High-Resolution CTD/STD Oceanographic Data from ACONA 1978-1979

High-resolution CTD/STD data profiles were collected during the ACONA project from April 1978 to June 1979. The dataset covers the Bering Sea, Coastal Waters of Southeast Alaska and British Columbia, and the Gulf of Alaska. Data was processed by the National Oceanographic Data Center to its standard F022 format.

Use Cases

• Analyzing vertical profiles of temperature and salinity for oceanographic modeling.
• Studying historical density (sigma-t) variations in coastal and open ocean waters.
• Investigating potential dissolved oxygen or water clarity (transmissivity) trends from the late 1970s.
• Correlating station-specific environmental data (meteorological, sea surface) with subsurface measurements.

Strengths

• Data provides nearly continuous profiles with depth intervals as fine as 1 meter.
• Coverage spans multiple significant regions over a 14-month period from 1978-1979.
• Processed to a recognized standard (NODC F022 format) ensuring consistent structure.
• Includes ancillary station data like position, date, time, and cruise information.

Limitations

• Specific row count, column names, and file size are unknown from all sources.
• Data values may be subject to averaging, filtering, or interpolation as noted in the format description.
• The last updated metadata date (2026-04 01) on Data.gov conflicts with the dataset's temporal endpoint (1979-06-09).

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Collected using CTD (conductivity-temperature-depth) and STD (salinity-temperature-depth) instruments during the ACONA project, processed by NODC.

Time Range

1978-04-01 to 1979-06-09

Freshness

2026-04-01 15:17:10.280124

Geography

Bering Sea, Coastal Waters of Southeast Alaska and British Columbia, Gulf of Alaska