246 Works

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...

Monitoring of Spring snow cover at Alert, Nunavut

R.I. Guy Morrison
Snow cover is visually estimated every two days from an elevated vantage point that allows estimation of cover over a variety of flat and sloped terrain. The monitoring starts on the date of our arrival at the study site until the end of snowmelt. Descriptive notes are kept on daily weather conditions to complement the full set of climatic variables that are recorded at the Environment Canada Weather Station at Alert. ** Snow cover data...

Small mammal monitoring at Fosheim Peninsula, Ellesmere Island

Canadian Wildlife Service Josée Lefebvre
We monitor lemming abundance using four methods. (1) Dead trapping using snap-traps at 2 sites in early August; we cumulate 709 trap-nights at each site by trapping during 3 days (2007-2009). (2) Survey of lemming winter nests after snow-melt in late June using the line transect method (2007-2008). (3) Survey of lemming burrows within an area of 1 ha in late July (2008 only). (4) Survey of lemming runways using the line transect method in...

Carbon and nitrogen cycling in tundra soils - Devon Island

Angela Bedard-Haughn & Maxime Paré
The landscapes were divided into five landform units: (1) upper slope, (2) back slope, (3) lower slope, (4) hummock, and (5) interhummock, which represented a great diversity of Static and Turbic Cryosolic soils including Brunisolic, Gleysolic, and Organic subgroups. Soil gross N mineralization was measured using the 15N dilution technique, whereas soil GHG emissions (N2O, CH4, and CO2) were measured using a multicomponent Fourier transform infrared gas analyzer. Soil organic matter characteristics were determined by...

Geological Survey of Canada Offshore Geophysical Survey Tracks, Beaufort Shelf and Slope - Shapefiles

Steve Blasco & Edward King
This dataset includes track locations of geophysical data collected as part of research cruises conducted by, or for, the Geological Survey of Canada (Atlantic). Geophysical data types collected on AANDC (Aboriginal Affairs and Northern Development Canada) supported BREA (Beaufort Regional Environmental Assessment) cruises include "light" reflection pinger-type seismics (Knudsen 3.5 kHz), and multibeam sonar bathymetry. Track locations were taken at anywhere from 30 to 5 second intervals. The supplied shapefile includes all BREA - related...

Lakes and Permafrost in Old Crow Flats

Lance Nagwan, Chris Burn, Blayne Brown, Dougie Charlie, Kibbe Tetlich & Pascale Roy-Leveille
Two sets of thermistor cables will be installed, one at a site in the OCF where drill depth will target 50 m, and the other closer to the community. The site in OCF will be used to obtain the curvature in the ground temperature profile, and establish the apparent response to recent regional increases in air temperature. The sites nearer to Old Crow will be established to 10 m depth, and will be monitored monthly...

Coastline, Shingle Point 1953 & 2004, Yukon, northern Canada

Sheila Hynes & Dustin Whalen
Digital coastlines from the Canadian Beaufort Sea were generated from accurately georeferenced satellite imagery and aerial photography. These coastlines provide an accurate representation of the land/water interface at a given time and position along the coastline. Orthophotos from 2004 were provided in digital format by the Mackenzie Valley Air Photo (MVAP) Project, which is a partnership between Indian and Northern Affairs Canada (INAC), Natural Resources Canada, Environment Canada and the Government of Northwest Territories. For...

Ocean and sea ice 1/12 degree model hindcast for the Arctic and North Atlantic oceans (2003-2009)

Fraser Davidson, Simon Higginson, Frederic Dupont, Jean-Francois Lemieux, Youyu Lu, François Roy & Gregory Smith
Ocean and sea ice conditions are simulated for the period 2003-2009 using the model configuration described in Dupont et al. (2015). The model includes the Arctic and the North Atlantic oceans, and has a horizontal resolution of 1/12 degree, equivalent to an average of approximately 5km in the Arctic. There are 50 vertical levels in the model. The model is driven at the surface by atmospheric conditions from the Environment Canada GDPS, and at the...

