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International Symposium on Snow and Avalanches
Davos, Switzerland
2-6 June 2003

Editor: P. Föhn

(Abstracts accepted for presentation)

Statistical avalanche-runout estimation for short slopes in Canada
Alan S. T. Jones and Bruce Jamieson

Snow microstructure and permeability in the near-surface core at a potential deep drilling site in West Antarctica
Ursula Leeman and Mary Albert

Numerical simulation model of powder snow avalanches based on the κ-ε turbulence model
Yusuke Fukushima and Toshihiko Etoh

A statistical-physical snow model: daily point simulations for Norway 1961-2002
Rune V. Engeset, Hans-Christian Udnæs, Ole Einar Tveito, Eirik J. Førland, Kjetil Isaksen, Zelalem Mengistu and Nina R. Raabel

Effect of summer snowfall on glacier mass balance
J. Oerlemans and E. J. Klok

Evaluation of spatial resolution of satellite data on snow cover estimates
Jahangir Porhemmat and Bahram Saghafian

Fractal dimension of the snow cover texture
Nikolay A. Kazakov

The Monte-Carlo simulation of avalanche-type processes
A. N. Bozhinskiy

Hierarchy theory as a conceptual framework for scale issues in avalanche forecasting modeling
P. Hägeli and D. M. McClung

The mass balance of a dry snow surface during snow storm
Richard Bintanja

Snow creep: application to a snowpack in interaction with a flexible supporting structure
Benoît Boutillier, François Nicot, Jacques Meyssonnier, Olivier Gagliardini and Félix Darve

Dynamics of avalanches along general mountain slopes
Shiva Prasad Pudasaini, Yongqi Wang and Kolumban Hutter

Avalanche initiation: a finite element study
S. Senthil and Puneet Mahajan

Return period of avalanches far into the runout zone
D. M. McClung

Slushflow hazard prediction and warning
Erik Hestnes and Steinar Bakkehøi

A failure criterion of snow on the basis of time to failure and its validation at critical strain-rate
Aloke Mishra, D. N. Sethi and Agraj Upadhyay

Mapping and forecasting of avalanches in western Himalaya using GIS
Rashpal Kor and Ashwagosha Ganju

Estimating snow conditions in Finland in the late 21st century using the SNOWPACK model with regional climate scenario data as input
Sirpa Rasmus, Jouni Räisänen and Michael Lehning

SNOWPACK model validation in Finland: sensitivity and parameterisation
Sirpa Rasmus and Michael Lehning

2D numerical modelling of surface wind velocity and associated snow drift effects over complex mountainous orography
Yves Durand, Gilbert Guyomarc'h, Laurent Mérindol and Javier G. Corripio

Large-scale snow instability patterns in western Canada: first analysis of the CAA-InfoEx database 1991-2002
Urs Gruber, Pascal Hägeli, David M. McClung and Evan Manners

Temporal changes in the shear strength and hardness of a buried surface hoar layer
K. Birkeland, K. Kronholm, M. Schneebeli and C. Pielmeier

Using unsteady hydraulic analogs to model waves, and short lived peak velocities and peak impact loads associated snow avalanche
Robert Rice, Jr and Rand A. Decker

Slab avalanche release viewed as interface fracture in a random medium
Michael Zaiser

Numerical simulations of dense clouds on steep slopes: application to powder-snow avalanches
Jocelyn étienne, Pierre Saramito and Emil J. Hopfinger

Snow cover variability in German Low Mountain ranges under the influence of climate change
Johannes Schönbein, Christoph Schneider and Ralf Roth

Remote sensing and GIS-based models for rock and ice avalanches and their application to the 20 September 2002 rock/ice avalanche at Kolka glacier (North Osetia, Russian Caucasus)
C. Huggel, A. Kääb, N. Salzmann, W. Haeberli, A. Polkvoj, I. Zotikov and N. Osokin

Heat flow from wet to dry snowpack layers and associated faceting
Bruce Jamieson and Charles Fierz

The Kolka-Karmadon rock/ice slide of 20 September 2002: an extraordinary event of historical dimensions in North Osetia (Russian Caucasus)
W. Haeberli, C. Huggel, A. Kääb, A. Polkvoj, I. Zotikov and N. Osokin

