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Programme des sessions thématiques

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Mercredi, 10 décembre -- 10:30 - 12:00 AM

T01A. Impacts of Climate Change on Arctic Trophic Interactions and Ecosystem Services?

10:30 Lecomte, Nicolas Metamorphosis of the Arctic Terrestrial Food Webs: between Collapse of Native Species and Explosion of Exotic Predators?
10:45 Gauthier, Gilles Impact of climate change on arctic terrestrial food webs: examples from the Bylot Island long term study
11:00 Doiron, Madeleine Plant-herbivore interactions and climate change: The Case of the Greater Snow Goose
11:15 Hofgaard, Annika Land use and climate driven alteration of trophic interactions in tundra systems: an alpine example from 62N
11:30 Therrien, Jean-François Reproductive success and long-distance movements of Snowy Owls: is this top arctic predator vulnerable to climate change?
11:45 Smith, Paul Seabirds Indicate Change in the Arctic Marine Environment

T04A. Community-Based Research Initiatives as an Interface for Inuit and Scientific Knowledge Exchange

10:30 Simon, Mary & Smith, Duane Opening remarks by co-chairs
10:45 Mate, David More Talk, More Action : Cooperative Approaches for Addressing Climate Change Adaptation at the Community Level in Nunavut
11:00 Huntington, Henry Siku-Inuit-Hila: Connecting Communities and Scientists through Community Exchanges, Experts Groups, and Measurements
11:15 Furgal, Chris Methods and Approaches to Linking Inuit Knowledge and Science for the Understanding of Climate Change in Arctic Regions
11:30 Aatami, Pita The inuit of Nunavik (Northern Quebec): successes and challenges
11:45    

T06A. IPY 2007-2008 Research: Cryosphere / Hydrosphere / Atmosphere

10:30 Bernier, Monique RADARSAT based river ice mapping in the Nunavik context
10:45 Chung, Yi-Ching Evaluation of a Coupled Sea Ice System Including Blowing Snow Processes Over Arctic Sea-Ice
11:00 Gyakum, John Trends in Canadian Surface Temperature Anomaly Intensity
11:15 Shiklomanov, Nikolay Circumpolar Active Layer Monitoring (CALM) Program: Accomplishments and Future Directions
11:30 Peterson, Ingrid Variability of oceanographic and ice properties in the eastern Canadian Arctic Archipelago
11:45 Myers, Paul West Greenland Current Variability

T12. The Law and Politics of Canadian Jurisdiction on the Arctic Ocean Seabed

10:30 Byers, Michael  
10:45 Schofield, Clive Boundaries, Biodiversity, Resources and Increasing Maritime Activities: Emerging Governance Challenges for Canada in the Arctic Ocean
11:00 Baker, Betsy Science-driven cooperation and policy: Addressing Canadian/US diplomatic concerns in the Arctic
11:15 Kennair, John An Inconsistent Truth: The Arctic in Canadian foreign policy
11:30 Macnab, Ronald Use it or lose it: Action agenda or election slogan?
11:45   Questions and discussions

T16A. River-Ocean Interactions and Fluvial-Marine Mass Transfer in the North: Past, Present, and Future

10:30 Peckham, Scott Sediment Transport in a Changing Arctic: River Plumes, Longshore Transport and Coastal Erosion
11:00 Hall, Roland Climate-driven shifts in quantity and seasonality of river discharge from the headwaters of the Mackenzie River Basin over the past millennium: Implications for river-ocean interactions and natural resource management in the North
11:15 Solomon, Steven Interactions between water, ice and sediment during spring breakup at the mouth of the Mackenzie River, Northwest Territories
11:30 Lafreniere, Melissa Impact of climate variability and permafrost landscape disturbances on runoff generation and solute loads at Cape Bounty, Melville Island, 2006-2008
11:45 Hughes Clarke, John Mapping and monitoring sedimentary processes and fluxes across fjord deltas - Baffin Island

T20. Land Surface Processes and their Climate Interactions in High-Latitude Regions

10:30 Samuelsson, Patrick Experiences from RCM simulations over high latitude regions coupled to lake, snow and forest processes
10:45 Savary, Stéphane Comparison of snowpack evolution on the Necopastic River basin (Northern Quebec) using HYDROTEL and CROCUS
11:00 Minwei, Qian Difficulties of Climate Simulation over the Arctic Using a Regional Climate Model
11:15 McLennan, Donald Developing Terrestrial Ecological Inventory Methods that Link Land Surface Processes to Tundra Ecosystems in Torngat Mountain National Park Reserve
11:30 Martynov, Andrey Lakes in the Canadian Regional Climate Model
11:45 Bhatti, Jagtar Modeling the potential hydrothermal response impact of climate change on permafrost of within the South Mackenzie Plain, Northwest Territories, Canada

