RQM - CTD Data From the Winter Concerted Mission Aboard the CCGS Amundsen (MOH2019): Odyssée Saint-Laurent 2019

10.26071/ogsl-d75bb333-a56c-4a4d

The 2019 winter collaborative mission, funded by the Réseau Québec maritime (RQM) St. Lawrence Odyssey program, is the program's second winter oceanographic mission aboard the icebreaker CCGS Amundsen. Formed by a strategic collaboration between the RQM, the Canadian Coast Guard and Amundsen Science, the mission's objective was to gather scientific knowledge essential to the understanding and management of the St. Lawrence River and Gulf during winter. The mission enabled 15 research teams from 5 different universities to acquire multidisciplinary data in line with 19 research objectives.

Vertical profiles of CTD data (conductivity, temperature, depth) were made in the water column at 10 stations distributed along the St. Lawrence system between west of Quebec City and the Lower Estuary. Profiles were taken from around 2 m below the surface to a maximum depth of around 323 m (station OSL 19-09). They incorporate direct measurements of temperature, salinity, dissolved oxygen, irradiance, light transmission, fluorescence, coloured dissolved organic matter (CDOM) and nitrate concentration in seawater. Discrete water samples were taken at various stations and depths to compare CTD's direct measurements with laboratory analyses of dissolved oxygen concentration (19 samples at 5 stations - Winkler chemical titration), nitrate concentration (77 samples at 10 stations), and chlorophyll a concentration (43 samples at 10 stations). These comparisons were used to adjust the calibration of CTD data for dissolved oxygen, fluorescence and nitrate concentration.

You can consult an interactive map including all the years of expeditions and the different trajectories (LEG) associated with them.

Access and Use

Licence: Creative Commons Attribution 4.0

Data and Resources

CTD Dataset - MOH2019ERDDAP

CTD data collected during the MOH2019 mission for the 10 stations analized

Mission Report Aboard CCGS Amundsen - MOH2019...PDF

Mission report detailing the context, objectives, crew, equipment and...

Citation

Keywords

Dataset extent

Metadata Reference Date(s) February 21, 2024 (Publication)
May 21, 2024 (Revision)
Data Reference Date(s) February 03, 2019 (Creation)
Frequency of Update As Needed

Access full metadata here

Source last modified May 21, 2024 at 14:45

Other records harvested from amundsen-science_metadata_files_autogenerated

Responsible Party 1
Affiliation
Réseau Québec maritime ROR logo
Email
info-rqm@uqar.ca
Role
Custodian
Responsible Party 2
Name
Montero-Serrano, Jean-Carlos ORCID logo
Affiliation
UQAR-ISMER
Email
jeancarlos_monteroserrano@uqar.ca
Role
Principal Investigator
Responsible Party 3
Name
Guillot, Pascal ORCID logo
Affiliation
Université Laval ROR logo
Email
pascal.guillot@qo.ulaval.ca
Role
Processor
Responsible Party 4
Affiliation
Amundsen Science ROR logo
Role
Custodian
Responsible Party 5
Affiliation
Université du Québec à Rimouski ROR logo
Role
  • Distributor
  • Owner

Field Value
Ocean Variables
  • Oxygen
  • Nutrients
  • Subsurface Salinity
  • Subsurface Temperature
  • Ocean colour
Climate Variables
  • Nutrients
  • Oxygen
Scope Dataset
Status Completed
Maintenance Note Generated from https://cioos-siooc.github.io/metadata-entry-form#/en/stlaurent/7ukNb80dBccbfWOKNRT9ivHJden1/-NqDO0VYeN-GORmxyQmd
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North Bounding Latitude 46.82
South Bounding Latitude 50.02
East Bounding Longitude -65.73
West Bounding Longitude -71.19
Temporal Extent
Begin
2019-02-03
End
2019-02-12
Vertical Extent
Min
2.38
Max
322.99
Default Locale English
Citation identifier
Code
https://doi.org/10.26071/ogsl-d75bb333-a56c-4a4d
Projects
  1. RQM
Included in Data Catalogue
Included in Data Catalogue 1
Name
OGSL/SLGO
URL
https://catalogue.ogsl.ca