Snow shaped from strong continuous winds
Snowpack on a mountain ridge at roughly 2700m. Modeling of the spatial distribution of the alpine snow cover poses a great challenge. Snow is a "hot" material whose temperature is always close to the melting point. As such, snow is constantly undergoing a transformation due to highly variable gradients of water vapor pressure. In addition, always present winds cause a lateral snow transport. Modeling this redistribution is a complex challenge itself. Both processes together build the foundation for forming an avalanche.
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Creative Commons Attribution-NoDerivs 3.0 Unported (CC BY-ND 3.0) (opens in a new window)Credit: Harald Schellander (distributed via imaggeo.egu.eu)
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