T23A. Education, Communication and Outreach: Linking Research to Public Policy and Environmental Awareness

10:30 Barber, Lucette & Carlson, David Opening remarks by co-chairs
10:45 Gislason, Robin The 2008 Schools on Board Circumpolar Inuit field program
11:00 Macdonald, Robie From field work to publication: ensnaring a future scientist
11:15 Illasiak, Velma Dietary Choices in Aklavik, Northwest Territories, Youth and Elders Promoting Change
11:30 Klinkhammer, Ruth Popularizing Arctic science: a media relations program to promote northern research
11:45 Pulsifer, Peter L. Representing Inuit Sea Ice Knowledge and Use for Education and Outreach: Creating an IPY legacy using emerging data management strategies

Mercredi, 10 décembre -- 13:30 - 15:00 PM

T01B. Impacts of Climate Change on Arctic Trophic Interactions and Ecosystem Services?

13:30 Bolduc, Elise Terrestrial arthropod abundance and phenology in the Canadian Arctic; modeling the variation in resources available to arctic-nesting insectivores
13:45 Dick, Terry Using stable isotopes of carbon and nitrogen to predict trophic structure in deep-sea Arctic fish communities
14:00 Karnovsky, Nina Warming in the Greenland Sea: Implications for Energy Transfer to Higher Trophic Levels
14:15 Divoky, George Annual and seasonal variation in nearshore fish availability associated with the record Arctic pack ice minimum of 2007
14:30 Wiklund, Christer G. Global warming affects the timing of the breeding season in a top predator, the merlin Falco columbarius, on the mountain tundra in N Sweden
14:45 Hendrichsen, Ditte Sex-specific climatic effects on the spatial distribution of a northern ungulate

T04B. Community-Based Research Initiatives as an Interface for Inuit and Scientific Knowledge Exchange

13:30 Nasogaluak, Shelia Integrating Science and Traditional Knowledge in the Inuvialuit Settlement Region: Perspectives from a Beluga Community Based Monitoring Program
14:00 Sheldon, Tom Building a Base Camp: Building an IPY legacy in Nunatsiavut (Northern Labrador): Inuit Students and scientists and a new way of knowing
14:15 Friesen, Max Community-Based Inuit Heritage Research: Lessons from a Nine-Year Partnership between an Inuit Community Group and a Southern University
14:30 Laidler, Gita Connecting Community Observations and Expertise with the Floe Edge Service
14:45 Gearheard, Shari Inuit Led Research in Nunavut: Lessons from the Ittaq Heritage and Research Centre, Clyde River, Nunavut

T06B. IPY 2007-2008 Research: Cryosphere / Hydrosphere / Atmosphere

13:30 Maslowski, Wieslaw Oceanic forcing of recent warming in the western Arctic
13:45 Langlois, Alexandre Latitudinal variations of snow properties using passive microwave brightness temperature and in-situ measurements over Eastern Canada
14:00 Shiklomanov, Nickolay A snapshot of permafrost temperatures during the International Polar Year
14:15 Smith, Sharon Thermal State of Permafrost in Canada: a snapshot of current conditions and recent trends
14:30 Zheng, Jiancheng Variations in atmospheric Cd deposition in the Arctic since AD 1840, and preliminary assessment of predominant sources
14:45 Turner, Kevin Characterizing the Diversity of Lake Water Balances in the Old Crow Flats, YT, Using Water Isotope Tracers

T14. Quantifying the Carbon Balance of Arctic Ecosystems at Various Scales

13:30 Atkinson, Dave Estimating CO2 flux measurements from the integration of high spatial resolution remotely sensed data and biophysical variables
13:45 Hayne, Shari Carbon dioxide and methane fluxes from tundra environments at Daring Lake, NWT: examination of carbon cycling mechanisms and spatial and temporal flux variation
14:00 Startsev, Natalia Spatial and temporal changes in net ecosystem exchange and soil respiration rate in in four northern ecoregions
14:15 Lansard, Bruno Water mass distribution on the Mackenzie Shelf and the Amundsen Gulf as determined by total alkalinity and δ18O data
14:30 Shadwick, Elizabeth Dissolved Inorganic Carbon in the Canadian Archipelago of the Arctic Ocean: The Export of Pacific Carbon to the North Atlantic Via Baffin Bay
14:45 Kos, Gregor (Semi)volatile Organic Compounds at Alert, Nunavut - Snow Pack and Boundary Layer Composition