Coastline, Niakolik Point 1952 - 1996, Ivvavik National Park, Yukon, northern Canad

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...

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...

The Polar Environment Atmospheric Research Laboratory (PEARL) and the International Arctic Systems for Observing the Atmosphere (IASOA)

James Drummond, Alan Manson, Bruce McArthur, David Hudak, Gordon Shepherd, Marianna Shepherd, Norman O'Neill, Thomas Duck & Thomas McElroy
Year-round (365/24) operation of the PEARL complex has been achieved with more than 25 operating instruments and associated data downloads and archiving. A particular strength of PEARL is the ability to collect data during the winter when there are few other measurements but the atmosphere undergoes important changes. This project encompassed eight sub-projects: Project 1: Validation of space-based cloud properties and precipitation characteristics. The measurements and studies at PEARL have enabled better understanding of current...

Yeendoo Nanh Nakhweenjit K'atr'ahanahtyaa: Environmental change and traditional use of the Old Crow Flats in northern Canada

Shel Graupe, Brent Wolfe, Christopher Burn, Dorothy Cooley, Duane Froese, Laurie Chan, Michael Pisaric, Murray Humphries & Trevor Lantz
This multidisciplinary project is comprised of eight components focusing on: geology and Paleoenvironments (Froese); hydrology and biology (Wolfe); permafrost (Burn); dendrochronology (Pisaric); vegetation (Lantz); food security (Chan); muskrat (Humphries); and moose (Cooley).

Ground penetrating radar data for ice patches in the Mackenzie Mountains, Northwest Territories, 2007-2008

Prince Of Wales Northern Heritage Centre Tom Andrews, Department Of Geography Brian Moorman & Department Of Geography Thomas Muelendyk
Ground penetrating radar data was collected along transects across the ice patches at 250 MHz and 500 MHz frequencies. Traces were collected roughly every 5 cm along the transects with the GPS location and elevation being recorded at each trace location. The data is in a Pulse EKKO format and indicates the thickness of the ice and internal layering. The transects were laid out in a grid manner such that the three dimensional geometry of...

Carbon and nitrogen cycling in tundra soils - Daring Lake

Angela Bedard-Haughn & Maxime Paré
The landscapes were divided into five landform units: (1) upper slope, (2) back slope, (3) lower slope, (4) hummock, and (5) interhummock, which represented a great diversity of Static and Turbic Cryosolic soils including Brunisolic, Gleysolic, and Organic subgroups. Soil gross N mineralization was measured using the 15N dilution technique, whereas soil GHG emissions (N2O, CH4, and CO2) were measured using a multicomponent Fourier transform infrared gas analyzer. Soil organic matter characteristics were determined by...

Documenting traditional knowledge in relation to climate change and its effects in Tr'ondëk Hwëch'in traditional territory

Alexandra Winton, David Neufeld, Erin Neufeld, Georgette McLeod, Jackie Olson, Katelyn Friendship, Shirley Roburn, Sue Parsons & Trish Hume
Tr'ondëk Hwëch'in is a self-governing First Nation that signed a Final Agreement with the Yukon Government and Canada in 1998. Tr'ondëk Hwëch'in offers a variety of year-round programming to the community of Dawson City, Yukon and many of these programs are supported by information collected through oral history interviews and the documentation of traditional knowledge. Our IPY project involved multiple phases, including field research, oral history interviews, community mapping, and academic partnerships. Other important aspects...

PPS Arctic Canada (Present processes, Past changes, Spatio-temporal variability in the Arctic delimitation zone, Canada)

Karen Harper, Trevor Bell, Frank Berninger, Stephane Boudreau, Ryan Danby, Shawn Donaldson, Nancy Doubleday, Scott Green & Greg Henry
PPS Arctic Canada is a team of more than 170 researchers including 23 co-investigators, 3 post-doctoral fellows, 80 students from high school to graduate level and more than 70 northern residents and elders. Training and northern community involvement have been key components of our research project. Together with international researchers we developed common protocols and collected data during IPY to examine change at the tree line. Our multidisciplinary research team is developing methods for integrating...