Genesis of avalanches spring melting of snow on Sakhalin Island (on an example of the East-Sakhalin Mountains)
Yury V. Gensiorovskiy

Topography-driven snow avalanche susceptibility
Alessandro Ghinoi and Chang-Jo F. Chung

The comparison of risk assessment based on empirical probability zoning model (Russia) and some statistical models by West European researchers for avalanche encounter probability
Yu. B. Andreev and L. A. Sukhanov

What do the results of nearest neighbours models mean in avalanche forecasting?
A. Felber, J. Heierli, J. Kowalski and R. S. Purves

The microwave alpine snow melting experiment (MASMEX 2002)
Anselmo Cagnati, Andrea Crepaz, Giovanni Macelloni, Simonetta Paloscia, Paolo Pampaloni, Roberto Ranzi, Roberto Ruisi, Emanuele Santi, Marco Tedesco, Massimo Tomirotti, Mauro Valt and Renato Zasso

Physical and morphological features of snowcover surface layers in Antarctica
Anselmo Cagnati, Mauro Valt, Ruggero Casacchia and Rosamaria Salvatori

On the fracture toughness of snow
Jürg Schweizer, Gerard Michot and Helmut O. K. Kirchner

Verified combination of numerical weather and avalanche prediction models at Kootenay Pass, British Columbia, Canada
Claudia Roeger, David McClung and Roland Stull

Characterising the action of a snow avalanche through the analysis of metal target's behaviour
Ph. Berthet-Rambaud, J.-M. Taillandier, A. Limam, J. Mazars and L. Daudeville

Insight to snow and avalanche considering disturbances to forest growth
Ryuzo Nitta

Temporal variability in snow distribution
Eli Alfnes, Liss M. Andreassen, Rune V. Engeset, Thomas Skaugen and Hans-Christian Udnæs

Seasonal changes of the snow cover extent in the former Soviet Union as seen from the historical snow-depth observations
Kunio Rikiishi and Junko Sakakibara

Linear trends of the length of snow cover season in the Northern Hemisphere as observed by the satellites in recent 28 years
Kunio Rikiishi, Eisuke Hashiya and Masahumi Imai

Risk assessment in avalanche prone areas
M. Barbolini, F. Cappabianca and F. Savi

Simulations of observed dry-snow avalanches in the full-scale test site Ryggfonn, Norway
K. Lied, C. Harbitz, D. Issler, A. Moe, K. Kristensen, F. de Blasio, M. Naaim, M. Barbolini, J. McElwaine, R. I. Perla, A. Mears, R. Sailer, D. Illmer and T. Jóhannesson

Observation of internal structures of snow covers with a ground-penetrating radar
Tatsuya Yamamoto, Kenichi Matsuoka and Renji Naruse

SNOWPACK model calculations of snow in Hokkaido, Japan
Hiroyuki Hirashima, Emiko Baba, Akihiro Hachikubo, Kouichi Nishimura and Michael Lehning

Blowing snow at Mizuho station, Antarctica
Kouichi Nishimura and Masaki Nemoto

Operational subpixel snow mapping over the Alps with NOAA-AVHRR data
N. Foppa, S. Wunderle, A. Hauser, D. Oesch and F. Kuchen

Mechanical vibration responses of snow samples near the melting temperature
Iwao Takei and Norikazu Maeno

Numerical study of time development and its relevance to spatial development in drifting snow
Masaki Nemoto, Kouichi Nishimura, Shun'ichi Kobayashi and Kaoru Izumi

Particle size near the snow surface in drifting snow with periods of inactivity in the Arctic, Barrow, Alaska
Konosuke Sugiura, Tetsuo Ohata and Daqing Yang

Determination of snow-cover characteristics using a reflectance model measured from satellite remote sensing and ground based spectral information
P. Mathur and V. D. Mishra

A new constitutive law for snow taking into account the volumetric changes under different confinements
Aloke Mishra and Puneet Mahajan

Investigations into remotely triggered slab avalanches
Benjamin Crane Johnson and Bruce Jamieson