T16B. River-Ocean Interactions and Fluvial-Marine Mass Transfer in the North: Past, Present, and Future

13:30 Déry, Stephen Recent trends and variability of river discharge in northern Canada
13:45 Gratton, Yves Structure and dynamics of the Amundsen Gulf Eddies
14:00 Kuzyk, Zou Zou Sources, pathways and sinks of particulate organic matter in Hudson Bay: evidence from lignin distributions
14:15 Kirk, Jane Inputs of Mercury to Hudson Bay from Nelson and Churchill River Discharge 2003-2006
14:30 Lorrain, Stéphane Water turbidity and suspended sediment characteristics in the Nelson river estuary, Hudson Bay, Manitoba, Canada
14:45 Leclair, Suzanne Seabed sediment characteristics, processes, and landforms in the Nelson river estuary, Hudson Bay, Manitoba, Canada

T17. Observing Pan-Arctic Environmental Change

13:30 Murray, Maribeth The International Study of Arctic Change: Towards improving pan-arctic observations and understanding of change
13:45 Svoboda, Michael The Circumpolar Biodiversity Monitoring Program: Towards Integrated Arctic Biodiversity Monitoring
14:00 Olthof, Ian Approaches to monitoring northern vegetation change with satellite remote sensing
14:15 Dahle, Salve Climate and anthropogenic studies on food webs of the Arctic marginal seas
14:30 Adamowicz, Sarah The biota of Churchill: barcoding as a tool for biodiversity assessment and monitoring
14:45 Haas, Christian Pan-Arctic sea ice mass balance observations - status and challenges

T23B. Education, Communication and Outreach: Linking Research to Public Policy and Environmental Awareness

13:30 Green, Geoff Passing the Torch - Engaging Youth in Global Issues through experiential learning
13:45 Walker, Kaley CANDAC Outreach in the High Arctic: A Chilly Endeavour for IPY
14:00 Ostiguy, Diane Nunavik wildlife and you, wildlife education program
14:15 Roburn, Shirley The Being Caribou Project : Local stories, international policy, and grassroots civil society -- a case study
14:30 West, Peter A Successful Experiment in Collaboration: U.S. Science Agencies Forge Major Joint International Polar Year (IPY) Outreach Efforts
14:45   Closing remarks co-chairs

Jeudi, 11 décembre -- 10:30 - 12:00 AM

T03A. Climate Change and Arctic Contaminants

10:30 Wang, Feiyue Mercury cycling in the Arctic Ocean: The role of the sea ice environment
11:00 Berg, Torunn Norwegian measurements of atmospheric mercury depletion events at Antarctica, Svalbard and the mainland of Norway
11:15 Kallenborn, Roland Atmospheric monitoring of persistent organic pollutants at the zeppelin mountain research station (Ny-Aalesun, Svalbard: Indications for climate change influences?
11:30 Cole, Amanda Effects of climate change on atmospheric mercury depletion in the Canadian Arctic
11:45 Zheng, Jiancheng Climate and decreasing levels of sulphate aerosols in the high Arctic: an update of continues studies

T07. IPY 2007-2008 Research: Health and Well-Being of Northerners

10:30 Mäkinen, Tiina Climate change and human health-how does cold exposure trouble us?
10:45 Counil, Émilie Consumption of Sugar-Sweetened Beverages and Components of the Metabolic Syndrome in Inuit adults of Northern Québec (Nunavik)
11:00 Noël, Martin Are Inuit Protected Against Deleterious Effect of Traditional Cardiovascular Risk Factors for Atherosclerosis?
11:15 Li, Y. Anita The Prevalence of Human Papillomavirus and Its Impact on Cervical Dysplasia in Northern Canada
11:30 Simard, Manon Engaging northern communities in the monitoring of country food safety
11:45   Questions and discussions

T10A. Community Adaptation and Vulnerability in Arctic Regions

10:30 Hovelsrud, Grete Community Adaptation and Vulnerability in northern Norway: Some preliminary CAVIAR findings
10:45 Berkes, Fikret Co-Management Institutions and the Use of Knowledge: Adapting to Change in the Arctic
11:00 Armitage, Derek From Adaptation to Learning and the Potential of Adaptive Co-Management to Reduce Vulnerability in Arctic Communities
11:15 Duerden, Frank Dawson City. A Community on the Edge?
11:30 Matthews, Ralph Climate Change and Institutional Capacity in an Arctic Gateway Community: A CAVIAR case study of the City of Whitehorse
11:45 Bradshaw, Ben Assessing Community Vulnerabilities in light of Climate Change: To what end?

