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130 datasets found

• Fast Repetition Rate Fluorometry-based measurements of non-photochemical quenching in Arctic phytoplankton assemblages

  Amundsen Science

  Non-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

• Atlantic Zone Monitoring Program (PMZA-RIKI) 2015 to 2017: Optical Data

  St. Lawrence Global Observatory

  This dataset includes water optical parameters sampled in situ such as reflectance at sea surface, diffuse attenuation coefficient, downwelling irradiance and more. Associated biogeochemical data are available via the following dataset: - Atlantic Zone…

  OtherOcean colour CSVPDF

• MicroCasi Project 2017: Mapping of Coastal Ecosystems - Biogeochemical Data

  St. Lawrence Global Observatory

  This dataset includes biogeochemical parameters analyzed in the laboratory from water samples, including chlorophyll a, suspended particulate matter, cyanobacteria and prokaryote counts and CDOM absorption. Related optical data are available via the following…

  Particulate matterOcean colour CSVPDF

• Biogeochemical Data From the Odyssée Saint-Laurent Oceanographic Campaign (August 2021) in the Lower Estuary and the Gulf of St. Lawrence

  St. Lawrence Global Observatory

  Biogeochemical data were collected from August 7 to 18 2021, on board the research vessel Coriolis II in the Lower Estuary and the Gulf of St. Lawrence. This data set includes biogeochemical parameters analyzed in the laboratory from water samples, including…

  Particulate matterOcean colour ERDDAP

• WISE-Man Project (WaterSat Imaging Spectrometer Experiment), Characterization of Shallow Inland and Coastal Waters: Optical Data

  St. Lawrence Global Observatory

  This dataset includes water optical parameters sampled in situ such as reflectance at sea surface and bottom, diffuse attenuation coefficient, downwelling irradiance and more. It is also possible to consult the other datasets on different themes related to the…

  OtherOcean colour CSVPDF

• MicroCASI Project 2017: Mapping of Coastal Ecosystems - Optical Data

  St. Lawrence Global Observatory

  This dataset includes water optical parameters sampled in situ such as reflectance at sea surface and bottom, diffuse attenuation coefficient, downwelling irradiance and more. Biogeochemical data are available via the following dataset: - MicroCasi Project…

  OtherOcean colour CSVPDF

• CHONe II project (Canadian Healthy Oceans Network): baseline bio-optical data in the Bay of Sept-Îles, optical data

  St. Lawrence Global Observatory

  This dataset includes water optical parameters sampled in situ such as reflectance at sea surface and bottom, diffuse attenuation coefficient, downwelling irradiance and more. Biogeochemical data are available via the following dataset: -…

  OtherOcean colour CSVPDF

• Surface Water Temperature by Satellite Remote Sensing

  St. Lawrence Global Observatory

  The Maurice Lamontagne Institute remote sensing laboratory operates three satellite image receiving stations (Mont-Joli, Victoria and Resolute Bay) allowing the acquisition of National Oceanic and Atmospheric Administration (NOAA) weather satellite data and…

  Sea Surface TemperatureOcean colour HTML

• ThermoSalinoGraph (TSG) data collected by the CCGS Amundsen in the Canadian Arctic

  Amundsen Science

  The 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 Science

  Sinking 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

• In Situ Remote Sensing Reflectance of Gamache Bay, Anticosti Island.

  St. Lawrence Global Observatory

  The primary variables of this dataset are the in situ remote sensing réflectance, the water leaving radiance, the diffuse attenuation coefficient of upwelling radiance, the water depth and canopy height of the submerged aquatic vegetation. Data was acquired…

  Sea Surface SalinitySea Surface TemperatureOcean colour ERDDAP

• Environmental data for an ordination analysis explaining the abundance of MAST-1 sub-clades

  Amundsen Science

  The 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 Science

  The 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

• RQM - CTD Data From the Lampsilis Concerted Mission (MAL2020): State of Health of the St. Lawrence 2020

  St. Lawrence Global Observatory

  The Lampsilis concerted mission of August 2020, funded by the Odyssée Saint-Laurent program of the Réseau Québec maritime (RQM), aimed to gather strategic scientific knowledge for the understanding and management of the St. Lawrence River and Gulf. The mission…

  Subsurface SalinitySubsurface TemperatureOcean colour ERDDAPPDF

• WISE-Man Project (WaterSat Imaging Spectrometer Experiment), Characterization of Shallow Inland and Coastal Waters: Intertidal Zone Data

  St. Lawrence Global Observatory

  Dataset include parameters related to the sampling of the intertidal zone, such as biomass and leaf area index of macroalgae, chlorophyll a concentration in sediment and bottom reflectance. It is also possible to consult the other datasets on different themes…

  Seagrass cover and compositionMacroalgal canopy cover and compositionOcean colour CSVODSPDFZIP

• Chlorophyll-a and Salinity Concentrations Derived from Satellite Images for the Estuary and Gulf of St. Lawrence (1998-2025)

  St. Lawrence Global Observatory

  "New version" This dataset presents the result of a model developed to retrieve chlorophyll-a (chla) and salinity concentrations from various satellites in the St. Lawrence Estuary and Gulf. This version replaces the previous ones, with estimates derived from…

  Sea Surface SalinityPhytoplankton biomass and diversityOcean colour ERDDAP

• Jetski Radiometry for Remote Sensing Reflectance Uncertainty Propagation

  St. Lawrence Global Observatory

  Radiance, irradiance and attitude from the jet-ski, used to develop the uncertainty propagation methodology and characterize the platform (Mabit et al. 2026). Data acquired in Gamache Bay (Anticosti Island) the 5 of july 2022. The AlgaeWise project is part of…

  Sea Surface SalinitySea Surface TemperatureOcean colour ERDDAP

• Sedimentation of organic material in Hudson Bay

  Amundsen Science

  Free-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 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

• CTD Data from the 2023 BioDiv Cruise in the Gulf of St. Lawrence

  St. Lawrence Global Observatory

  The aim of the BioDiv (id : 202309) mission is to characterize phytoplankton and zooplankton in the coastal zone of the northwestern Gulf of St. Lawrence. As part of this mission, CTD (conductivity, temperature, depth) vertical profiles were carried out at 4…

  OxygenSubsurface SalinitySubsurface TemperatureOcean colour ERDDAP