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


Editor: P. Föhn

(Abstracts accepted for presentation)

38A001
Statistical avalanche-runout estimation for short slopes in Canada
Alan S. T. Jones and Bruce Jamieson

38A003
Snow microstructure and permeability in the near-surface core at a potential deep drilling site in West Antarctica
Ursula Leeman and Mary Albert

38A004
Numerical simulation model of powder snow avalanches based on the κ-ε turbulence model
Yusuke Fukushima and Toshihiko Etoh

38A005
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

38A007
Effect of summer snowfall on glacier mass balance
J. Oerlemans and E. J. Klok

38A008
Evaluation of spatial resolution of satellite data on snow cover estimates
Jahangir Porhemmat and Bahram Saghafian

38A011
Fractal dimension of the snow cover texture
Nikolay A. Kazakov

38A013
The Monte-Carlo simulation of avalanche-type processes
A. N. Bozhinskiy

38A014
Hierarchy theory as a conceptual framework for scale issues in avalanche forecasting modeling
P. Hägeli and D. M. McClung

38A015
The mass balance of a dry snow surface during snow storm
Richard Bintanja

38A016
Snow creep: application to a snowpack in interaction with a flexible supporting structure
Benoît Boutillier, François Nicot, Jacques Meyssonnier, Olivier Gagliardini and Félix Darve

38A017
Dynamics of avalanches along general mountain slopes
Shiva Prasad Pudasaini, Yongqi Wang and Kolumban Hutter

38A018
Avalanche initiation: a finite element study
S. Senthil and Puneet Mahajan

38A019
Return period of avalanches far into the runout zone
D. M. McClung

38A020
Slushflow hazard prediction and warning
Erik Hestnes and Steinar Bakkehøi

38A021
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

38A022
Mapping and forecasting of avalanches in western Himalaya using GIS
Rashpal Kor and Ashwagosha Ganju

38A023
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

38A024
SNOWPACK model validation in Finland: sensitivity and parameterisation
Sirpa Rasmus and Michael Lehning

38A025
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

38A026
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

38A027
Temporal changes in the shear strength and hardness of a buried surface hoar layer
K. Birkeland, K. Kronholm, M. Schneebeli and C. Pielmeier

38A028
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

38A029
Slab avalanche release viewed as interface fracture in a random medium
Michael Zaiser

38A030
Numerical simulations of dense clouds on steep slopes: application to powder-snow avalanches
Jocelyn étienne, Pierre Saramito and Emil J. Hopfinger

38A031
Snow cover variability in German Low Mountain ranges under the influence of climate change
Johannes Schönbein, Christoph Schneider and Ralf Roth

38A032
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

38A033
Heat flow from wet to dry snowpack layers and associated faceting
Bruce Jamieson and Charles Fierz

38A034
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

38A035
Genesis of avalanches spring melting of snow on Sakhalin Island (on an example of the East-Sakhalin Mountains)
Yury V. Gensiorovskiy

38A036
Topography-driven snow avalanche susceptibility
Alessandro Ghinoi and Chang-Jo F. Chung

38A037
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

38A038
What do the results of nearest neighbours models mean in avalanche forecasting?
A. Felber, J. Heierli, J. Kowalski and R. S. Purves

38A039
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

38A040
Physical and morphological features of snowcover surface layers in Antarctica
Anselmo Cagnati, Mauro Valt, Ruggero Casacchia and Rosamaria Salvatori

38A041
On the fracture toughness of snow
Jürg Schweizer, Gerard Michot and Helmut O. K. Kirchner

38A042
Verified combination of numerical weather and avalanche prediction models at Kootenay Pass, British Columbia, Canada
Claudia Roeger, David McClung and Roland Stull

38A043
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

38A044
Insight to snow and avalanche considering disturbances to forest growth
Ryuzo Nitta

38A045
Temporal variability in snow distribution
Eli Alfnes, Liss M. Andreassen, Rune V. Engeset, Thomas Skaugen and Hans-Christian Udnæs

38A046
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

38A047
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

38A048
Risk assessment in avalanche prone areas
M. Barbolini, F. Cappabianca and F. Savi

38A049
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

38A050
Observation of internal structures of snow covers with a ground-penetrating radar
Tatsuya Yamamoto, Kenichi Matsuoka and Renji Naruse

38A051
SNOWPACK model calculations of snow in Hokkaido, Japan
Hiroyuki Hirashima, Emiko Baba, Akihiro Hachikubo, Kouichi Nishimura and Michael Lehning

38A052
Blowing snow at Mizuho station, Antarctica
Kouichi Nishimura and Masaki Nemoto

38A053
Operational subpixel snow mapping over the Alps with NOAA-AVHRR data
N. Foppa, S. Wunderle, A. Hauser, D. Oesch and F. Kuchen

38A054
Mechanical vibration responses of snow samples near the melting temperature
Iwao Takei and Norikazu Maeno

