Application of physical snowpack models in support of operational avalanche hazard forecasting: A status report on current implementations and prospects for the …

S Morin, S Horton, F Techel, M Bavay, C Coléou… - Cold regions science …, 2020 - Elsevier
The application of numerical modelling of the snowpack in support of avalanche hazard
prediction is increasing. Modelling, in complement to direct observations and weather …

Effects of climate change on avalanche accidents and survival

G Strapazzon, J Schweizer, I Chiambretti… - Frontiers in …, 2021 - frontiersin.org
Avalanches are major natural hazards in snow-covered mountains, threatening people and
infrastructure. With ongoing climate change, the frequency and types of snow avalanches …

Dynamic anticrack propagation in snow

J Gaume, T Gast, J Teran, A van Herwijnen… - Nature …, 2018 - nature.com
Continuum numerical modeling of dynamic crack propagation has been a great challenge
over the past decade. This is particularly the case for anticracks in porous materials, as …

Transition from sub-Rayleigh anticrack to supershear crack propagation in snow avalanches

B Trottet, R Simenhois, G Bobillier, B Bergfeld… - Nature physics, 2022 - nature.com
Snow slab avalanches, characterized by a distinct, broad fracture line, are released
following anticrack propagation in highly porous weak snow layers buried below cohesive …

Data-driven automated predictions of the avalanche danger level for dry-snow conditions in Switzerland

C Pérez-Guillén, F Techel, M Hendrick… - … Hazards and Earth …, 2021 - nhess.copernicus.org
Even today, the assessment of avalanche danger is by large a subjective, yet data-based
decision-making process. Human experts analyze heterogeneous data volumes, diverse in …

Characterizing snow instability with avalanche problem types derived from snow cover simulations

B Reuter, L Viallon-Galinier, S Horton… - Cold Regions Science …, 2022 - Elsevier
Snow cover models support avalanche forecasting. However, despite much development to
derive snow instability from snow cover model output, snow cover models presently do not …

[HTML][HTML] Investigating the release and flow of snow avalanches at the slope-scale using a unified model based on the material point method

J Gaume, A van Herwijnen, T Gast, J Teran… - Cold Regions Science …, 2019 - Elsevier
Snow slab avalanches start with a failure in a weak snow layer buried below a cohesive
snow slab. After failure, the very porous character of the weak layer leads to its volumetric …

Numerical investigation of crack propagation regimes in snow fracture experiments

G Bobillier, B Bergfeld, J Dual, J Gaume… - Granular matter, 2024 - Springer
A snow slab avalanche releases after failure initiation and crack propagation in a highly
porous weak snow layer buried below a cohesive slab. While our knowledge of crack …

Numerical modelling of dense snow avalanches with a well-balanced scheme based on the 2D shallow water equations

M Sanz-Ramos, E Bladé, P Oller, G Furdada - Journal of Glaciology, 2023 - cambridge.org
A common technique for simulating non–Newtonian fluid dynamics, such as snow
avalanches, is to solve the Shallow Water Equations (SWE), together with a rheological …

[HTML][HTML] The RHOSSA campaign: multi-resolution monitoring of the seasonal evolution of the structure and mechanical stability of an alpine snowpack

N Calonne, B Richter, H Löwe, C Cetti… - The …, 2020 - tc.copernicus.org
The necessity of characterizing snow through objective, physically motivated parameters
has led to new model formulations and new measurement techniques. Consequently …