Philip Crivelli
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View article: The use of snow fences for snow conservation
The use of snow fences for snow conservation Open
With ongoing climate change, residual snow in the mountains is disappearing ever earlier each year. This reduces their potential to be used as a water source later in the year. Especially for infrastructures like mountain huts, this can le…
View article: Spatiotemporal dynamics of snow erosion, deposition and horizontal mass flux
Spatiotemporal dynamics of snow erosion, deposition and horizontal mass flux Open
The quantification of snow transport, both in wind tunnels and the field, apply particle counting methods limited to punctual sampling of relatively small volumes. Particle counting can only capture horizontal mass fluxes, failing to measu…
View article: Local snow transport and surface evolution processes in East Antarctica
Local snow transport and surface evolution processes in East Antarctica Open
In Antarctica, direct measurements of processes shaping the surface mass balance such as precipitation, accumulation and erosion, drifting and blowing snow, and sublimation, are sparse and challenging due to the extreme environment and rel…
View article: Application of dGNSS in Alpine Ski Racing: Basis for Evaluating Physical Demands and Safety
Application of dGNSS in Alpine Ski Racing: Basis for Evaluating Physical Demands and Safety Open
External forces, such as ground reaction force or air drag acting on athletes' bodies in sports, determine the sport-specific demands on athletes' physical fitness. In order to establish appropriate physical conditioning regimes, which ade…
View article: Interactions between drifting snow and surface dynamics
Interactions between drifting snow and surface dynamics Open
In the cryosphere, the snow cover is the fastest changing component. Amongst other characteristics, the snow cover acts as a resource of water or has the ability to reflect the suns radiation and therefore significantly influence the clima…
View article: Wind tunnel observations of weak and strong snow saltation dynamics
Wind tunnel observations of weak and strong snow saltation dynamics Open
Theoretical considerations suggest that saltation dynamics is dominated by either aerodynamic entrainment or by a combination of ejection and rebound at a given time and location. Calling these two regimes “weak” and “strong” saltation, re…
View article: Decoupling of mass flux and turbulent wind fluctuations in drifting snow
Decoupling of mass flux and turbulent wind fluctuations in drifting snow Open
The wind‐driven redistribution of snow has a significant impact on the climate and mass balance of polar and mountainous regions. Locally, it shapes the snow surface, producing dunes and sastrugi. Sediment transport has been mainly represe…
View article: Wind tunnel experiments: cold-air pooling and atmospheric decoupling above a melting snow patch
Wind tunnel experiments: cold-air pooling and atmospheric decoupling above a melting snow patch Open
The longevity of perennial snowfields is not fully understood, but it is known that strong atmospheric stability and thus boundary-layer decoupling limit the amount of (sensible and latent) heat that can be transmitted from the atmosphere …
View article: Characterization of Course and Terrain and Their Effect on Skier Speed in World Cup Alpine Ski Racing
Characterization of Course and Terrain and Their Effect on Skier Speed in World Cup Alpine Ski Racing Open
World Cup (WC) alpine ski racing consists of four main competition disciplines (slalom, giant slalom, super-G and downhill), each with specific course and terrain characteristics. The International Ski Federation (FIS) has regulated course…