Ice drift in the Beaufort Sea observed by drifting buoys

Christian Haas
This project, led by York University, has used airborne electromagnetic surveys and drift beacons to quantify the thickness and regional distribution of different sea ice types and extreme ice features in the southern Beaufort Sea. A Canadian airborne platform has been developed to perform long-range aerial surveys of sea ice and to mark the surveyed ice at the same time with drifting buoys. These have been air-dropped on extreme ice features and ice floes to...

Moose Movement and Habitat Use in Old Crow Flats, 2007-2009

Lance Nagwan, Dorothy Cooley & Murray Humphries
Current knowledge of moose migration in this region is limited to the observation that a majority of moose captured in northeastern Alaska migrate almost 200 kilometers to spend the summer in the OCF. We will capture 10 cow and 9 bull moose on the OCF in 2007-08 and fit them with satellite download GPS collars. These will provide two years of data on the seasonal and annual home ranges of collared moose, which will be...

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.

Manon Simard, Centre De Recherche Du Nunavik, Société Makivik, 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...

Community Adaptation and Vulnerability In Arctic Regions (CAVIAR) [Canada]

Barry Smit, Ben Bradshaw, Derek Armitage, Frank Duerden, James Ford, Mark Andrachuk, Ralph Matthews, Trevor Bell & Wayne Pollard
This project represents the Canadian component of the international IPY CAVIAR consortium. The research is designed to systematically assess the vulnerability of communities across the circumpolar north to changing environmental conditions, including climate change, and to identify opportunities to enhance the adaptive capacities of communities to sustain their natural resources, livelihoods and well-being. The project involves case studies, using a common methodology, to document exposures and adaptive strategies to deal with changing conditions. Exposures are...

Shrub expansion in Alpine Tundra of the Kluane Region

Isla H. Myers-Smith & David S. Hik
We have conducted experimental manipulations of shrub canopies in the south-western Yukon. For the 12 shrub and 12 tundra plots, we have measured soil temperatures, snow depths, soil profiles, carbon dioxide effluxes, plant available nitrate and ammonia, tundra and shrub biomass, and percent carbon and nitrogen in soils and plant biomass. We have also collected shrub growth ring data and ages for willows from 20 sites in the Kluane Region and other sites in the...

SX90 sonar data in the Beaufort Sea: 2014

Louis Fortier & Maxime Geoffroy
The data set is composed of raw files recorded with the Kongsberg Maritime SX90 long-range, low frequency (20-30 kHz) fisheries sonar during the CCGS Amundsen 2014 summer expedition in the Beaufort Sea. The sonar transducer was lowered 2.5 feet below the hull through a gate-valve. The cylindrical 256-elements transducer allows both a horizontal and a vertical sound transmission, and the omni-directional sonar beam can be tilted from +10 to -60 degrees to scan a large...

Overwintering of Barges in the Beaufort - Assessing Ice Issues and Damage Potential

Anne Barker, Garry Timco & Don Connelly
The report steps through illustrative scenarios, in order to provide examples of the types of ice loads that could occur in representative overwintering locations. These scenarios lead to the provision of a framework of methods used to evaluate ice loads on vessels. This framework can be applied to assess ice loads on a specific vessel with known structural integrity at a specific location, by a team of qualified operational, ice mechanic and naval architect experts....

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.

Coastline, Tuktoyaktuk 1947 to 2008, Beaufort Sea, northern Canada

Sheila Hynes, Steve Solomon & Dustin Whalen
The following dataset represents cliffs, beach and coastlines as they existed along the Beaufort Sea since 1947. These features provide an accurate representation of the land/water interface at a given time and position along the coastline. Aerial photography provided by National Airphoto Library (NAPL) and satellite imagery (Worldview 2 and Quickbird) provided the base layer for the dataset. The 2001 field survey data were used as the control for georeferencing the imagery. Digital coastlines, cliff...

Registration Year

  • 2012
  • 2016
  • 2017

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