T18A. Marine Productivity and Biogeochemical Fluxes in the Changing Arctic

10:30 Arrigo, Kevin Changes in Arctic Ocean Primary Production from 1998-2008
11:00 Belanger, Simon Satellite-based assessment of the light-driven components of the modern Arctic Ocean biogeochemical carbon cycle
11:15 Tremblay, Jean-Éric Nutrient dynamics in the southeast Beaufort Sea during the CFL, CASES and ArcticNet campaigns: implications for primary productivity
11:30 Rivkin, Richard Microbial dynamics and response to a changing polar ocean climate
11:45 Maranger, Roxane Nitrous Oxide concentrations in the Amundsen Gulf of the Arctic Ocean

T19. Sea-Ice-Atmosphere Interactions and Climate in a Changing Arctic

10:30 Scarratt, Michael Distributions of the natural greenhouse gas N2O in Canadian arctic waters
10:45 Luce, Myriam Microbial production of dimethylsulfide in the Arctic
11:00 Norman, Ann-Lise Relationships between sulphur dioxide, sulphate aerosols and dimethylsulphide in the Arctic atmosphere
11:15 Miller, Lisa A winter carbon flux time series in land-fast sea ice
11:30 Steiner, Nadja Modelling biogeochemical cycling and interfacial exchange of climatically important gases
11:45 Willmott, Andrew The effect of tides on dense water formation in arctic shelf seas

T26A. Role of Arctic Marine Mammals in Northern Ecosystems and Cultures

10:30 Ferguson, Steven Loss of chaos in the Arctic: what it means to ice-adapted marine mammals
10:45 Marcoux, Marianne Characteristics of narwhal vocalizations for acoustic mornitoring
11:00 Chmelnitsky, Elly Photo-identification of eastern Arctic killer whales, Orcinus orca
11:15 Strandberg, Ursula Functional layering of marine mammal blubber influences the stratification of lipophilic compounds in the blubber
11:30 Dunn, J. Lawrence Brucella c-elisa serosurveys in Arctic marine mammal populations
11:45 Simard, Yvan The opening of Arctic shipping routes: underwater noise pollution consequences on marine mammal habitats as measured on a nearby southern seaway, the St. Lawrence

T34. Seafloor Mapping of the Arctic Ocean, Continental Shelves and Margins

10:30 Ryan, William A Web Mapping Service for Multi-Resolution Bathymetry of the Arctic Ocean
10:45 Brown, Tanya Benthic habitat maps for Nachvak and Saglek fiords: A contribution to Nunatsiavut Nuluak, northern Labrador, Canada
11:00 Beaudoin, Jonathan Mapping Canada’s Arctic Seabed: Data Processing, Management and Distribution Strategies
11:15 Lajeunesse, Patrick Rapid early Holocene deglaciation of Hudson Bay
11:30 Ferguson, James Using Autonomous Underwater Vehicles in Under-ice Scientific Missions
11:45 Mosher, David Seafloor mapping of the central Labrador margin: near surface geology and geohazards

Jeudi, 11 décembre -- 13:30 - 15:00 PM

T03B. Climate Change and Arctic Contaminants

13:30 Borga, Katrine Predicting climate change-induced alteration in food web accumulation of contaminants
13:45 Chételat, John Shifts in Zooplankton Composition Driven by Climate Change Could Alter Methylmercury Transfer to Fish in High Arctic Lakes
14:00 Ross, Peter A changing climate may increase the risk of contaminant-related health risks in Beaufort Sea beluga whales
14:15 Dietz, Rune Contaminant linkages to climate parameters in polar bears (Ursus maritimus) from Greenland and Svalbard
14:30 McKinney, Melissa Does sea ice-associated variation in diet influence the temporal trends of organohalogen concentrations in Western Hudson Bay polar bears?
14:45 Knott, Katrina Annual and individual variations in feeding ecology of Southern Beaufort Sea polar bears by stable isotope analysis: Interactions with blood PCBs and Hg

