International Glaciological Society Nordic Branch Meeting 2008 6.-8.11.2008 Finnish Institute of Marine Research University of Helsinki International Glaciological Society – Nordic Branch Meeting 2008 Thursday 10:00 – 12:00 Session: Coffee and opening of the meeting First talks will start 10:20 Olli-Pekka Mattila and Jari Haapala Welcome words Magnús Már Magnússon Report from the IGS Matti Leppäranta (Dep. of Physics), Matti Seppälä (Dep. of Geography) and Veli-Pekka Salonen (Dep. of Geology) Cryospheric and glacial research at the University of Helsinki Short brake 12:10 – 12:50 Session: Remote sensing Chair: Kari Kajuutti Nora Jennifer Schneevoigt , G. Moholdt, C. Nuth and A. Kääb Optical and SAR glacier observation near Ny Ålesund - first results Eero Rinne Ice cap surface elevation change products from EnviSat RA2 and IceSAT GLAS data Lunch 14:00 – 15:00 Session: Remote sensing (continues) Chair: Kari Kajuutti Jon Endre Hausberg Remote sensing based assessment of hazards from ice avalanches in southern Norway Gier Moholdt Generation of ice cap DEMs by combining SAR interferometry with ICESat altimetry Gerit Rotchky Spatio-temporal Variability of Snow Melt on Svalbard Derived From Space borne Radar Data (Qscat) Break 15:20 – 17:00 Session: Sea-ice and sea-level change Chair: Jari Uusikivi Janne Valkonen The effect of climate change on Arctic sea ice - a challenge for Arctic shipping Annu Oikkkonen and J. Haapala Regime shift of Arctic pack ice during 1990s Jari Haapala and I. Heiler Modelling recent changes of sea ice in the Arctic Ocean John Moore and A. Grinsted Snow season and sea level change in Finland by 2100 Aslak Grinsted, J. C. Moore ands. Jevrejeva Reconstructing sea level from paleo and projected temperatures 200 to 2100AD 17:00 - Ice Breaker Including musical perfomance from Paola Livorsi Title: “Frozen Water and Land, Sun and Life” Sounds: ”Rooms of Elements” (Northern textile art exhibition "1:∞ ", Helsinki 2006) Images: T. Vihma and M. Marnela Editing: R. Pirazzini International Glaciological Society – Nordic Branch Meeting 2008 Friday 09:00 – 10:20 Session: Meteorology and hydrology Chair: Carleen Tijm-Reijmer Dieter Scherer Generalized wind field patterns over Nordaustlandet Roberta Pirazzini Surface albedo heterogeneity under overcast conditions Martial Duguay Energy Balance and Hydrological Modelling of Zongo Glacier, Bolivia, Using ERA-40 Reanalysis Data Karsten Müller Relation between GPR, SAR and accumulation rate in dry Antarctic firn Break 10:40 – 12:00 Session: Glacier dynamics I Chair: Alun Hubbard Monica Sund Surge dynamics in various Svalbard glaciers derived from geometric changes Veijo Pohjola Ice velocities and ice surface changes of Vestfonna, Svalbard Miriam Jackson Short-term velocity variations on Engabreen Ruth Mottram Cracking up under the strain: Models of crevasse formation Lunch 13:20 – 15:00 Session: Glacier dynamics II Chair: Miriam Jackson Thorben Dunse The Dynamics of Austfonna, Svalbard - a Modelling Approach Alun Hubbard Greenland Ice Sheet OR Paleo-modelling of the FIS &/ British Ice sheets Thomas Zwinger Simulation of the Shiraze Glacier, East Antarctic Ice Sheet - first steps Rianne Giesen An ice dynamical model for Hardangerjøkulen, an ice cap in southern Norway Monica Sund Velocity and calving of Kronebreen, Svalbard Break 15:20 – 16:20 Session: Chemical and physical properties of snow and ice Chair: John Moore Helgard Anschuetz First results from dielectric profiling of four shallow firn cores. Tönu Martma Oxygen isotopes in Svalbard ice cores and snow pits Liss Marie Andreassen Modelling long term summer and winter balances of Storbreen, Norway challenges and results 17:00 – 19:00 Excursion International Glaciological Society – Nordic Branch Meeting 2008 Saturday 09:00 – 10:40 Session: Glacials Chair: Veijo Pohjola Nuria Marcos, Saanio&Riekkola Ltd. Glacial periods - a threaten for geological disposal of spent fuel? Anne Lehtinen, Posiva Future ice ages in Scandinavia and the challenges related to final disposal of nuclear waste Veli-Pekka Salonen Weichselian glacial sedimentology and stratigraphy in Murchisonfjorden area, Nordaustlandet, Svalbard Jaakko Mäkinen, H. Koivula, M. Bilker-Koivula, J. Ahola and M. Poutanen Gravity change and crustal motion in Dronning Maud Land 1994-2007 : implications for glacial history and contemporary mass balance Kirchner Evolution of continental ice sheets during glacial cycles: do numerical simulations provide evidence of Tibetan Plateau Ice during the last 125.000 years Brake 11:00 – 12:20 Session: Snow and supraglacial lakes Chair: Olli-Pekka Mattila Matti Leppäranta ja O.-P. Mattila Observations and modelling of the life history of supraglacial lakes Sanja Forsström Soot in Svalbard snow Emilie Beaudon Frost flower chemical signature in winter snow on Vestfonna ice cap Olli-Kalle Kauppinen Snow manipulations in a boreal forest during winter 2008 ------------------------------------------------------------------------------------------------------Posiva Oy is an expert organisation responsible for the final disposal of spent nuclear fuel of the owners, research into final disposal and for other expert nuclear waste management tasks. Pöyry is a global consulting and engineering firm focusing on the energy, forest industry and infrastructure & environment sectors. Saanio & Riekkola Oy Consulting Engineers (S&R) is a private Finnish consulting company specializing in underground engineering, tunnelling technology and designing of nuclear repositories. The Finnish Union of Environmental Professionals (FUEP) represents the interesets of its members in proffessional, financial, educational and social matters.