International Symposium on Mitigation Measures against Snow Avalanches and other Rapid Gravity Mass Flows – Siglufjörður 3–5 April 2019
Programme
Tuesday 2 April 2019
17:00 – 19:00	Registration at Hótel Sigló
18:30 – 20:00	Welcome reception sponsored by the municipality of Fjallabyggð/Siglufjörður in the Herring Era Museum
Wednesday 3 April 2019
08:00 – 09:00	Registration at the symposium venue (red/blud buildings near Hótel Sigló)
09:00 – 09:20	Symposium opening – Guðmundur Ingi Guðbrandsson, the Minister for the Environment and Natural Resources, Gunnar Birgisson, the mayor of Fjallabyggð/Siglufjörður, Árni Jónsson, chairman of the local organizing committee.
Session	Risk management, general
	Chair: Harpa Grímsdóttir
09:20 – 09:40	Michael Bründl: Risk management of gravitational driven processes in Switzerland (keynote)
09:40 – 09:55	Andreas Drexel: Blons in Vorarlberg, Austria – 60 years sustainable avalanche protection – Experience, setbacks and lessons learned
09:55 – 10:10	Odd-Arne Mikkelsen: Snow2019_NVE.RN_The Norwegian way of preventing nature hazard
10:10 – 10:25	Martin Proksch: An integral avalanche safety concept for Goms region, Valais, Switzerland
10:25 – 10:40	Hafsteinn Pálsson: The importance of the Icelandic Avalanche and Landslide Fund for avalanche-prone areas in Iceland
10:40 – 10:55	Coffee
Session	Risk management, general, continued
	Chair: Fjóla Guðrún Sigtryggsdóttir
10:55 – 11:10	Magni Hreinn Jónsson: Avalanche hazard mapping and mitigation for settlements in Iceland – An overview
11:10 – 11:25	Hiroki Matsushita: A simple evaluation of dry-snow avalanche hazard using meteorological data
11:25 – 11:40	Bruce Jamieson: Adjusting for uncertainty when combining runout estimates for extreme snow avalanches
11:40 – 11:55	Cam Campbell/Brian Gould: Post wildfire analysis of avalanche hazard in Canada
11:55 – 12:05	Discussion
12:05 – 13:00	Lunch
Session	Society and the environment
	Chair: Tómas Jóhannesson
13:00 – 13:20	Arne Instanes: Society and environment in the context of changing climate in Arctic regions (keynote)
13:20 – 13:35	Arnold Studeregger: Avalanche commissions in Austria at the interface between locals and authorities. Embedding, decision process and quality assurance
13:35 – 13:50	Fjóla Guðrún Sigtryggsdóttir: Avalanche and landslide hazard zoning committees in Iceland
13:50 – 14:05	Halldór Halldórsson: Protection measures and working with the locals, practical challenges
14:05 – 14:20	Eiður P. Birgisson: Landscape design of snow avalanche protection structures in Siglufjörður, Ólafsfjörður and Seyðisfjörður
14:20 – 14:35	Abdurrahim Aydın: Historical development and future outlook of the avalanche hazard potential of residential areas in the Lake Uzungöl (Eastern Black Sea Region of Turkey) between 2004 and 2050
14:35 – 15:00	Discussion
15:00 – 15:20	Coffee
Session	Risk management, general, traffic and ski areas
	Chair: Magni Hreinn Jónsson
15:20 – 15:40	Peter Gauer: Avalanche observations related to probabilities (keynote)
15:40 – 15:55	Martin Proksch/Pascal Venetz: From the pilot study to the practical implementation – A case study from the Oberalppass in Switzerland
15:55 – 16:10	Remzi Eker: Evaluation of snow avalanche hazard on the highway using high resolution UAV data: Case of Erzurum-Çat-Karlıova highway, Turkey
16:10 – 16:25	Patrick Siegele: Hazard managing in Austrian ski areas
16:25 – 16:40	Harpa Grímsdóttir: Management of avalanche risk in Icelandic ski areas
16:40 – 16:55	Tore Humstad: Avalanche warning services as an integrated part of winter road operations in Norway
16:55 – 17:10	Geir Sigurðsson: Avalanche management for roads in Iceland
17:10 – 17:25	Ole-André Helgaas: Methods for avalanche protection on roads in Finnmark in Northern Norway
17:25 – 17:40	Daniel Germain: Avalanche hazard in urban snow storage sites in Province of Quebec, Canada
17:40 – 18:00	Discussion
20:30 – 21:30	Optional evening session with photos and videos of avalanches and protection measures
Programme
Thursday 4 April 2019
Session	Planning, design, construction and management of protection measures
	Chair: Bruce Jamieson
09:00 – 09:20	Stefan Margreth: Effectiveness and maintenance of technical avalanche protection measures in Switzerland (keynote)
09:20 – 09:35	Cameron Ross: Avalanche deflection berm and stopping wall at a hydro-electric facility in north-western British Columbia, Canada
09:35 – 09:50	Árni Jónsson: Longyearbyen Svalbard – Mitigation measures for Sukkertoppen and Vannledningsdalen
09:50 – 10:05	Daniel Illmer: Everyday work of an avalanche engineer – Calculation of avalanche loads and protection of small objects in avalanche paths like ropeway towers
10:05 – 10:20	Jón Skúli Indriðason: Experience and evaluation of reinforced soil systems in catching dams in Iceland 1998–2017
10:20 – 10:35	Áslaug Traustadóttir: Landscaping of avalanche dams in Fjarðabyggð and Vestfirðir