T10B. Community Adaptation and Vulnerability in Arctic Regions

13:30 Huntington, Henry Demographics and Environmental Conditions are Uncoupled in the Pribilof Islands Social Ecological System
13:45 Ford, James Opportunities for policy to support Inuit adaptation to climate change
14:00 Boudreau, Stéphane Le développement de pratiques de restauration appliquées au milieu nordique : l'exemple de Whapmagoostui-Kuujuarapik au Québec subarctique
14:15 Fleming, Laura Changing Governance and the Governance of Change
14:30 Malone, Leslie Polar Climate Outlook Forum: A mechanism for improved adaptation strategies and outcomes
14:45 Numminen, Lotta Climate change in the Arctic: perspectives to adaptation

T15. Freshwater Ecosystems, Aquatic Biodiversity and Sensitivity to Climate Change

13:30 Wrona, Fred Hydro-ecological Responses of Arctic Tundra Lakes to Climate Change and Landscape Perturbation: Highlights and Preliminary Results
13:45 Balasubramaniam, Ann Developing a framework of baseline data in a complex thermokarst lake system using relationships between hydrological processes and limnological conditions
14:00 Retamal, Leira Aquatic processes controlling greenhouse gas exchanges in thaw ponds: the role of microbial production at Bylot Island, Nunavut
14:15 Wiklund, Johan Limnological approaches to track climate- and human-induced hydrological changes in northern floodplain landscapes: Experiments from the Peace-Athabasca Delta
14:30 Swanson, Heidi Transients in the north: interactions of migratory fish, climate change, and contaminant accumulation in coastal Arctic lakes
14:45 Reist, Jim An Overview and Integration of IPY Research on Chars

T18B. Marine Productivity and Biogeochemical Fluxes in the Changing Arctic

13:30 Juul-Pedersen, Thomas Marine monitoring and research studies in Greenland
13:45 Reigstad, Marit Vertical export or retention? The fate of organic carbon in open and ice-covered regions of the Barents Sea
14:00 Tamelander, Tobias Vertical export of organic matter from sea ice in the Barents Sea and Nansen Basin (Arctic Ocean)
14:15 Lalande, Catherine Variations in annual cycles of vertical particulate organic carbon export on Arctic shelves: A comparison between the Laptev Sea, Northern Baffin Bay and the Beaufort Sea
14:30 Sampei, Makoto Significant contribution of passively sinking copepods to downward export flux in Canadian Arctic waters.
14:45 Ringuette, Marc Phytoplankton biomass, sea surface temperature and cannibalism/predation and their antagonist effects on the North Water Polynya copepods population dynamics

T26B. Role of Arctic Marine Mammals in Northern Ecosystems and Cultures

13:30 Petersen, Stephen Population genetics of Canadian ringed seals: probing deeper into nature’s approximation of panmixia
13:45 Obbard, Martyn Current Status of the Southern Hudson Bay Polar Bear Population
14:00 Loseto, Lisa Beluga contaminant levels: An ecosystem approach to a species specific question
14:15 Higdon, Jeff Exploitation and recovery of bowhead whales in northwest Hudson Bay: implications for ecosystem dynamics
14:30 Bortoluzzi, Tara Global Warming and Arctic Marine Mammals (GWAMM): The development of a Community-Based Monitoring (CBM) network within the Hudson Bay region of Canada
14:45 Barrett-Lennard, Lance Fostering stewardship of marine mammals in coastal communities: Insights from the B.C. Cetacean Sightings Network

T29. Impacts of Severe Arctic Storms and Climate Change on Arctic Coastal Oceanographic Processes

13:30 Cooke, Melanie The synoptic and planetary scale environment associated with significant wind events along the Beaufort Sea coast
13:45 Zhang, Shunli A Numerical Study of Hurricane Noel (2007). Model Verification and Extratropical Transition
14:00 Zhang, Lujun Impacts of Air-Sea Fluxes on the Evolution of an Arctic ’Bomb’
14:15 Hay, Carling Flying into the Eye of a Polar Low
14:30 Hoque, Md. Azharul Modeling Arctic storm waves by SWAN in the southern Beaufort Sea
14:45 Small, David Meteorological conditions associated with significant storm surge activity along the Beaufort Sea coast

T32. Arctic Climate Feedbacks: Atmospheric Composition and Long Range Transport of Chemical Constituents