Observed changes in snow cover properties during last 50 years in Finland
Tari Oksanen

The surface snow properties in western Dronning Maud Land, Antarctica
Eija Kärkäs

Experimental and numerical study of granular flow and fence interaction
Thierry Faug, Mohamed Naaim and Florence Naaim-Bouvet

Dense and powder avalanches around obstacles: dissipation processes
Florence Naaim-Bouvet, Mohamed Naaim and Thierry Faug

Experimental study of dense snow avalanches: velocity profiles in quasi-permanent and fully-developed flows
Alexi Bouchet, Mohamed Naaim, Hervé Bellot and Fréderic Ousset

Cartographic Avalanche Forecasting (CAF): a GIS-supported aid and representation tool
I. Moner, J. Marturià, J. C. González, P. Oller, C. García, G. Martí, P. Martínez and A. Roca

Regional snow avalanche frequency for the last century: topoclimatic effects, and environmental and climatic changes, Québec, Canada
Daniel Germain, Bernard Hétu and Louise Filion

Calculation of two-dimensional avalanche velocities from opto-electronic sensors
J. N. McElwaine

Using vegetation to characterize the avalanche of Canal del Roc Roig, Vall de Núria (eastern Pyrenees, Spain)
Ricard Molina, Elena Muntán, Laia Andreu, Glòria Furdada, Pere Oller, Emilia Gutiérrez, Pere Martínez and Joan Manuel Vilaplana

Implications of spatial distributions of snow mass and melt rate on snowcover depletion: observations in a sub-Arctic mountain catchment
John Pomeroy, Richard Essery and Brenda Toth

Avalanche hazard zoning in Iceland based on individual risk
Thorsteinn Arnalds, Kristján Jónasson and Sven Sigurðsson

A nearest neighbor model for forecasting skier-triggered dry slab avalanches on persistent weak layers in the Columbia Mountains of Canada
Antonia Zeidler and Bruce Jamieson

Low temperature scanning electron microscopy of snow
J. R. Blackford, B. A. Marmo and C. E. Jeffree

Dendrochronological study of the avalanche path Canal del Roc Roig: first results of the ALUDEX project in the Pyrenees
Elena Muntán, Laia Andreu, Pere Oller, Emilia Gutiérrez and Pere Martínez

Snow drift around avalanche defense structures
Christian Jaedicke, Florence Naaim and Matthias Granig

Implications of spatial distributions of snow mass and melt rate on snowcover depletion: theoretical considerations
Richard Essery and John Pomeroy

Automatic seismic detection of natural avalanches: operational running, analysis and recognition of signals and results
Jean-Pierre Navarre, Jacques Roulle and Jean Michel Panel

Validation of the surface energy budget simulated by several snow models (SNOWMIP project)
P. Etchevers, E. Martin, R. Brown, C. Fierz, Y. Lejeune, E. Bazile, A. Boone, Y.-J. Dai, R. Essery, A. Fernandez, Y. Gusev, R. Jordan, V. Koren, E. Kowalczyk, N. O. Nasonova, R. D. Pyles, A. Schlosser, A. B. Shmakin, T. G. Smirnova, U. Strasser, D. Verseghy, T. Yamazaki and Z.-L. Yang

From snow X-ray microtomograph raw volume data to micromechanics modeling: first results
Romeu André Pieritz, Jean-Bruno Brzoska, Frédéric Flin, Bernard Lesaffre and Cécile Coléou

Time variant snow distribution for use in hydrological models
Thomas Skaugen, Eli Alfnes, Elin G. Langsholt and Hans-Christian Udnæs

A system for prediction of avalanche hazard in the windy climate of Iceland
Svanbjörg H. Haraldsdóttir, Haraldur Ólafsson, Yves Durand, Gérald Giraud and Laurent Mérindol

Observations of accumulation of snow in the central Icelandic highlands
Haraldur Ólafsson, Marcel de Vries, Svanbjörg Helga Haraldsdóttir and Magnús Már Magnússon

Snow avalanche accidents in Japan for the past one hundred years (1900-1999)
Kaoru Izumi, Shun'ichi Kobayashi, Masaki Nemoto, Katsutoshi Yano, Yasoichi Endo and Yoshio Ohzeki