38A056
Numerical study of time development and its relevance to spatial development in drifting snow
Masaki Nemoto, Kouichi Nishimura, Shun'ichi Kobayashi and Kaoru Izumi

38A057
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

38A058
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

38A059
A new constitutive law for snow taking into account the volumetric changes under different confinements
Aloke Mishra and Puneet Mahajan

38A060
Investigations into remotely triggered slab avalanches
Benjamin Crane Johnson and Bruce Jamieson

38A061
Observed changes in snow cover properties during last 50 years in Finland
Tari Oksanen

38A063
The surface snow properties in western Dronning Maud Land, Antarctica
Eija Kärkäs

38A064
Experimental and numerical study of granular flow and fence interaction
Thierry Faug, Mohamed Naaim and Florence Naaim-Bouvet

38A065
Dense and powder avalanches around obstacles: dissipation processes
Florence Naaim-Bouvet, Mohamed Naaim and Thierry Faug

38A066
Experimental study of dense snow avalanches: velocity profiles in quasi-permanent and fully-developed flows
Alexi Bouchet, Mohamed Naaim, Hervé Bellot and Fréderic Ousset

38A067
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

38A068
Regional snow avalanche frequency for the last century: topoclimatic effects, and environmental and climatic changes, Québec, Canada
Daniel Germain, Bernard Hétu and Louise Filion

38A069
Calculation of two-dimensional avalanche velocities from opto-electronic sensors
J. N. McElwaine

38A070
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

38A071
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

38A072
Avalanche hazard zoning in Iceland based on individual risk
Thorsteinn Arnalds, Kristján Jónasson and Sven Sigurðsson

38A073
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

38A074
Low temperature scanning electron microscopy of snow
J. R. Blackford, B. A. Marmo and C. E. Jeffree

38A075
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

38A076
Snow drift around avalanche defense structures
Christian Jaedicke, Florence Naaim and Matthias Granig

38A077
Implications of spatial distributions of snow mass and melt rate on snowcover depletion: theoretical considerations
Richard Essery and John Pomeroy

38A078
Automatic seismic detection of natural avalanches: operational running, analysis and recognition of signals and results
Jean-Pierre Navarre, Jacques Roulle and Jean Michel Panel

38A079
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

38A080
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

38A081
Time variant snow distribution for use in hydrological models
Thomas Skaugen, Eli Alfnes, Elin G. Langsholt and Hans-Christian Udnæs

38A082
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

38A083
Observations of accumulation of snow in the central Icelandic highlands
Haraldur Ólafsson, Marcel de Vries, Svanbjörg Helga Haraldsdóttir and Magnús Már Magnússon

38A084
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

38A085
Snow crystals in the classroom
Kazuhiko Hiramatsu

38A086
Snow avalanches of Russian Caucasus
Tatiana Glazovskaya, Yuri Seliverstov and Elizabeth Troshkina

38A087
Disposition model for avalanche starting zones. Studies in the Drau catchment, South Tyrol
Hamdi Cara

38A088
Application of the numerical snowpack model (SNOWPACK) to the wet snow region in Japan
Satoru Yamaguchi, Atsushi Sato and Michael Lehning

38A089
Monitoring dynamics snow cover in various landscapes of Sakhalin Island
Vyacheslav A. Melkiy and Yury V. Gensiorovskiy

38A090
Airflow measurements in the snow avalanche flow
Y. Ito, K. Nishimura, Y. Nohguchi, K. Izumi, O. Abe and K. Kosugi

38A091
Exploring the spatial variability of hard slab and dry loose avalanches, Jackson Hole, Wyoming, U.S.A.
C. McCollister, K. Birkeland and K. Hansen

38A092
The splash function for snow from wind-tunnel measurements
J. N. McElwaine, N. Maeno and K. Sugiura

38A093
IFKIS — managing avalanche risk in settlements and on roads
Michael Bründl, Christian Klingler, Manfred Steiniger, Jakob Rhyner and Walter Ammann

38A094
Permafrost occurrence in avalanche slopes: field measurements and numerical modelling
M. Luetschg, W. Haeberli and V. Stoeckli

38A095
Modelling instability for the snow cover model SNOWPACK
Michael Lehning, Charles Fierz, Bob Brown and Bruce Jamieson

38A097
Predicting snow conditions for the optimisation of ski racing equipment and piste preparation
Sven Bethke, Michael Lehning and Hansueli Rhyner

38A098
The principle of minimum entropy production and snow structure
Perry Bartelt and Othmar Buser

38A099
Evaluation of dendroecological methods to reconstruct temporal and spatial patterns of avalanche events in undocumented mountainous areas
Alejandro Casteller, Veronika Stoeckli and Ricardo Villalba

38A100
Melt water retention in seasonal snow at the Greenland ice sheet margin
Carl Egede Bøggild

38A102
Hazard scenarios for avalanche actions on bridges
Stefan Margreth and Walter J. Ammann