13:30 Blanchet, Jean-Pierre On the Role of Anthropogenic Aerosols in Thin Ice Clouds Formation during Winter: Implications for Arctic Climate and Decision Makers
13:45 Gong, Sunling Identification of Natural and Human Induced Trends and Variability of 30 Year Canadian Arctic Aerosols
14:00 Grenier, Patrick Investigation of the dehydration-greenhouse feedback trigger using satellite measurements
14:15 Girard, Éric Modelling of the effects of acidic aerosols on arctic cloud microstructure and surface radiative budget during winter
14:30 Munoz-Alpizar, Rodrigo Vertical transport and mixing of aerosols and moisture in Polar Regions by Cold lows systems
14:45 Walker, Thomas Integrated analysis of the impact of long-range transport of midlatitude pollution on ozone abundances in the Arctic troposphere

T35. Measurements and Numerical Modelling of Precipitations in Cold Climates

13:30 Rasmussen, Roy Snowfall Measurements at Exposed, High Wind Sites
13:45 Cherry, Jessica Performance of the Experimental Total Precipitation Sensor in Barrow, Alaska
14:00 Gultepe, Ismail Light precipitation at cold temperatures during april of 2008 in barrow alaska
14:15 Morrison, Hugh Observations and modeling of snow microphysics in Arctic mixed-phase clouds
14:30 Milbrandt, Jason Forecasting the Solid-to-Liquid Ratio of Snow Precipitation in High-Resolution NWP Models
14:45 Chosson, Frederick Simulation of precipitations over the Arctic basin: a sensitivity study with polar-gem modelling system

Vendredi, 12 décembre -- 10:30 - 12:00 AM

T02. Climate Change, Natural Hazards, Health and Well-being in the Arctic

10:30 Ford, James Climate change, natural hazards, and vulnerability in small Inuit communities: A comparison between Igloolik, Nunavut, and Qeqertarsuaq, Greenland
10:45 Breton-Honeyman, Kaitlin Climate change, search and rescue and human vulnerability in the Canadian Arctic
11:00 Boucher, Étienne Impacts of Recurring Ice-Jams on Channel Geometry and Geomorphology in a Small High-Boreal Watershed
11:15 Edge, Victoria Risk Perception and Mitigation Related to ’Safe’ Food and Water: Impacts on Human Health
11:30 Huntington, Henry Risk and Reward: Hazards of Hunting the Bowhead Whale
11:45   Closing remarks co-chairs

T11A. The Role of Sea Ice in Arctic Marine Ecosystem Processes

10:30 Falk-Petersen, Stig The Calanus complex in a pan-Arctic perspective
10:45 Benoit, Delphine Seasonal and daily scale behaviour of Arctic cod winter aggregations under the sea-ice cover at a fixed station in Franklin Bay (Beaufort Sea)
11:00 Berge, Jørgen Ups and downs all year round: DVM patterns in Arctic zooplankton
11:15 Collins, Kate Zooplankton communities in Barrow Strait as estimated from moored Acoustic Doppler Current Profiler (ADCP) data
11:30 Kramer, Maike The role of sympagic meiofauna for the flow of organic matter in Arctic sea-ice food webs
11:45 Aitken, Alec Distribution Patterns of Canadian Beaufort Shelf Macrobenthos

T21A. Climate Change and Quaternary Evolution of the Arctic

10:30 Rochon, André Marine paleoenvironments in the Canadian Arctic: what have we learned in recent years?
10:45 Lisé-Pronovost, Agathe Postglacial Sedimentation and Environmental Magnetism in the Arctic Alaskan Margin
11:00 Ledu, David Holocene Climate Changes in the Main Axis of the Northwest Passage inferred from dinocyst Assemblages: a Possible Influence of the Arctic Oscillation at the Millennial time scale
11:15 Scott, David Isotopic and sedimentological evidence for sea ice conditions and paleoceanography of the 15,000 years on the Beaufort sea slope and Amundsen Gulf, Canada
11:30 St-Onge, Guillaume Evidence of Lake Agassiz final outburst flood from Hudson Bay to offshore Labrador
11:45 Bonnet, Sophie Variability of Sea-Surface Temperature and Sea-Ice Cover in the Fram Strait over the last Two Millennia