10:35 – 10:50	Coffee
Session	Planning, design, construction and management of protection measures, continued
	Chair: Andreas Drexel
10:50 – 11:05	Rico Brändle: Floating foundations for flexible snow nets on permafrost and creeping slopes – 10 years experience
11:05 – 11:20	Nicolas Villard: Hybrid innovative protection structures with optimized foundations and field adaptation
11:20 – 11:35	Jón Skúli Indriðason: Observed changes in hydrology downstream of large earth fill dams in Iceland. Lessons learned
11:35 – 11:50	Anders Bjordal: Tree Tribes Meeting – how to build a protection dam
11:50 – 12:05	Discussion
12:05 – 13:00	Lunch
Session	Observations of avalanches, instrumentation
	Chair: Árni Jónsson
13:00 – 13:20	Betty Sovilla: The avalanche flow regimes and their pressure on infrastructures (keynote)
13:20 – 13:35	Philippe Berthet-Rambaud: Attempt to combine few historical data from a 19th century avalanche and recent modelling capabilities for hazard zoning at Tignes Brévières
13:35 – 13:50	Þorsteinn Sæmundsson: Monitoring rock avalanche hazard from the Svínafellsheiði mountainside in SE Iceland
13:50 – 14:05	Engelbert Gleirscher: SNOWCATCHER – full-scale test site in the Stubai Valley – site selection, installation of structure and monitoring system, first results of the avalanche–structure interaction
14:05 – 14:20	Rune Solberg: Landslide detection and mapping by remote sensing
14:20 – 14:35	Tómas Jóhannesson: Snow avalanches hitting deflecting and catching dams in Iceland 1997–2018
14:35 – 14:50	Sveinn Brynjólfsson: Snow avalanches hitting natural obstacles in Iceland: The avalanches at Kisárdalur, Steinsstaðaskál and Upsi in N-Iceland
14:50 – 15:00	Discussion
15:00 – 15:20	Coffee
15:20 – 16:20	Poster session
Session	Simulations of avalanches, laboratory experiments
	Chair: Betty Sovilla
16:20 – 16:40	Chris Johnson: Interaction of granular avalanches with obstacles and topography (keynote)
16:40 – 16:55	Gísli Steinn Pétursson: Analyzing and mitigating the impact of avalanche protection structures on their local wind climate
16:55 – 17:10	Kristín Martha Hákonardóttir: The design of slushflow barriers: Laboratory experiments
17:10 – 17:25	Halldór Pálsson: The design of slushflow barriers: OpenFOAM simulations
17:25 – 17:40	Hafþór Örn Pétursson: Use of RAMMS Avalanche and OpenFOAM to simulate the interaction of avalanches and slush flows with dams
17:40 – 18:00	Discussion
18:00	Closing remarks
18:30 – 20:00	Hotel lounge area open for meeting other guests before the banquet
20:00	Symposium Banquet
Friday 5 April 2019
09:00 – 17:30	Symposium Excursion
18:00 – 19:00	Bus to Akureyri airport from Siglufjörður or Dalvík with excursion participants (flight to Reykjavík departs at 20:10)
Saturday 6 April 2019
09:00 – 16:00	Ski mountaineering tour
17:00 – 18:00	Bus to Akureyri airport with ski mountaineering tour participants (flight to Reykjavík departs at 19:05)
Programme
Posters, booths, company introductions
	Susan J. Conway: Using RAMMS (RApid Mass Movement Simulation) to simulate rapid gravity mass flows in martian gullies
	Armelle Decaulne: Mass movements in Nunavik: hazard and risk
	Andreas Drexel: Adaption of snow bridges in the Großtal avalanche in Galtür, Tyrol, Austria – Constructive and static problems
	Örn Ingólfsson: Using data from automatic snow sensors for avalanche forecasting in Iceland
	Árni Jónsson: Planning for highways in avalanche-prone areas in Troms County, Northern Norway
	Árni Jónsson: Wind simulation for Longyearbyen mitigation measures
	Costanza Morino: Geomorphic signatures of different debris-flow release processes in Ísafjörður, north-western Iceland
	Trond Jøran Nilsen: Methods for avalanche protection on roads in Finnmark in Northern Norway
	Elena Pummer: Hybrid modeling of debris flows – Focusing on initial and boundary conditions
	Rune Solberg: Mapping snow surface hoar by optical remote sensing
	Brynjólfur Sveinsson: Snow avalanche history of rural areas in Iceland
	Þorsteinn Sæmundsson: TDR used for the first time to monitor slope movements in Iceland. A case study from the Almenningar landslide in central North Iceland
	FSR – Government Construction Contracting Agency: Protection measures in Iceland – 1997–2018 – Protection dams, supporting structures (three posters)
	Exhibitors with booths
	Svarmi ehf. Iceland: Use of drones for mapping snow avalanches, landslides and construction areas
	CautusGeo, Norway
	Trumer Schutzbauten, Austria
	Geobrugg, Switzerland
	Húsasmiðjan/TAS, Iceland/France
	Company introductions
	Verkís hf.: Design of avalanche protection measures in Iceland. Verkís Consulting Engineers
	Hnit hf.: Design of avalanche protection measures in Iceland. Hnit Consulting Engineers
	Efla hf.: Design of avalanche protection measures in Iceland. Efla Consulting Engineers
	TenCate Geosynthetics North West Europe
	Reinforced Earth Company
	Mair Wilfried GmbH
	Wyssen Avalanche Control