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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77 datasets found
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HPLC Pigment Analysis of the Phytoplankton Community in Franklin Bay
Amundsen ScienceSample collection: The sampling was part of the Canadian Arctic Shelf Exchange Study (CASES) in which CCGS Amundsen was frozen in Franklin Bay in the coastal Beaufort Sea (Station FB/200) during winter. Upper mixed-layer microbial plankton communities were…
Phytoplankton biomass and diversityOcean colour HTML -
Fatty Acids, carotenoids, protist community and environmental parameters collected during a phytoplankton blooms in the Hudson Bay Complex.
Amundsen ScienceThe study was part of larger multidisciplinary investigations in the HBC aimed to understand (i) the effect of climate change on the quality of the Inuit local marine food (project BriGHT; Bridging Global Change, Inuit Health and the Transforming Arctic Ocean)…
Phytoplankton biomass and diversityOcean colour HTML -
Temporal dynamics of phytoplankton chlorophyll a concentrations in Frankiln Bay (Southeastern Beaufort Sea) in winter and spring 2003-2004
Amundsen ScienceThis dataset consists of vertical profiles of discrete depth sampled weekly at a fixed station under the ice in Franklin Bay (Southeastern Beaufort Sea) for chlorophyll a concentration of different size fractions: 0.7µm and 5µm. Sampling took place from…
Phytoplankton biomass and diversityOcean colour HTML -
Moving Vessel Profiling (MVP) data collected by the CCGS Amundsen in the Canadian Arctic
Amundsen ScienceThe Canadian research icebreaker CCGS Amundsen is equipped with a Moving Vessel Profiler (MVP), a versatile instrument designed to collect both shallow and deep water data sets without the need to halt the vessel. During transects, multiple consecutive casts…
Particulate matterOcean colour ERDDAP -
Fast Repetition Rate Fluorometry-based measurements of non-photochemical quenching in Arctic phytoplankton assemblages
Amundsen ScienceNon-photochemical relaxation experiments were conducted by introducing seawater samples (~3mL) to a Fast Repetition Rate fluorometer (FRRF; Soliense Inc.) optical cuvette. Samples came either from underway seawater lines onboard oceanographic vessels, or were…
Phytoplankton biomass and diversityOcean colour HTML -
ThermoSalinoGraph (TSG) data collected by the CCGS Amundsen in the Canadian Arctic
Amundsen ScienceThe Canadian research icebreaker CCGS Amundsen is equipped with an underway ThermoSalinoGraph (TSG) system, which continuously records surface seawater temperature, salinity, fluorescence and sound velocity along the transit route. Quality Assurance/Quality…
Sea Surface TemperatureSea Surface SalinityOcean colour ERDDAP -
Sinking export of organic material in the High Arctic in fall 2006
Amundsen ScienceSinking export of organic material was investigated during the fall of 2006, using free-drifting, short-term particle interceptor traps . The particle interceptor traps were deployed at 9 stations along a transect spanning between the North Water polynya…
Phytoplankton biomass and diversityInorganic CarbonOcean colour HTML -
Environmental data for an ordination analysis explaining the abundance of MAST-1 sub-clades
Amundsen ScienceThe datasets present new data from microscopic counts and selected nutrient and physical data assembled from the following missions. Aboard the CCGS Louis St-Laurent: IPY Canada's Three Oceans 2007. Aboard the CCGS Amundsen: International Polar Year (IPY)…
NutrientsPhytoplankton biomass and diversityOcean colour HTML -
Environmental data for correlation analysis explaining the abundance of Cryothecomonas
Amundsen ScienceThe datasets present new data from microscopic counts and selected nutrient and physical data assembled from the following cruises. Aboard the CCGS Amundsen: ArcticNet Expeditions 2006, 2008, 2009, 2010; International Polar Year (IPY) Circumpolar Flaw Lead…
NutrientsPhytoplankton biomass and diversityOcean colour HTML -
Sedimentation of organic material in Hudson Bay
Amundsen ScienceFree-drifting, short-term particle interceptor traps were deployed from the CCGS Amundsen on eight occasions between 23 September and 16 October 2005. The traps were deployed at two or three depths below the euphotic zone (from 25 to 150 m) for 8 to 20 h. The…
Phytoplankton biomass and diversityInorganic CarbonOcean colourDissolved Organic Carbon 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 ScienceThis 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 ScienceFirst-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 -
Incidence of light and ocean acidification on microbial community, dimethyl sulfide, dimethylsulfoniopropionate and macronutrients in Baffin Bay, Nunavut, Canada
Amundsen ScienceAn incubation experiment was conducted on board of the Canadian research icebreaker CCGS Amundsen between 6 and 15 August 2015. The water was collected near the nitracline at 38 m depth in Baffin Bay using 12-L Niskin-type bottles deployed on a CTD rosette…
OtherOcean surface stressPhytoplankton biomass and diversityOcean colour HTML -
Phytoplankton light absorption properties in Southern Beaufort Sea and the Amundsen Gulf
Amundsen ScienceField 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 -
CASES 0304-Beaufort Sea CTD data
Amundsen ScienceThe CTD data was obtained during LEG 02 of the 2003 CASES scientific cruise 0304. This Leg was carried out from October 15th 2003 to November 25th 2003 aboard the CCGS Amundsen. There were 147 CTD casts in Leg 2. All of these casts, associated to 109…
OxygenSubsurface SalinitySubsurface TemperatureParticulate matterOcean colour ERDDAP -
CASES 0404-Beaufort Sea CTD data
Amundsen ScienceThe CTD data was obtained during LEG 07 of the 2004 CASES scientific cruise 0404. This Leg was carried out from May 12th 2004 to June 24th 2004 aboard the CCGS Amundsen. There were 131 CTD casts in Leg 7. All of these casts, associated to 45 oceanographic…
OxygenSubsurface SalinitySubsurface TemperatureParticulate matterOcean colour ERDDAP -
CASES 0401-Franklin Bay CTD data
Amundsen ScienceThe CTD data was obtained during LEG 04 of the 2004 CASES scientific cruise 0401. This Leg was carried out from January 7th 2004 to February 18th 2004 aboard the CCGS Amundsen. There were 119 CTD casts in Leg 4. All of these casts, associated to the…
OxygenSubsurface SalinitySubsurface TemperatureParticulate matterOcean colour ERDDAP -
ArcticNet 1304 - Baffin Bay and Northwest Passage CTD data
Amundsen ScienceThe CTD data was obtained during the 2013 ArcticNet scientific cruise 1304. The data were collected from July 27 to September 2, 2013, aboard the CCGS Amundsen. There were 115 casts associated to 59 stations, located in Baffin Bay and Northwest Passage. The…
OxygenSubsurface SalinityOcean surface heat fluxSubsurface TemperatureOcean colour ERDDAP -
CFL 0802 - Amundsen Gulf CTD data
Amundsen ScienceThe CTD data was obtained during the 2007-2008 scientific cruise 0802 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…
OxygenSubsurface SalinityOcean surface heat fluxSubsurface TemperatureOcean colour ERDDAP -
CFL 0708 - Amundsen Gulf CTD data
Amundsen ScienceThe CTD data was obtained during the 2007-2008 scientific cruise 0708 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…
OxygenSubsurface SalinityOcean surface heat fluxSubsurface TemperatureOcean colour ERDDAP