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47 datasets found

• Acoustic data in the Northwest Passage: 2005-2014

  Amundsen Science

  The dataset is composed of raw files recorded with a SIMRAD EK60 three-frequency split-beam echosounder that was operated continuously during the annual ArcticNet (2005-2014) sampling expeditions in the Canadian Arctic aboard the CCGS Amundsen. Three 7°…

  Sea IceFish abundance and distribution HTML

• Acoustic data in the Beaufort Sea: 2005-2011

  Amundsen Science

  The data set is composed of raw files recorded with a SIMRAD EK60 three-frequency split-beam echosounder that was operated continuously during the annual ArcticNet (2005-2010) and the 15 months IPY-CFL (2007-2008) sampling expeditions aboard the CCGS Amundsen.…

  Sea IceFish abundance and distribution HTML

• Acoustic data in the eastern Canadian Arctic and Subarctic: 2005-2013

  Amundsen Science

  The data set is composed of raw files recorded with a SIMRAD EK60 three-frequency split-beam echosounder that was operated continuously during the annual ArcticNet (2005-2013) sampling expeditions in the Canadian Arctic and Subarctic aboard the CCGS Amundsen.…

  Sea IceFish abundance and distribution HTML

• Ocean surface temperature in the Amundsen Gulf measured by infrared transducer during summer-fall 2009

  Amundsen Science

  The IR transducer is installed at the boat deck level on Amundsen on the port side of the ship (see http://www.amundsen.ulaval.ca/medias/pdf/boatheli.pdf). The data recording is done on a separate storage module and then transferred to the backup drive. It can…

  Sea IceOcean surface heat flux HTML

• Dimethylsulfide dynamics in first-year sea ice melt ponds in the Canadian Arctic Archipelago

  Amundsen Science

  Nine melt ponds distributed between four stations located in Navy Board Inlet, Barrow Strait, and Resolute Passage were sampled during the joint NETCARE/ArcticNet research cruise conducted in July 2014 on board the Canadian Coast Guard Ship (CCGS) Amundsen…

  Sea IceOtherOcean surface stress HTML

• The Circumpolar Flaw Lead (CFL) system study

  Amundsen Science

  The CFL project consisted of ten sub-project teams: Physical oceanography; Sea ice; Light, nutrients, and primary production; Food webs; Marine mammals and birds; Gas fluxes; Carbon and nutrient fluxes; Contaminants; Modeling; and Traditional Knowledge. In the…

  Sea IceMarine turtles, birds, mammals abundance and distributionInorganic Carbon HTML

• In situ sea ice geophysical and electromagnetic data from the Newfoundland coast in spring 2017

  Amundsen Science

  This dataset contains an opportunistic dataset of in situ geophysical and electromagnetic observations of sea ice off the northeast coast of Newfoundland. It includes temperature and salinity profiles from ice cores at 3 different study sites, 1 photomosaic…

  Sea IceSubsurface TemperatureSubsurface Salinity HTML

• Snow and Ice Physical Properties

  Amundsen Science

  General description: Ice types from new ice up to thick first-year sea ice (FYI) were encountered, with one case of multiyear ice (MYI) examined. Methology: The sampling can be divided into "Transect Mode" and "Drift Mode." For the transect mode, we accessed…

  Sea IceSubsurface TemperatureSubsurface Salinity HTML

• Influence of Winter Disturbances on Eelgrass Meadow Cover and the Structure of Associated Communities in the Subarctic St. Lawrence Marine Estuary (Quebec, Canada), 2024–2025

  St. Lawrence Global Observatory

  This dataset documents the influence of winter disturbances on eelgrass meadow cover and the structure of associated benthic communities in the subarctic maritime estuary of the St. Lawrence, Quebec, Canada. Data were collected between 2024 and 2025 at Anse à…

  Sea IceSeagrass cover and compositionInvertebrate abundance and distribution HTMLODSPDFZIP

• Investigating the Sources, Abundance and Types of Microplastics in the Arctic, 2017

  Amundsen Science

  Microplastics pollution has been found across the globe, but with limited information from the polar regions. Although there is evidence of microplastics in the Arctic and Antarctic, little is understood about the sources, fate and extent of contamination. We…

  Sea IceParticulate matterTransient tracersZooplankton biomass and diversity HTML

• Fine-scale time series of surface dimethylsulfide concentrations across ice-covered and ice-free waters of the Canadian Arctic Archipelago in summer, 2017

  Amundsen Science

  This study presents sea surface concentrations of marine dimethylsulfide (DMS) measured across the Labrador Sea and the Canadian Arctic Archipelago during summer of 2017 (July-August). Using a novel automated instrument (ACT-MIMS) more than 2500 DMS…

