slab avalanches occurred at Mt. Kamihorokamettoku, Tokachi Mountain Range, in Hokkaido Prefecture in November 2007. The first slab avalanche occurred ...
Object ID: P__8230.pdf
Keywords: slab avalanche, depth hoar, mt kamihorokamettoku, hokkaido branch of jssi
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Title: Shear Strength of Natural and Artificial Depth Hoar Layers
Date: 2006
Authors: Osamu Abe, Junrong Xu, Jian Liu, Hiroyuki Hirashima, Shigeto Mochizuki, Satoru Yamaguchi, Takeshi Sato, Atsushi Sato
Description: Many data on shear strength and density of natural depth hoar layers were collected from Japan, west China and Alaska. Snow metamorphism experiments u...
Object ID: issw-2006-007-014.pdf
Keywords: shear strength, depth hoar, avalanche occurrence
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Title: An Observation of Depth Hoar in the Maritime
Date: 2006
Authors: S. Ikeda, M. Ryan
Description: Generally speaking, in continental climates thick depth hoar layer may develop near at or near the ground, where in maritime climates a compacted sno...
Object ID: issw-2006-132-138.pdf
Keywords: depth hoar, maritime climate, wind erosion, rainfall
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Title: Snowpack Basal Layer Facets in the Sierra Nevada
Date: 2006
Authors: Randall Osterhuber
Description: Though California’s Sierra Nevada generally experiences deep snowpacks and modest midwinter air temperatures, faceted snow grains do form and p...
Object ID: issw-2006-183-186.pdf
Keywords: facets, depth hoar, wet slab avalanche
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Title: Experiments of Depth Hoar Formation Under Extremely Low Temperature
Date: 1998
Authors: Y.Kamata, A.Sato
Description: To investigate the growth of depth hoar crystals in a very cold region, an experiment was carried out for three days with temperature gradients of 200...
Object ID: issw-1998-254-259.pdf
Keywords: depth hoar, extremely low temperature, saturated water vapor concentration
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Title: Weather and Snowpack Conditions Essential to Slushflow Release and Downslope Propagation
Date: 1994
Authors: Erik Hestnes, Steinar Bakkelwi, Frode Sandersen, Lars Andresen
Description: Rapid mass movement of water-saturated snow, usually known as slushflow or slush avalanche, is a major natural hazard in Norway. Slushflows occur in w...
Object ID: issw-1994-040-057.pdf
Keywords: slushflow, depth hoar, grained snowpacks
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Title: Effect of Microslructure on Heat and Vapor Transport in Snow Composed of Uniform Fine Ice Spheres
Date: 1994
Authors: Atsushi Sato, Edward E. Adams, Robert L. Brown
Description: The formation of weak layers in the snowpack of slopes causes avalanches. One of the most important weak layers is known as depth hoar due to vapor tr...
Object ID: issw-1994-176-184.pdf
Keywords: depth hoar, weak layer, temperature gradient, thermal conductivity, water vapor
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Title: What Do Ski Mountaineers Know About Snow Cover and Avalanche Formation? - Results of an Inquiry
Date: 1992
Authors: Peter Holler
Description: Extended Abstract: As a result of overcrowded skiing areas we can observe an increasing of ski mountaineers in the last ten years. But avalanche educa...
Object ID: issw-1992-270-275.pdf
Keywords: ski mountaineers, snow cover, avalanche education, accidents, depth hoar
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