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Your search for Subject flow dynamicsresulted in 54 records.

Title: How Snow Cover Properties Influence Avalanche Dynamics
Date: 2012
Authors: W. Steinkogler, B. Sovilla, M. Lehning
Description: The run-out distance depends, among other things, on the release mass and the snow conditions in the avalanche path. So far, our knowledge on the effe...
Object ID: issw-2012-569-573.pdf
Keywords: run-out distance, snow cover, snowpack conditions
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Title: Back-Calculations of Observed Avalanches Against Natural Deflecting Dams
Date: 2012
Authors: Dieter Issler, Carl B. Harbitz, Ulrik Domaas, Kalle Kronholm, Marc Christen
Description: The objective of this study is to assess the reliability of presently available numerical avalanche models in predicting avalanche flow about deflect...
Object ID: issw-2012-038-045.pdf
Keywords: dynamic model, avalanche hazard, calculations, ramm-sonde,
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Title: Re-Evaluation of Avalanche Mitigation Measures for Juneau
Date: 2012
Authors: Stefan Margreth, Tom Mattice
Description: Juneau, Alaska’s state capital, has a serious avalanche problem. The last major avalanche event in 1962 was the catalyst to propose for the fir...
Object ID: issw-2012-150-156.pdf
Keywords: avalanche mitigation, avalanche dynamics modeling, hazard map
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Title: Different Surveys Techniques to Assess the Snow Erosion and Deposition at the Punta Seehore Avalanche Test Site
Date: 2012
Authors: E. Bovet, B. Chiaia, M. Maggioni, D. Godone, M. Freppaz
Description: The aim of this paper is to describe the surveys techniques, used at the Seehore avalanche test site located in Aosta Valley (NW Italy), concerning th...
Object ID: issw-2012-277-284.pdf
Keywords: snow erosion, terrestrial laser scanning, deposited layer, probe pole
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Title: Back-Calculation of Small Avalanches with the 2D Avalanche Dynamics Model Ramms: Four Events Artificially Triggered at the Seehore Test Site in Aosta Valley (NW Italy)
Date: 2012
Authors: M. Maggioni, M. Freppaz, M. Christen, P. Bartelt, E. Zanini
Description: Avalanche dynamics models are widely used to simulate extreme avalanches for hazard mapping purposes; they are well developed and calibrated on numero...
Object ID: issw-2012-591-598.pdf
Keywords: avalanche dynamics, hazard mapping, photogrammetry,
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Title: How to Explain Avalanche Dynamics to Children and Their Parents
Date: 2012
Authors: Florence Naaim-Bouvet, Thierry Faug, Frédéric Ousset, Xavier Ravanat, Paolo Caccamo
Description: Snow avalanches threaten mountain communities worldwide: avalanches affect not only snow sport tourists but people can also be caught in inhabited are...
Object ID: issw-2012-820-826.pdf
Keywords: avalanche, dynamics, small-scale model, education, general public
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Title: Stopping Behavior of Snow Avalanches in Forests
Date: 2012
Authors: T. Feistl, P. Bebi, Y. B ̈uhler, M. Christen, M. Teich, P. Bartelt
Description: A longstanding problem in avalanche science is to understand how forests stop small and medium sized avalanches. Avalanche dynamics models have tradit...
Object ID: issw-2012-420-426.pdf
Keywords: forests, avalanche science, runout, dynamics
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Title: Modeling and Visualizing Avalanche Flow Using Genetic Algorithms and OpenGL
Date: 2012
Authors: Donna Delparte, Michael Peterson, Jahrain Jackson, John Perkins
Description: Simulating snow avalanche flow with numerical models and digital elevation model (DEM) data has allowed snow scientists to better understand flow mov...
Object ID: issw-2012-439-443.pdf
Keywords: snow simulation, terrain, genetic algorithm, runout
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Title: An Introduction to Inflow Avalanche Dynamics Measurements Using the Snowball Device
Date: 2010
Authors: J.T. Fischer, L. Rammer
Description: The Snowball is a sphere with a diameter of 160 mm and with the density of flowing snow (about 300 kg/m3), which was developed as an inflow measuremen...
Object ID: ISSW_P-082.pdf
Keywords: snow, avalanche, dynamics, inflow measurements
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Title: Cornice Dynamics Above Nybyen in Svalbards High Arctic Landscape
Date: 2010
Authors: S. Vogel , M. Eckerstorfer, H. H. Christiansen
Description: The development of cornices, their cracking and consequent failures largely controlled by meteorology along the Gruvefjellet plateau ridge was investi...
Object ID: ISSW_P-092.pdf
Keywords: high arctic landscape, solar radiation, snow seasons
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Title: Wireless Sensors as a Tool to Explore Avalanche Internal Dynamics: Experiments at the Weissfluhjoch Snow Chute
Date: 2009
Authors: I. Vilajosana, J. Llosa, M. Schaefer, E. Suriñach, J.M. Marquès, X. Vilajosana
Description: Specially designed wireless accelerometers units were used in a series of experiments at the snow chute operated by the SLF at Weissflühjoch (Switz...
Object ID: issw-2009-0400-0404.pdf
Keywords: snow avalanches, wireless sensor networks, accelerometers, snow chute, avalanche dynamics
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Title: Identification of Areas Potentially Affected by Extreme Snow Avalanche Combining Expert Rules, Flow-Routing Algorithms and Statistical Analysis
Date: 2009
Authors: Matteo Pagliardi, Massimiliano Barbolini, Paolo Corradeghini, Francesco Ferro
Description: An innovative methodology to perform avalanche hazard mapping that combines open source GIS tools, expert rules, computational routines, and statisti...
Object ID: issw-2009-0468-0471.pdf
Keywords: snow avalanche, hazard mapping, grass geographic information systems (gis), flow-routing algorithm, run-out angle
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Title: Avalanche Simulation With SAMOS-AT
Date: 2009
Authors: Peter Sampl, Matthias Granig
Description: The simulation software SAMOS for dry snow avalanches has been used by the Austrian Service for Torrent and Avalanche Control since 1999. The software...
Object ID: issw-2009-0519-0523.pdf
Keywords: avalanche dynamics, simulation, dense flow avalanches, powder avalanches
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Title: Field Study on Fracture Propagation in Weak Snowpack Layers
Date: 2008-09-22
Authors: Alec van Herwijnen, Joachim Heierli, Jürg Schweizer
Description: Instabilities in snow slopes generally involve the progressive fracture along a weak snowpack layer. Recent field observations on fractures in weak la...
Object ID: P__8213.pdf
Keywords: snow avalanche, avalanche release, fracture mechanics, fracture propagation
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Title: Anticracks: A New Theory of Fracture Initiation and Fracture Propagation in Snow
Date: 2008-09-22
Authors: J. Heierli, A. van Herwijnen, P. Gumbsch, M. Zaiser
Description: Shear failure models have traditionally dominated the research on slab avalanche initiation in snow science, but evidence has accumulated that they te...
Object ID: P__8212.pdf
Keywords: fracture, anticrack, packing order
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