Snow crystals in the classroom
Kazuhiko Hiramatsu

Snow avalanches of Russian Caucasus
Tatiana Glazovskaya, Yuri Seliverstov and Elizabeth Troshkina

Disposition model for avalanche starting zones. Studies in the Drau catchment, South Tyrol
Hamdi Cara

Application of the numerical snowpack model (SNOWPACK) to the wet snow region in Japan
Satoru Yamaguchi, Atsushi Sato and Michael Lehning

Monitoring dynamics snow cover in various landscapes of Sakhalin Island
Vyacheslav A. Melkiy and Yury V. Gensiorovskiy

Airflow measurements in the snow avalanche flow
Y. Ito, K. Nishimura, Y. Nohguchi, K. Izumi, O. Abe and K. Kosugi

Exploring the spatial variability of hard slab and dry loose avalanches, Jackson Hole, Wyoming, U.S.A.
C. McCollister, K. Birkeland and K. Hansen

The splash function for snow from wind-tunnel measurements
J. N. McElwaine, N. Maeno and K. Sugiura

IFKIS — managing avalanche risk in settlements and on roads
Michael Bründl, Christian Klingler, Manfred Steiniger, Jakob Rhyner and Walter Ammann

Permafrost occurrence in avalanche slopes: field measurements and numerical modelling
M. Luetschg, W. Haeberli and V. Stoeckli

Modelling instability for the snow cover model SNOWPACK
Michael Lehning, Charles Fierz, Bob Brown and Bruce Jamieson

Predicting snow conditions for the optimisation of ski racing equipment and piste preparation
Sven Bethke, Michael Lehning and Hansueli Rhyner

The principle of minimum entropy production and snow structure
Perry Bartelt and Othmar Buser

Evaluation of dendroecological methods to reconstruct temporal and spatial patterns of avalanche events in undocumented mountainous areas
Alejandro Casteller, Veronika Stoeckli and Ricardo Villalba

Melt water retention in seasonal snow at the Greenland ice sheet margin
Carl Egede Bøggild

Hazard scenarios for avalanche actions on bridges
Stefan Margreth and Walter J. Ammann

Micromechanical properties in snow layers on a small slope
Kalle Kronholm and Martin Schneebeli

A wind tunnel for investigations of the natural snow cover: first results on sublimation rates and thresholds for drifting snow
T. Exner, J. D. Rüedi, M. Connolly and M. Lehning

Measurements and model calculations of the solar shortwave fluxes in snow on Summit/Greenland
Ingo Meirold-Mautmer and Michael Lehning

Multitemporal risk assessment for avalanche hazards: results from settlements in Grisons, Switzerland
Sven Fuchs, Michael Bründl and Johann Stötter

SnowMIP, an intercomparison of snow models: comparison of detailed snow-cover simulations
C. Fierz, P. Etchevers, R. Jordan, M. Lehning, Y. Lejeune and E. Martin

SN_GUI: a graphical user interface for snowpack modeling
G. Spreitzhofer, C. Fierz and M. Lehning

Thermophysical and microstructural evolution of snow during temperature gradient metamorphism
Sergey A. Sokratov and Martin Schneebeli

Modelling mixed snow avalanches in Aulta, Galtür and Vallée de la Sionne
Barbara Turnbull, Robin Straub and Perry Bartelt

Snow climate and avalanche activity in Davos — the 20th century overview
Roland Meister

Numerical simulation of elastic stress in the microstructure of snow
Martin Schneebeli

Impact of artificial snow and ski slope grooming on snow pack properties and soil thermal regime in a sub-alpine area
T. Keller, C. Pielmeier, C. Rixen, F. Gadient, D. Gustafsson and M. Stähli

Dependence of drifting snow saltation lengths on snow surface hardness
Kenji Kosugi, Takeshi Sato and Atsushi Sato

Three-dimensional observation of depth hoar layer by NMR imaging
Toshihiro Ozeki, Katsumi Kose, Tomoyuki Haishi and Kouichi Nishimura