T22A. CANDAC, PEARL, and Atmospheric Measurements in the Canadian High Arctic

10:30 Drummond, James The Polar Environment Atmospheric Research Laboratory (PEARL) at Eureka, Nunavut CANADA
11:00 Bacak, Asan Long range atmospheric transport of Aerosols: First Arctic measurements using Aerosol Mass Spectrometer
11:15 Duck, Thomas CANDAC Arctic Radiative Environment Theme
11:30 Ayash, Tarek Arctic-Winter Climatology and Radiative Effects of Clouds and Aerosols Based on Lidar and Radar Measurements at PEARL
11:45 Strong, Kimberly Measuring Atmospheric Composition at PEARL: An Overview of the First Two Years

T24A. Hudson Bay: New Findings and Directions for Future Study

10:30 Macdonald, Robie Hudson Bay: New Findings and Future Directions
10:45 Azetsu-Scott, Kumiko Freshwater and carbon dynamics in Hudson Bay: Results from MERICA 2003-2006
11:00 Granskog, Mats Recent observations on the distribution and dynamics of freshwater in the Hudson Bay system
11:15 Briand, Marie-Hélène Exploring the Physical Environment of a Subarctic Estuary, the Nelson River Estuary, Hudson Bay, Canada
11:30 Mundy, C.J. Riverine export and the effects of circulation on dissolved organic carbon in the Hudson Bay system, Canada
11:45 Sibert, Virginie Understanding the spatial and temporal variability of primary production over the Hudson Bay, Foxe Basin and Hudson Strait marine system via coupled bio-physical models

T25. Changes in Tundra Ecosystems: Impacts and Implications

10:30 Fréchette, Bianca Sunshine: an important bioclimatic control on Holocene and Last Interglacial vegetational development in eastern Baffin Island, Arctic Canada
10:45 Henry, Greg Trends in tundra vegetation over the past 20 years: analysis of long-term data sets from the International Tundra Experiment (ITEX)
11:00 Grogan, Paul Birch shrubs in the Canadian low arctic may respond relatively quickly to climate warming
11:15 Myers-Smith, Isla How do natural and artificial tall shrub canopies alter tundra soil temperatures?
11:30 Buckeridge, Kate Snow depth controls the spring nutrient flush in arctic tundra
11:45 Lévesque, Esther Towards an Understanding of the Implications of Shrub cover Change in Nunavik

T27. Environmental change in Arctic coastal regions: biophysical processes and community adaptation

10:30 Forbes, Don Arctic coastal research: recent developments in Canada and the circumpolar world
10:45 Lantuit, Hugues Comparing the last fifty years of erosion in the Canadian and Russian Arctic
11:00 Manson, Gavin Climate-change impacts on an emergent Arctic shoreline, Hall Beach, NU
11:15 Irvine, Melanie Linking Landscape Conditions and Community Planning in Arctic Communities
11:30 Hovelsrud, Grete K. Exploring the implications of climate variability and change for coastal fisheries in Northern Norway: the case of Lebesby municipality
11:45 Parewick, Kathleen Climate Change and the Built Community: Practical Lessons for Adaptation Governance

Vendredi, 12 décembre -- 13:30 - 15:00 PM

T08. The Northern Biodiversity Paradox: Global Crisis yet Local Enrichment

13:30 Berteaux, Dominique The Northern biodiversity paradox: global crisis yet local enrichment
13:45 Vincent, Warwick Extreme warming, habitat loss and abrupt ecosystem change at Canada’s northern edge
14:00 McKinnon, Laura Latitudinal trends in predation pressure: investigating the vulnerability of shorebirds to climate induced shifts in predator composition
14:15 Fernandez-Triana, Jose Combining barcoding and traditional taxonomy to study the diversity of Microgastrinae wasps (Hymenoptera: Braconidae) in Arctic North America
14:30 Danby, Ryan Up, Up and Away? Biodiversity and Climate Change in the Alpine Ecosystems of Southwest Yukon
14:45 Kutz, Susan Parasite Biodiversity, Climate Change, and Arctic Ecosystems: Why Should We Care?

