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Your search for Keyword "avalanche dynamics"resulted in 81 records.

Title: Stochastic Methods in Operational Avalanche Simulation - From Back Calculation to Prediction
Date: 2016-10-02
Authors: Valentin Hellweger, Jan-Thomas Fischer, Andreas Kofler, Andreas Huber, Wolfgang Fellin, Michael Oberguggenberger
Description: Avalanche simulations are an integral part of hazard assessment. Determining the potential hazard requires a multidisciplinary approach, including dif...
Object ID: ISSW16_P4.50.pdf
Keywords: avalanche dynamics, parameter estimation, stochastic simulation, bayes’ theorem, metropolis-hastings algorithm, posterior distribution, back calculation, prediction
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Title: Avalanche Dynamics Model RAMMS Applied in Two North American Climates
Date: 2014-09-29
Authors: Chris Wilbur, Art Mears, Stefan Margreth, Sue Burak
Description: Recent advances in computational methods and availability of digital terrain models allow for improvements in avalanche dynamics models. Such models h...
Object ID: ISSW14_paper_O8.03.pdf
Keywords: avalanche dynamics model, ramms, long return period avalanche
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Title: Optimization of Computational Snow Avalanche Simulation Tools
Date: 2014-09-29
Authors: Jan-Thomas Fischer, Andreas Kofler, Wolfgang Fellin, Matthias Granig, Karl Kleemayr
Description: Snow avalanche simulation tools are used for hazard estimations and protection planning. Initial conditions and flow model parameters have to be chose...
Object ID: ISSW14_paper_P2.08.pdf
Keywords: snow avalanche, computational avalanche dynamics, simulation optimization.
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Title: Forest Damage by Wet and Powder Snow Avalanches
Date: 2014-09-29
Authors: Thomas Feistl, Peter Bebi, Stefan Margreth, Perry Bartelt
Description: Wet and powder snow avalanches can break, uproot and overturn trees, causing widespread damage to forests. Mapping the extent of forest damage is a us...
Object ID: ISSW14_paper_P2.07.pdf
Keywords: avalanche dynamics, forest damage, modeling.
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Title: Modelling Small and Frequent Avalanches
Date: 2014-09-29
Authors: Lisa Dreier, Yves Bühler,, Walter Steinkogler, Thomas Feistl, Marc Christen, Perry Bartelt
Description: Numerical simulation tools are commonly used to model extreme events, that is avalanches with return periods of 30 years or more. Recently, a new dema...
Object ID: ISSW14_paper_P2.06.pdf
Keywords: avalanche dynamics, avalanche mitigation, hazard assessment, snow entrainment, snow temperature.
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Title: Plume Formation in Powder Snow Avalanches
Date: 2013-10-07
Authors: Perry Bartelt, Yves Bühler, Othmar Buser, Christian Ginzler
Description: A long-standing problem in avalanche science is to model the formation and propagation of icedust clouds that accompany fast moving dry snow flowing a...
Object ID: ISSW13_paper_O1-18.pdf
Keywords: avalanche dynamics, powder snow avalanches, plume formation, ice-dust cloud, blowout height, suspension layer
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Title: Why Don’t Avalanche-Dynamics Models of Higher Complexity Necessarily Lead to Better Predictions?
Date: 2013-10-07
Authors: Christophe Ancey
Description: The avalanche-dynamics approach has a long history in avalanche prediction. In the absence of computers, scientists and engineers focused on idealized...
Object ID: ISSW13_paper_O2-20.pdf
Keywords: avalanche-dynamics model, saint-venant equation, prediction and uncertainty, maps
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Title: Preliminary Results at the Hijiori Avalanche Test Site
Date: 2013-10-07
Authors: Osamu Abe, Masaki Nemoto, Kenji Kosugi, Isao Kamiishi
Description: Hijiori is one of the heaviest snow areas in Japan. Recently to observe blowing snow and avalanches, an almost perfect place was found in this area. T...
Object ID: ISSW13_paper_O4-32.pdf
Keywords: avalanche test site, avalanche dynamics, snow cornice
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Title: The Full-Scale Avalanche Dynamics Test Site Vallée de la Sionne Betty
Date: 2013-10-07
Authors: Betty Sovilla, Jim McElwaine, Walter Steinkogler, Martin Hiller, François Dufour, Emma Suriñach, Cristina Perez Guillen, Jan-Thomas Fischer, Emmanuel Thibert, Djebar Baroudi
Description: The full-scale avalanche dynamics test site Vallée de la Sionne (VdlS) is providing scientists and engineers with essential data to understand and...
Object ID: ISSW13_paper_O4-33.pdf
Keywords: avalanche dynamics, vallée de la sionne, full-scale test site
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Title: Towards a Basic Avalanche Characterization Based on the Generated Seismic Signal
Date: 2013-10-07
Authors: Alec van Herwijnen, Lisa Dreier, Perry Bartelt
Description: The primary reasons to study the seismic signal generated by avalanches are (1) to remotely detect snow avalanches and (2) to improve our understandin...
Object ID: ISSW13_paper_P2-24.pdf
Keywords: seismic monitoring, avalanche activity, avalanche dynamics
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Title: Extreme Value Analysis of Design Events
Date: 2013-10-07
Authors: Jan-Thomas Fischer, Leopold Stepanek, Andreas Huber, Reinhard Fromm, Antonia Zeidler, Karl Kleemayr
Description: Design events are used in avalanche engineering applications like hazard zone mapping, dimensioning of protection measures or the optimization and cal...
Object ID: ISSW13_paper_P2-43.pdf
Keywords: snow, avalanche dynamics, extreme value analysis, run out, design event, extreme event
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Title: Modelling Wet Snow Avalanche Flow with a Temperature Dependent Coulomb Friction Function
Date: 2013-10-07
Authors: César Vera and Perry Bartelt
Description: We present a model to describe the motion of wet snow avalanches. This model is used to simulate a well-documented wet snow avalanche event in Switzer...
Object ID: ISSW13_paper_P2-44.pdf
Keywords: wet snow, avalanche dynamics, ice friction, meltwater lubrication, numerical modelling
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Title: Back-Analysis Modelling of the Catastrophic Avalanches in Sewell, Central Chilean Andes
Date: 2013-10-07
Authors: Marc Janeras, Pere Oller, Rodrigo Arancibia, Judit Pons, Olga Costa, Danilo Asensio
Description: In the Chilean Andes, avalanche risk is often related to mining industry, due to its presence in this mountain range, comparing to other activities. A...
Object ID: ISSW13_paper_P2-49.pdf
Keywords: back-analysis calculation, avalanche dynamics, chilean andes
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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: Objective Comparison of Two to Three Dimensional Avalanche Model Output and Field Data Using the Aimec Approach
Date: 2012
Authors: Jan-Thomas Fische, Reinhard Fromma, Peter Gauerb, Betty Sovillac
Description: In recent years two to three dimensional avalanche simulation tools have gained importance to esti- mate the hazard. The models are optimized to deter...
Object ID: issw-2012-574-579.pdf
Keywords: snow, avalanche, dynamics, modeling, doppler radar, velocity
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