Amundsen Science
Amundsen Science is a Canadian research program that focuses on the Arctic and Antarctic regions. It aims to advance scientific knowledge and understanding of these polar environments through collaborative research initiatives.
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70 datasets found
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Shipborne dissolved concentrations of benzene and toluene in surface seawater and depth profiles and air sea fluxes in Canadian Arctic/Baffin Bay area, 2017
Amundsen ScienceDissolved concentrations of these gases were measured using a segmented flow coil equilibrator (SFCE) coupled to a Proton Transfer Reaction Mass Spectrometer (PTR-MS). Detailed description of the installation on board and the data analysis specific to this…
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ArcticNet Basemaps
Amundsen ScienceMap Projection - A Lambert Conformal Conic projection (with two standard parallels) is used for the ArcticNet Basemap series of mapsheets. In order to minimize distortion in the areas of most interest, the standard parallels were specifically chosen to follow…
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Multibeam Sonar Data collected from the CCGS Amundsen (2003-2018)
Amundsen ScienceAccoustic data was generated using an EM300 (2003-2008) and EM302 (2008-2017) multibeam sonar system onboard the CCGS Amundsen during ArcticNet Cruises. This bathymetric dataset covers the Canadian Arctic and includes all bathymetric data collected from CCGS…
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Benthic Marine Sponges Collected from Baffin Bay, North Labrador Sea, and Davis Strait aboard the CCGS Amundsen 2015 to 2017 as part of ArcticNet HiBio Project
Amundsen ScienceSponges were sampled from multiple sites in the Northeast Atlantic from multiple cruises aboard the CCGS Amundsen. Benthic sponges were obtained through Box cores, Agassiz trawls, and through targeted sampling using the SuMO ROV. Sponges were photographed on…
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Glaciodyn (Canada) IPY Project: Belcher Glacier seabed mapping data
Amundsen ScienceThe Belcher Glacier seabed mapping program was carried out over a 12-hour period in September 2006 and consisted of: 1) imaging of deeper parts of the inlet using the EM300 30 kHz multibeam sonar on the CCGS Amundsen icebreaker; and 2) detailed mapping…
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Post-processed and mosaicked multibeam echosounder data near Qikiqtarjuaq, NU, Canada.
Amundsen ScienceMultibeam echosounder data near Qikiqtarjuaq were collected by the CCGS Amundsen in 2007 and by the RV Nuliajuk from 2012-2015. Data collected between 2007 and 2014 were processed by the Ocean Mapping Group at the University of New Brunswick…
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Marine sediment cores from submerged deltas and fjords of Cumberland Peninsula, 2014-2015
Amundsen ScienceThe cores were collected using a small gravity corer aboard the MV Nuliajuk in September 2014, and a piston corer aboard the CCGS Amundsen during October of 2014 and 2015. Initial data included records of sample location and core length. Laboratory work has…
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Multibeam sonar mapping in outer Frobisher Bay, 2017-2018
Amundsen ScienceMultibeam sonar data and accompanying acoustic sub-bottom profile data were collected using the multibeam echosounder aboard the scientific icebreaker CCGS Amundsen. Particular focus in 2017 and 2018 mapping was on deep water troughs with apparent mega-scale…
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Submarine Mass Failure Cores from Frobisher Bay (Nunavut) aboard CCGS Amundsen
Amundsen ScienceThis data is currently in relation to twelve piston cores collected aboard CCGS Amundsen, one on cruise 2014805, two on cruise 2015805, six on cruise 2016804, and three on cruise 2017805. Information about these cores (Location, length, grain size, radiocarbon…
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Thyasirid bivalve collection from around Baffin Island, Nunavut
Amundsen ScienceThyasirid bivalves were collected by sieving sediments collected using box cores aboard the Amundsen, from 2015 to 2017, around Baffin Island and at Saglek Bank. Specimens were preserved in either ethanol (for DNA extraction), in glutaraldehyde (for…
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Sediment and Invertebrate Sampling for Trophic Benthic Ecology Near the Nain Continental Shelf (Labrador Sea), 2019
Amundsen ScienceBulk and amino acid-specific stable isotope analyses, and morphological taxonomy will be the primary methods used for this project. Isotope analyses of carbon (C), nitrogen (N), hydrogen (H), and sulfur (S) will provide information on trophic interactions.…
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Long-term benthic ecology sampling, inner Frobisher Bay, 2016
Amundsen ScienceBenthic grab samples and underwater towed video samples were collected at long-term ecology sites while onboard the Government of Nunavut vessel MV Nulialjuk and CCGS Amundsen in July and October 2016. On-board the MV Nulialjuk, benthic grab samples…
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2013 ROV video survey in a deep-water environment at Disko Fan, southeastern Baffin Bay, aboard CCGS Amundsen
Amundsen ScienceA video-survey using a Super Mohawk remotely operated vehicle (ROV) was conducted in August 2013 in the Disko Fan area, SE Baffin Bay. A multibeam survey was conducted in the area before the ROV dive. The benthic environment was video-recorded using a…
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Seafloor Relief from Multibeam Bathymetric Sonar, Beaufort Shelf and Slope
Amundsen ScienceThe 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…
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Benthic ecosystem functioning in the Arctic
Amundsen ScienceSamples were collected during the Malina programme at 8 sites ranging in water depth from 47 m to 577 m in July and August 2009 onboard the icebreaker CCGS Amundsen. At each sampling station, an USNEL box corer (50 cm×50 cm×30 cm) was deployed for seafloor…
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Influence of deep-water corals and sponges gardens on infaunal community composition and ecosystem functioning in the Eastern Canadian Arctic
Amundsen ScienceSamples were collected at two sites in the Eastern Canadian Arctic (Figure 1) aboard the scientific icebreaker CCGS Amundsen. The sampling positions at biogenic and non-biogenic habitats were defined during ROV video surveys at the two sites (Figure 2a-d).…
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Predictive models of macrobenthos patterns in the southeastern Beaufort Sea and Amundsen Gulf
Amundsen ScienceThis study is based on sampling conducted partially within the framework of the (1) Arctic Biological Station program-Biological Oceanography Section (ABS-BOS) from 1973 to 1975, (2) CCGS Sir Wilfrid Laurier program and CASES from 2002 to 2004, (3) IPY-CFL…
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Benthic Diversity across the Canadian Arctic
Amundsen ScienceData were mainly collected from the CCGS Amundsen (2015 to 2019) and from the William-Kennedy (2019). An Agassiz trawl (1.5 m width × 0.7 m height, cod end of 0.5 cm mesh size) was towed on the seabed at a speed of 1.5-2 knots for 3 to 5 minutes to survey…
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Geomorphology of Northeast Baffin Fjords (2014-2016)
Amundsen ScienceThe multibeam bathymetry data is acquired with a multibeam sonar Kongsberg EM302. For complete acquisition and processing description, see the Polar data Catalogue Metadata CCIN 12586 and 12732. Additionnal post-processing and data cleaning of the bathymetry…
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Benthic food-web responses to marine biological productivity and depth across the Canadian Arctic
Amundsen ScienceA total of 19 stations were sampled between August and October 2011 onboard the Canadian research icebreaker CCGS Amundsen. Two stations were sampled both in August and October to assess seasonal variability in stable isotope composition. At each station, a…
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