246 Works

Variability and change in the Canadian cryosphere (snow and ice) - A Canadian contribution to \"State and Fate of the Cryosphere\"

Anne Walker, Barrie Bonsal, David Clausi, Ed Chan, Monique Bernier, Paul Bartlett, Ross Brown, Tom Agnew & Tom Carrieres
New satellite-derived observations of the cryosphere are being developed by Canadian scientists to contribute a snapshot of the current state of the cryosphere in northern Canada and to generate new information, data sets and monitoring capabilities for tundra and alpine snow cover, seasonal frozen ground, lake ice, albedo, land cover and phenology, snow melt characteristics over ice caps, sea ice fluxes through the Arctic islands, and river ice monitoring in northern Québec. Field campaigns are...

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

William Perrie, John R. Gyakum, Steve Solomon & Charles Tang
In terms of verification of model results with field data, we have built and verified detailed coupled models with components for atmosphere, ice, snow, waves and ocean. These models have been used and tested for time-scales that are appropriate for individual Arctic storms, days, weeks, months, years and decadal scales. Baseline runs, and verification of these models use comparisons with internationally accepted Arctic data-sets, and climate reanalysis data. We have developed new collaborations with researchers...

Stable isotopes of carbon and nitrogen from multiple species of invertebrates, teleosts, elasmobranchs, and marine mammals sampled in Cumberland Sound, 2007-2009

Aaron Fisk & Bailey McMeans
Samples of macroaglae (Fucus distichus), several zooplankton species (e.g. Calanus hyperboreus, Sagitta spp.), benthic invertebrates (e.g. scallop Chlamys islandica, snail Buccinum cyaneum, clam Hiatella arctica), teleosts (herring Clupea harengus, capelin Mallotus villosus, char Salvelinus alpines, sculpin Myoxocephalus scorpioides (adults and larvae), turbot Reinhardtius hippoglossoides), two elasmobranchs (arctic skate Amblyraja hyperborea, Greenland shark Somniosus microcephalus), two pinnipeds (harp seal Pagophilus groenlandicus, ringed seal Pusa hispida) and two cetacean (beluga whale Delphinapterus leucas , narwhal Monodon monoceros)...

Interviews with elders of the Lutsel K'e Dene First Nation on Pikes Portage, the trail to the barren lands, 2010

Cindy Dickson, Brenda Parlee & Florence Catholique
Data consists of interviews carried out with elders in the community of Lutsel K'e and a field visit to Teho Æa Tué Xak'ethé took place in 2010 that included elders, adults and youth.

Automated Ribosomal Inergenic Spacer Analysis (ARISA) of fungal Internal Transcribed Spacers region of 18S rRNA genes. Soil samples taken from Long-term Ecological Research (LTER) greenhouse treated and control plots at Toolik Lake, AK; 5 sampling da

Suzanne Simard, Julie R. Deslippe, , , Martin Hartmann & William Mohn
In the summer of 2006 and 2007, we collected soils treated with warming by greenhouses since 1989, which are maintained as part of the Arctic Long-term Ecological Research (LTER) site at Toolik Lake, AK (68o38'N, 149o34'W, elevation 760m). Total nucleic acids were extracted from soil samples allowing for the simultaneous assessment of the total and actively growing components of the soil microbial community. We used Automated Ribosomal Inergenic Spacer Analysis (ARISA) of the Internal Transcribed...

Inupiaq and Gwitch'in Plant Presence in Stories and Legends, 2007-2008

Suzanne Simard & Christopher J Mallon
The data were collected by searching written stories for nouns that correspond to plants or plant products. A quantitative assessment of the number of nouns that refer to plants within a select sample of Inupiaq and Gwitch'in stories was produced.

Concentration (fg/kg) of radioactive isotope Thorium-230 (230Th) in the Beaufort Sea at 3 stations in 2007 and at 4 stations in 2009

University Of British Columbia Roger Francois
The dataset consists of 230Th concentrations (fg/kg seawater) measured in the Beaufort Sea at three stations in 2007 (Sept 22-Oct 15) and four stations in 2009 (Aug 27 - Sep 12). 20L samples were collected and quickly filtered through an Acropak cartridge (0.45 um). The samples were then acidified to pH 2 with concentrated HCl and spiked with pre-weighed quantities of 229Th and FeCl3. Acidified samples were left to equilibrate for 12 to 24 hours...

Ice core data from ice patches in the Mackenzie Mountains, Northwest Territories, 2007-2009

Prince Of Wales Northern Heritage Centre Tom Andrews, Department Of Geography Brian Moorman & Department Of Geography Thomas Muelendyk
Ice patches were cored with a 8 cm hand-operated ice drill. Distinct bands of caribou fecal matter were measured (core depth) and collected using clean instruments. Each band was dated by accelerator mass spectrometry (AMS). The dataset includes core depths and AMS dates for 10 cores extracted from 3 ice patches.

