Articles | Volume 14, issue 1
The Cryosphere, 14, 115–130, 2020
https://doi.org/10.5194/tc-14-115-2020
The Cryosphere, 14, 115–130, 2020
https://doi.org/10.5194/tc-14-115-2020

Research article 17 Jan 2020

Research article | 17 Jan 2020

Modeling snow slab avalanches caused by weak-layer failure – Part 1: Slabs on compliant and collapsible weak layers

Philipp L. Rosendahl and Philipp Weißgraeber

Related authors

Modeling snow slab avalanches caused by weak-layer failure – Part 2: Coupled mixed-mode criterion for skier-triggered anticracks
Philipp L. Rosendahl and Philipp Weißgraeber
The Cryosphere, 14, 131–145, https://doi.org/10.5194/tc-14-131-2020,https://doi.org/10.5194/tc-14-131-2020, 2020
Short summary

Related subject area

Discipline: Snow | Subject: Snow Physics
Macroscopic water vapor diffusion is not enhanced in snow
Kévin Fourteau, Florent Domine, and Pascal Hagenmuller
The Cryosphere, 15, 389–406, https://doi.org/10.5194/tc-15-389-2021,https://doi.org/10.5194/tc-15-389-2021, 2021
Short summary
Modelling perennial firn aquifers in the Antarctic Peninsula (1979–2016)
J. Melchior van Wessem, Christian R. Steger, Nander Wever, and Michiel R. van den Broeke
The Cryosphere Discuss., https://doi.org/10.5194/tc-2020-148,https://doi.org/10.5194/tc-2020-148, 2020
Revised manuscript accepted for TC
Short summary
Snow albedo sensitivity to macroscopic surface roughness using a new ray-tracing model
Fanny Larue, Ghislain Picard, Laurent Arnaud, Inès Ollivier, Clément Delcourt, Maxim Lamare, François Tuzet, Jesus Revuelto, and Marie Dumont
The Cryosphere, 14, 1651–1672, https://doi.org/10.5194/tc-14-1651-2020,https://doi.org/10.5194/tc-14-1651-2020, 2020
Short summary
A model for French-press experiments of dry snow compaction
Colin R. Meyer, Kaitlin M. Keegan, Ian Baker, and Robert L. Hawley
The Cryosphere, 14, 1449–1458, https://doi.org/10.5194/tc-14-1449-2020,https://doi.org/10.5194/tc-14-1449-2020, 2020
Short summary
Identification of blowing snow particles in images from a Multi-Angle Snowflake Camera
Mathieu Schaer, Christophe Praz, and Alexis Berne
The Cryosphere, 14, 367–384, https://doi.org/10.5194/tc-14-367-2020,https://doi.org/10.5194/tc-14-367-2020, 2020
Short summary

Cited articles

2phi: Weak layer anticrack nucleation model, available at: https://github.com/2phi/weac, last access: 6 January 2020. a, b
Anderson, T. L.: Fracture Mechanics, CRC Press, Boca Raton, 4th edn., https://doi.org/10.1201/9781315370293, 2017. a
Bellaire, S. and Schweizer, J.: Measuring spatial variations of weak layer and slab properties with regard to snow slope stability, Cold Reg. Sci. Technol., 65, 234–241, https://doi.org/10.1016/j.coldregions.2010.08.013, 2011. a
Birkeland, K. W., van Herwijnen, A., Reuter, B., and Bergfeld, B.: Temporal changes in the mechanical properties of snow related to crack propagation after loading, Cold Reg. Sci. Technol., 159, 142–152, https://doi.org/10.1016/j.coldregions.2018.11.007, 2019. a
Broberg, K. B.: Cracks and fracture, Elsevier, 1999. a
Short summary
Dry-snow slab avalanche release is preceded by a fracture process within the snowpack. Recognizing weak layer collapse as an integral part of the fracture process is crucial and explains phenomena such as whumpf sounds and remote triggering of avalanches from low-angle terrain. In this first part of the two-part work we propose a novel closed-form analytical model for a snowpack that provides a highly efficient and precise analysis of the mechanical response of a loaded snowpack.