Item: Faceted melt forms, a deadly and unpredictable weak layer
Title: Faceted melt forms, a deadly and unpredictable weak layer
Proceedings: International Snow Science Workshop, Davos 2009, Proceedings
Authors: Bill Glude, Alaska Avalanche Specialists, Juneau, Alaska, USA
Abstract: Faceted melt forms are a particularly persistent and difficult-to-predict weak layer we have commonly found in Alaska and in the Japanese Alps. This layer is probably much more widespread, but is not well-described in the literature and thus is generally unrecognized. We have compiled our observations of key case histories, characteristics, and conditions of formation from 14 years of study and summarized the layer’s significance, identification, stability evaluation, and our recommendations for notation and further study.
Keywords: avalanche, case histories, persistent weak layer, facets, faceted melt forms
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