Present and past hydroecology of the Old Crow Flats, YT, 2007-2011

Lance Nagwan & Brent Wolfe
Water samples are being collected from ~50 basins and 13 river locations at three time steps during the thaw season for analysis of water chemistry, stable isotope composition, total suspended sediment concentration, phytoplankton and zooplankton. Sampling began in 2007 and will continue through 2011. In 2007 at six lakes, data loggers were installed to obtain continuous records of lake level changes and periphyton samplers were deployed to characterize benthic algae and provide information about water-quality...

Neodymium (Nd) isotopic ratio in the seawater of the Beaufort Sea at 3 stations sampled in 2009

Roger Francois
The dataset consists of Nd isotopic ratios expressed in the epsilon notation (i.e. [((143Nd/144Nd)sw / (143Nd/144Nd)std) - 1]x10,000) measured in the Beaufort Sea at three stations sampled in 2009 (Aug 27 - Sep 12). 20L samples were collected and quickly filtered through an Acropak cartridge (0.45 um). The samples were then acidified to pH 2 with concentrated HCl and returned to the shore-based laboratory for analysis on a multi-collector Inductively Coupled Plasma mass spectrometer. The...

Salmonella spp. and E.coli 0157:H7 sampling of Arctic hare, Canada goose, snow goose, rock ptarmigan, willow ptarmigan, muskox, walrus, Arctic charr between 2007 and 2008 in Kuujjuaq, Tasiujaq, Inukjuak, Salluit, Kangirsuk, Umiujaq and Ivujivik.

, Canadian Food Inspection Agency Of Canada Burton Blais & Canadian Food Inspection Agency Of Canada Martine Gautier
The data set content includes: Sample ID (identification of sample), species, latitude and longitude of communities (in degree,minutes), community, date of collection, age, sex, tissue type, frozen samples weight (g), singlepath E.coli 0157 screening*, MSRV Salmonella screening, confirmed test**(MFLP-80,MFLP-30***), Freezer description. *Detection of E. coli O157 by the Merck Singlepath® E. coli O157 Kit", MFLP-82 ** Procedure of the Isolation of Salmonella species by the Modified Semi-Solid Rappaport Vassiliadis (MSRV) Method, MFLP-75. ***MFLP-80 =Isolation of...

Interview and focus group data on intergenerational resilience in Aklavik, NWT, 2009

Council Of Yukon First Nations Cindy Dickson, Department Of Resource Economics Andrea Rawluk, Department Of Resource Economics Brenda Parlee, &
The data consists of quantitative and qualitative data. 26 interviews semi-structured interviews using an interview guide to collect quantitative and qualitative data were done with elders (n=9), adults (n=8) and youth (n=9). 2 focus groups were done with youth (n=6) and elders (n=6). There are audio files and transcriptions for all interviews. 7 unstructured interviews were done with elders (n=5) and youth (n=2) to collect qualitative data

Cliff base, Nunaluk Spit 1952-1996, Ivvavik National Park, Yukon, northern Canada

Sheila Hynes, Donald L. Forbes & Dustin Whalen
Field work and airphoto studies were undertaken between 1953-1996 along the Yukon coast of the Beaufort Sea in Ivvavik National Park to determine coastal erosion rates, processes and hazards in relation to archeological and cultural heritage sites, many of which are concentrated along the coast in this region. The work was carried out on behalf of Parks Canada (Canadian Heritage, Western Arctic District, Inuvik) at Niakolik Point, Stokes Point, Catton Point/Ptarmigan Bay, Nunaluk Spit and...

Cliff base, Stokes Point 1952 - 2006, Ivvavik National Park, Yukon, northern Canada

Sheila Hynes, Steve Solomon & Dustin Whalen
GSC Atlantic undertook an examination of coastal change in the immediate vicinity of the former Stokes Point DEW line site in support of clean-up operations and at the request of Parks Canada Agency (PCA) and the Environmental Studies Group (ESG) of the Royal Military College (RMC). Historical analysis of air photos was performed to determine the local rates of coastal change in the vicinity. The analysis involved scanning and georeferencing of air photos (1952, 1970,...

Coastline, Stokes Point 1952 - 2006, Ivvavik National Park, Yukon, northern Canada

Sheila Hynes, Steve Solomon & Dustin Whalen
GSC Atlantic undertook an examination of coastal change in the immediate vicinity of the former Stokes Point DEW line site in support of clean-up operations and at the request of Parks Canada Agency (PCA) and the Environmental Studies Group (ESG) of the Royal Military College (RMC). Historical analysis of air photos was performed to determine the local rates of coastal change in the vicinity. The analysis involved scanning and georeferencing of air photos (1952, 1970,...

Seafloor Relief from Multibeam Bathymetric Sonar, Beaufort Shelf and Slope

Steve Blasco & Edward King
The data set includes images of seafloor topography of the Canadian Beaufort Sea, rendered in both grey-scale and colour-shaded false sun-illumination collected by the Geological Survey of Canada (Atlantic and Pacific) through the support of several organizations. The images are derived from soundings from a hull-mounted multibeam sonar system. Two research vessels were involved in its collection. The Canadian Coast Guard vessel CCGS Amundsen conducted 3 successive research-oriented field surveys, from 2009 to 2011 using...