New method for classification of avalanche paths with risks
François Rapin, Maurice Meunier and Robert Bolognesi

Modeling the density variation in the shallow firn layer
Li Jun and H. Jay Zwally

The temperature and density dependent acoustic emission response of snow in axial shear tests
C. Scapozza, F. Bucher, P. Amann, W. Ammann and P. Bartelt

Observations of the seismic signals associated with snow avalanches
Nobuyuki Imanishi, Takeo Moriya, Tomomi Yamada and Kouichi Nishimura

Development of saltation layer of drifting snow
Takeshi Sato, Kenji Kosugi and Atsushi Sato

3D geometric measurements of snow microstructural evolution under isothermal conditions
Frédéric Flin, Jean-Bruno Brzoska, Bernard Lesaffre, Cécile Coléou and Romeu André Pieritz

Climatic response of snow depth at heavy snowfall areas in Japan to recent warmer winter seasons
Masaaki Ishizaka

Avalanche risk management in backcountry skiing operations
Harpa Grimsdóttir and D. M. McClung

Modelling ionic transport in a layered subalpine snow cover with the model SNOWPACK
Peter A. Waldner, Manfred Stähli, Michael Lehning, Martin Schneebeli and Margit Schwikowski

Characterization of the microstructure of snow with TDR
Richard Fortin, Nirmal K. Sinha and François Anctil

Measurements and simulations of snow and superimposed ice at the Kongsvegen glacier, Svalbard
Friedrich Obleitner and Michael Lehning

Anisotropy of the reflected radiation on a snow surface: ground measurements and simulation
E. C. J. Hendriks, J. W. Greuell, J. Oerlemans, W. Knap and P. Stammes

Snow albedo measurements during ablation period in Finnish tundra
Kai Rasmus and Sirpa Rasmus

LAVINA-2 - a computer-assisted work place for avalanche forecaster
P. Chernouss and B. Kozelov

Effect of explosions on snow stability on mountain slope
Pavel Chernouss, Evgueny Mokrov, Yuri Fedorenko, Eystein Husebye and Elena Beketova

Regular packing of grains as a model of snow structure
V. N. Golubev and S. A. Sokratov

An enhanced, albedo accounting, temperature-index melt model for distributed application
Francesca Pellicciotti, Ben Brock, Ulrich Strasser, Paolo Burlando, Martin Funk and Javier Corripio

Updating and validation of snow routines with remotely sensed snow cover data
Sjur Kolberg

PC based data acquisition system for thermal conductivity measurement of snow
A. K. Singh and Vrushali Deo

Possible reasons for the scale invariance of avalanche starting zone sizes
J. Faillettaz and F. Louchet

Snow toughness measurements: a challenge?
J. Faillettaz, F. Louchet, B. Chareyre and D. Daudon

Snow distribution mapping and modeling
Oddbjørn Bruland

Shear strength of snow layers including graupel
Osamu Abe

Possible erosion mechanisms in snow avalanches
Peter Gauer and Dieter Issler

Contrasts in the spatial heterogeneity of perennial and seasonal snow layers
Matthew Sturm and Carl Benson

Avalanche simulation with SAMOS
Peter Sampl and Thomas Zwinger

Avalanche warning Switzerland: consequences of the avalanche winter 1999
Jakob Rhyner, Michael Bründl, Hans-Jürg Etter, Michael Lehning, Manfred Steiniger, Urs Stöckli and Walter Ammann

A new in-situ sensor for large-scale snow cover monitoring: II. Field test
M. Stähli, M. Stacheder, D. Gustafsson, A. Brandelik and M. Schneebeli

Use of flat-band snow sensor data in a snowmelt run-off model
D. Gustafsson, M. Stähli and R. Meister

Physical description of the snowmaking process using the jet technique and properties of the produced snow
M. Fauve and H. Rhyner

On the velocity structure of the shear layer in snow avalanches
Martin Kern and Felix Tiefenbacher

Avalanches in Finland: recent observations and experiences from forecasting
Alberto S. Blanco

A new in-situ sensor for large-scale snow cover monitoring: I. Principle, design, and air gap correction
M. Stacheder, S. Schlager, A. Brandelik and M. Norgren

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