T09. Climate Change Studies in the Arctic: Perspectives from Young Scientists

13:30    
13:45 Goldhar, Christina Food security in Western Greenland: A case study from Qeqertarsuaq
14:00 Pearce, Tristan Adaptation to Climate Change in the Arctic: knowledge transmission and information exchange among Inuit in an arctic community
14:15 Wesche, Sonia Impacts of Climate Change on Inuit Diet in the Western Arctic: Links Between Climate Change, Food Security and Nutritional Health
14:30 Moshøj, Charlotte The effect of climate, environment and man on variations in wildlife population fluctuations in Greenland over 200 years
14:45 Donaldson, Shawn Community-based health research in the Arctic: A case study from Nunavut, Canada

T11B. The Role of Sea Ice in Arctic Marine Ecosystem Processes

13:30 Deming, Jody Winter frost flowers on sea ice: vectors for upward transport of microbes and viruses?
13:45 Leu, Eva Seasonal changes in pelagic and sympagic algal food quality
14:00 Link, Heike Relationship between sea ice-cover and benthic carbon turnover in the Amundsen Gulf
14:15 Margaux, Noyon Lipid classes metabolism of the arctic amphipod Themisto libellula: growth and environmental influences
14:30 Narcy, Fanny Seasonal and individual variability of lipid reserves in Oithona similis (Cyclopoida) in an Arctic fjord
14:45 Søreide, Janne Elin Importance of ice algae for Calanus glacialis in the high-Arctic

T21B. Climate Change and Quaternary Evolution of the Arctic

13:30 Ross, Martin New constraints on the deglaciation of Foxe Channel and Southampton Island, Nunavut
13:45 Finkelstein, Sarah Spatial patterns of Holocene paleoclimatic change in the Canadian Arctic Islands
14:00 Rolland, Nicolas Chironomids as indicators of postglacial paleoclimates of the Foxe Peninsula, Nunavut, Canada
14:15 Pienitz, Reinhard The Crystal Eye of Nunavik: (Pingualuit): New insights from one of the deepest crater lakes and one of the oldest sediment records of the Northern Hemisphere
14:30 Salonen, Veli-Pekka Weichselian glacial sedimentology and stratigraphy in Murchisonfjorden area, Nordaustlandet, Svalbard
14:45 Fritz, Michael Ground ice studies on Herschel Island in the western Canadian Arctic: a useful paleoenvironmental proxy tool

T22B. CANDAC, PEARL, and Atmospheric Measurements in the Canadian High Arctic

13:30 Harvey, Lynn The Arctic polar stratosphere and mesosphere during IPY
14:00 Walker, Kaley Canadian Arctic Validation Campaigns for the Atmospheric Chemistry Experiment (ACE) satellite mission: 2004-2008 and beyond
14:15 Moss, Andrea Polar Sunrise 2008 Comparison of Lidar Water Vapor Measurements From the IASOA PEARL Observatory in Eureka, Canada and the ACE Satellite
14:30 Ward, William Instrumentation, Observations and Science associate with the Waves and Coupling Processes Theme at the Polar Environment Atmospheric Research Laboratory (PEARL)
14:45 Shepherd, Marianna Wave perturbations in optical airglow observations at high Northern latitudes

T24B. Hudson Bay: New Findings and Directions for Future Study

13:30 Else, Brent Estimation of Air-Sea CO2 Flux in Hudson Bay During the Ice-Free Season Using Field and Satellite Remote Sensing Data
13:45 Lapoussière, Amandine Phytoplankton biomass, primary production and export in the Hudson Bay system
14:00 Chambellant, Magaly Abundance and distribution of ringed seals in western Hudson Bay 1995-2008
14:15 Wilson, Paul Population genetic structure in polar bears(Ursus maritimus) from Hudson Bay, Canada: Implications of future climate change
14:30 Ferland, Joannie Spatial Variability of Summer Primary Production in the Hudson Bay Complex
14:45 Hoover, Carie Preliminary Results of the Hudson Bay Ecosystem Model

T33. Linking Communities and Scientists in Monitoring Long-Term Environmental Change

13:30 Berkes, Fikret Community-based Monitoring: Expanding the Range of the Kinds of Changes to Be Assessed
13:45 Huntington, Henry Exchange for Local Observations and Knowledge in the Arctic: Data Management Support for Community-Based Arctic Observing Network
14:00 Rouillard, Remy One Island, different Views: The Nenets Reindeer Herders of the Kolguev Island (Nenets Autonomous Okrug, Russia), and Oil Workers and Scientists
14:15 Lee, David Linking communities and scientists: Identifying Challenges and Common Goals of Wildlife Related Research in Nunavut
14:30 Brook, Ryan Linking Scientists and Communities in Wildlife Health Monitoring and Education: An overview and assessment of the Sahtu Wildlife Health Outreach and Monitoring
14:45 Curry, Pat Putting Our Heads and Skills Together: Hunters and Scientists and Caribou Health Monitoring

 

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