Canadian Coastal Information System (CIS) - Backshore, Beaufort Sea Coast 1984, 1999 and 2000

Nicole Couture, Paul Fraser & Dustin Whalen
Shore-zone classification data for the Canadian Beaufort Sea coast form part of a GIS database, the Coastal Information System (CIS), developed and maintained by the Geological Survey of Canada (GSC-Atlantic), Natural Resources Canada, at the Bedford Institute of Oceanography in Dartmouth, NS. Coastal attributes in the CIS have been interpreted and mapped from low-level, oblique, aerial photography and video imagery with accompanying audio commentary. The CIS is hierarchical in that coastal forms are classified based...

Canadian Coastal Information System (CIS) - CIS Points, Beaufort Sea Coast 1984, 1999 and 2000

Nicole Couture, Paul Fraser & Dustin Whalen
Shore-zone classification data for the Canadian Beaufort Sea coast form part of a GIS database, the Coastal Information System (CIS), developed and maintained by the Geological Survey of Canada (GSC-Atlantic), Natural Resources Canada, at the Bedford Institute of Oceanography in Dartmouth, NS. Coastal attributes in the CIS have been interpreted and mapped from low-level, oblique, aerial photography and video imagery with accompanying audio commentary. The CIS is hierarchical in that coastal forms are classified based...

In vivo Study of the Effects of a Northern Contaminant Mixture (NCM) on the Development of Metabolic and Cardiovascular Diseases under Conditions Typifying the Diets and Lifestyles of Northerners

Xiaolei Jin, Nanqin Li, Nimal Ratnayake & William Willmore
This is a toxicological study using animal models. In this study, obese and lean JCR rats are treated orally with alcohol or high fat/sugar diet and a mixture of 22 contaminants found in the Inuit blood. After four weeks of daily dosing, the animals were sacrificed. Blood, urine, and organs were collected and analyzed for contaminant levels, lipid profile, and markers of organ toxicity, cardiovascular and metabolic diseases.

Frozen Ground Map in Nunavik, Québec

Monique Bernier, Parvin Kalantari, Charles Gignac & Jimmy Poulin
This map has been created in the project "Variability and Change in the Canadian Cryosphere" . It is the result of the application of an algorithm developed by Catherine Lagacé during her M.Sc. studies at the INRS-ETE. In this algorithm, 3 variables are used : 1) 36,5 GHz Brightness Temperatures, 2) 18,7 GHz Brightness Temperatures, and 3) Water percentage by AMSR/E pixel. Once all these variables are gathered, they are used to calculate the Temperature...

CFL 0804 - Beaufort Sea CTD data

, , &
The CTD data was obtained during the 2007-2008 scientific cruise #0804 within the framework of the Circumpolar Flaw Lead Study (CFL). This program included a year round sampling expedition to study the air-sea interactions occurring in the ice-free sections of the southern Beaufort Sea and Amundsen Gulf. The data were collected from June 7 to July 13, 2008, aboard the CCGS Amundsen. There were 180 CTD casts, associated to 69 stations (including ice-drifts), located in...

Monitoring the relative abundance of bird and mammal species on Herschel Island

Wildlife Conservation Society Canada Donald Reid
The relative abundance of species is recorded as the number of individuals seen per hour spent in the field per observer. Each observer records daily the animal species encountered in the field and the number of individuals observed. To correct for any potential biases the activities and mode of transportation of observers are also taken into account. We also monitor the nests of bird species that are not part of our long-term monitoring and are...

Arthropod monitoring at Fosheim Peninsula, Ellesmere Island

Canadian Wildlife Service Josée Lefebvre & Canadian Wildlife Service Céline Maurice
We are monitoring the variations in arthropods abundance and activity throughout a part of the summer. Modified Malaise traps (pitfall trap with vertical mesh screen and bottle trap attached above to increase capture of flying insects) are used to capture surface active and low-flying arthropods. Two transects of 5 traps each (20m between each trap) are deployed in mesic and wetland habitats. Traps are visited and emptied every 48 hours.

Breeding activity of shorebirds at Fosheim Peninsula, Ellesmere Island

Canadian Wildlife Service Josée Lefebvre
We monitored shorebird nests found incidentally and we recorded and measured any sightings of chicks to give an indication of timing of breeding.

OASIS-CANADA-OOTI ASCOS: Atmospheric composition measured from the Oden Ice Breaker

Jan Bottenheim, Stoyka Netcheva & R. Y-W. Chang
Data were compiled in campaign mode and were obtained over the ice of the central Arctic Ocean north of Svalbard, using the OOTI (Out On The Ice) light mobile laboratory powered by a bank of 12 VDC batteries. Chemical variables were collected with instrumentation detailed below. Mercury (Hg): Gardis (atomic absorption spectroscopy) instrumentation displayed strong dependence of the cell desorption with battery voltage, thus data are not archived. Bromine monoxide (BrO): Data were collected by...

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