IOS CTD Profile Data

This dataset contains observations made by the Institute of Ocean Sciences of Fisheries and Oceans (DFO) using CTDs mounted on rosettes. The CTDs were deployed by DFO and partner organizations on scientific cruises between 1968 to present. Variables present in the dataset include Temperature, Salinity, Oxygen, Conductivity, Depth, and Pressure. For any questions please contact (

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Access and Use

Licence: Creative Commons Attribution 4.0

Data and Resources


Metadata Reference Date(s) February 29, 2020, 04:09 (UTC) (Creation)
April 5, 2021, 23:51 (UTC) (Revision)
Dataset Reference Date(s) January 27, 2021 (Creation)
Frequency of Update As Needed

Dataset extent

Map data © OpenStreetMap contributors

Additional Info

Field Value
Ocean Variables
  • Oxygen
  • Sub Surface Salinity
  • Sub Surface Temperature
Scope Dataset
Status On Going
Maintenance Note
Point of Contact
  • Name: Hakai Institute Role: Publisher
Responsible Party
  • Organisation Name / Affiliation: Institute of Ocean Sciences Role: Originator
  • Individual Name: Institute of Ocean Sciences, 9860 West Saanich Road, Sidney, B.C., Canada Role: Author
Spatial Extent {"type": "Polygon", "coordinates": [[[180.0, -77.89333], [-179.9883, -77.89333], [-179.9883, 90.0], [180.0, 90.0], [180.0, -77.89333]]]}
North Bounding Latitude 90.0
South Bounding Latitude -77.89333
East Bounding Longitude -179.9883
West Bounding Longitude 180.0
Temporal Extent Begin: 1965-07-05 End: 2019-08-11
Vertical Extent Min: 0.0 Max: 4241.9
Default Locale English
Citation identifier Code: IOS_CTD_Profiles