  Sea IceOtherPhytoplankton biomass and diversityOcean colour HTML

• Seasonal study of nutrients and organic matter in first-year sea ice on the Mackenzie shelf

  Amundsen Science

  First-year sea ice was sampled on 36 occasions near the overwintering site of the CCGS Amundsen during the Canadian Arctic Shelf Exchange Study (CASES). Sea-ice and associated surface water samples were taken every 3 to 5 days between 24 February and 20 June…

  Sea IcePhytoplankton biomass and diversityDissolved Organic CarbonOcean colour HTML

• Nain Bay Zooplankton Collection (2024)

  St. Lawrence Global Observatory

  This dataset shows spatial zooplankton identification and concentration (ind./m3), collected in February 2024 under coastal sea ice at 5 stations along a transect in Nain Bay, Nunatsiavut. Environmental measurements of ice thickness (cm), snow cover thickness…

  Sea IceSea Surface SalinitySea Surface TemperatureZooplankton biomass and diversity HTMLODSZIP

• Data on Oceanographic Conditions at the Surface of the St. Lawrence Estuary and Gulf, Mainly Derived from Satellite Remote Sensing.

  St. Lawrence Global Observatory

  This collection brings together several daily environmental variables covering the St. Lawrence Estuary and Gulf. The project aims to make the best available data on coastal environments accessible in a single repository, prioritizing the optimal balance…

  Sea IceSea Surface SalinitySea Surface TemperaturePhytoplankton biomass and diversity ERDDAPHTML

• Phytoplankton light absorption properties in Southern Beaufort Sea and the Amundsen Gulf

  Amundsen Science

  Field observations were made in the southern Beaufort Sea and the Amundsen Gulf as part of CASES 2003 expedition. Samples were collected during the first two legs of the expedition from 13 September to 14 October 2003 (open water) and from 15 October to 25…

  NutrientsSea IceOcean surface heat fluxPhytoplankton biomass and diversityOcean colour HTML

• High-resolution survey of marine dimethylsulfide (DMS) in contrasted marine environments of the Canadian Arctic during the 2016 oceanographic ArcticNet/NETCARE campaign

  Amundsen Science

  The Arctic Ocean in summer is thought to be a nexus of biogenic dimethylsulfide (DMS) production associated, in part, with diversified niches within or bordering dynamic sea-ice where DMS-rich microbial communities may thrive. However, critical uncertainties…

  OtherSea IceSubsurface SalinitySubsurface TemperaturePhytoplankton biomass and diversityOcean colour HTML

• Integrated Beaufort Observatory (iBO) mooring data, 2015-2018

  Amundsen Science

  The main integrated Beaufort Observatory (iBO) sampling platform is composed of 7 tautline moorings located in waters ranging from 20 to 750 m at key locations from the Mackenzie Canyon, to the mid and outer central shelf and slope, up to the remote…

  Sea IceSubsurface SalinitySubsurface TemperaturePhytoplankton biomass and diversityInorganic CarbonOcean colour HTML

• Newfoundland and Labrador Region Hydrographic Data Collection 1980 - Present

  CIOOS-Atlantic

  This dataset contains hydrographic data collected by the Department of Fisheries and Oceans Canada, Newfoundland and Labrador Region, from 1980 - present. This data was collected as part of various projects, including both inshore and offshore locations across…

  Sea IceSea StateSea Surface SalinitySea Surface TemperatureSubsurface SalinitySubsurface TemperatureOther ERDDAPHTML

• Newfoundland and Labrador Region Multi-Species Survey Trawl-Mounted CTD Profiles

  CIOOS-Atlantic

  The Department of Fisheries and Oceans Canada (DFO), Newfoundland and Labrador Region, has undertaken stratified-random multi-species surveys in portions of Northwest Atlantic Fisheries Organization (NAFO) subareas 2 and 3 since the early 1970’s. The current…

  Sea IceSea StateSea Surface SalinitySea Surface TemperatureSubsurface SalinitySubsurface TemperatureOther ERDDAPHTMLPDF

• Northern Shrimp Research Foundation (NSRF) CTD Profiles

  CIOOS-Atlantic

  The Northern Shrimp Research Foundation (NSRF) was established in 2002 to address gaps in scientific data and research in the North in collaboration with the Department of Fisheries and Oceans Canada (DFO). The NSRF conducts shrimp research surveys in the…

  Sea IceSea StateSea Surface SalinitySea Surface TemperatureSubsurface SalinitySubsurface TemperatureOther ERDDAPHTMLPDF