38A103
Micromechanical properties in snow layers on a small slope
Kalle Kronholm and Martin Schneebeli

38A104
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

38A105
Measurements and model calculations of the solar shortwave fluxes in snow on Summit/Greenland
Ingo Meirold-Mautmer and Michael Lehning

38A106
Multitemporal risk assessment for avalanche hazards: results from settlements in Grisons, Switzerland
Sven Fuchs, Michael Bründl and Johann Stötter

38A107
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

38A108
SN_GUI: a graphical user interface for snowpack modeling
G. Spreitzhofer, C. Fierz and M. Lehning

38A109
Thermophysical and microstructural evolution of snow during temperature gradient metamorphism
Sergey A. Sokratov and Martin Schneebeli

38A110
Modelling mixed snow avalanches in Aulta, Galtür and Vallée de la Sionne
Barbara Turnbull, Robin Straub and Perry Bartelt

38A111
Snow climate and avalanche activity in Davos — the 20th century overview
Roland Meister

38A113
Numerical simulation of elastic stress in the microstructure of snow
Martin Schneebeli

38A114
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

38A115
Dependence of drifting snow saltation lengths on snow surface hardness
Kenji Kosugi, Takeshi Sato and Atsushi Sato

38A116
Three-dimensional observation of depth hoar layer by NMR imaging
Toshihiro Ozeki, Katsumi Kose, Tomoyuki Haishi and Kouichi Nishimura

38A117
New method for classification of avalanche paths with risks
François Rapin, Maurice Meunier and Robert Bolognesi

38A118
Modeling the density variation in the shallow firn layer
Li Jun and H. Jay Zwally

38A120
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

38A121
Observations of the seismic signals associated with snow avalanches
Nobuyuki Imanishi, Takeo Moriya, Tomomi Yamada and Kouichi Nishimura

38A122
Development of saltation layer of drifting snow
Takeshi Sato, Kenji Kosugi and Atsushi Sato

38A123
3D geometric measurements of snow microstructural evolution under isothermal conditions
Frédéric Flin, Jean-Bruno Brzoska, Bernard Lesaffre, Cécile Coléou and Romeu André Pieritz

38A124
Climatic response of snow depth at heavy snowfall areas in Japan to recent warmer winter seasons
Masaaki Ishizaka

38A125
Avalanche risk management in backcountry skiing operations
Harpa Grimsdóttir and D. M. McClung

38A126
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

38A127
Characterization of the microstructure of snow with TDR
Richard Fortin, Nirmal K. Sinha and François Anctil

38A128
Measurements and simulations of snow and superimposed ice at the Kongsvegen glacier, Svalbard
Friedrich Obleitner and Michael Lehning

38A129
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

38A130
Snow albedo measurements during ablation period in Finnish tundra
Kai Rasmus and Sirpa Rasmus

38A131
LAVINA-2 - a computer-assisted work place for avalanche forecaster
P. Chernouss and B. Kozelov

38A132
Effect of explosions on snow stability on mountain slope
Pavel Chernouss, Evgueny Mokrov, Yuri Fedorenko, Eystein Husebye and Elena Beketova

38A133
Regular packing of grains as a model of snow structure
V. N. Golubev and S. A. Sokratov

38A134
An enhanced, albedo accounting, temperature-index melt model for distributed application
Francesca Pellicciotti, Ben Brock, Ulrich Strasser, Paolo Burlando, Martin Funk and Javier Corripio

38A135
Updating and validation of snow routines with remotely sensed snow cover data
Sjur Kolberg

38A136
PC based data acquisition system for thermal conductivity measurement of snow
A. K. Singh and Vrushali Deo

38A137
Possible reasons for the scale invariance of avalanche starting zone sizes
J. Faillettaz and F. Louchet

38A138
Snow toughness measurements: a challenge?
J. Faillettaz, F. Louchet, B. Chareyre and D. Daudon

38A139
Snow distribution mapping and modeling
Oddbjørn Bruland

38A140
Shear strength of snow layers including graupel
Osamu Abe

38A141
Possible erosion mechanisms in snow avalanches
Peter Gauer and Dieter Issler

38A142
Contrasts in the spatial heterogeneity of perennial and seasonal snow layers
Matthew Sturm and Carl Benson

38A143
Avalanche simulation with SAMOS
Peter Sampl and Thomas Zwinger

38A144
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

38A145
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

38A146
Use of flat-band snow sensor data in a snowmelt run-off model
D. Gustafsson, M. Stähli and R. Meister

38A147
Physical description of the snowmaking process using the jet technique and properties of the produced snow
M. Fauve and H. Rhyner

38A148
On the velocity structure of the shear layer in snow avalanches
Martin Kern and Felix Tiefenbacher

38A149
Avalanches in Finland: recent observations and experiences from forecasting
Alberto S. Blanco

38A150
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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