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videos of the week

Videos of the Week #12 2021/22 | The science of snow and avalanches

Momentum = mass * speed

by Sebastian Müller • 02/18/2022

You can describe snow and avalanches using physics. In order to understand a snowpack, thermodynamics is required above all, which describes the partial pressures and transformation processes of the crystals. The triggering of an avalanche requires a description of the mechanical properties of the snowpack and fluid dynamics are used for its propagation. However, science can sometimes be quite dry. That's why today we are presenting videos that make the subject matter more digestible.

Snowpack measurement

A very thorough introduction to the common measurements that are made in a snowpack.

Why does the snow melt so quickly in spring?

A very sad topic: melting snow.

Avalanche against buildings

Perry Bartelt talks about the impact pressure of avalanches on solid structures: cutting-edge research!

Modeling of a colossal dense snow avalanche

The RAMMS (Numerical Rapid Mass Movement Simulation) model applied in Val d'Aosta.

Snow avalanche simulations using the Material Point Method

The model that Disney's film Frozen has already worked with is extended here by a crucial component, the formation and propagation of fractures. Exciting!

The SLF Sionne avalanches

The classic among avalanches, here to enjoy in slow motion.

Ryggfonn Avalanche

Not only the SLF studies avalanches in the field, but also the Geotechnical Institute of Norway.

This article has been automatically translated by DeepL with subsequent editing. If you notice any spelling or grammatical errors or if the translation has lost its meaning, please write an e-mail to the editors.

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Videos of the Week #11 2021/22 | Clickbaiting: Crashes and Crushes

Sebastian Müller • 02/11/2022

On the ubiquitous monopolistic video platform, we are often lured into clicking with sensational titles: this strategy is called clickbaiting. It works best with dangerous actions, stupid sayings or happy accidents. This episode therefore promises above all entertaining entertainment, although high-quality films have also worked their way up the algorithm and are shared here.
Videos of the Week #10 2021/22 | Gaps, step-ups and kickers

Sebastian Müller • 02/04/2022

Since the beginning of skiing and especially freeskiing, airtime has been essential. Speeds, slopes and soft snow simply demand that you give up contact with the snow. So either special kickers are built and jumped, or natural terrain features are used: cliff drop, gap, step-up, transfer - you name it! Of course, this is fun and also scores points in the freeride contests. We hope you enjoy today's airy selection!
World of Science | Review ISSW 2018: Avalanche forecasting

Lea Hartl • 03/19/2020

Every two years, the International Snow Science Workshop (ISSW) brings together scientists and practitioners from a wide range of different, but always snow-related, subject areas. New findings and research results are presented in various thematic blocks - so-called sessions. We break the whole thing down into more or less digestible morsels and summarize the sessions of the ISSW2018 for you every two weeks.

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Videos of the Week #12 2021/22 | The science of snow and avalanches

Momentum = mass * speed

Snowpack measurement

Why does the snow melt so quickly in spring?

Avalanche against buildings

Modeling of a colossal dense snow avalanche

Snow avalanche simulations using the Material Point Method

The SLF Sionne avalanches

Ryggfonn Avalanche

Related articles

Videos of the Week #11 2021/22 | Clickbaiting: Crashes and Crushes

Videos of the Week #10 2021/22 | Gaps, step-ups and kickers

World of Science | Review ISSW 2018: Avalanche forecasting

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