Coastal Carbon Flux Measurements from CEFAS Endeavour Cruises

Fifteen distinct cruises of the CEFAS ENDEAVOUR research vessel collected surface underway measurements of carbon dioxide partial pressure in the North Sea and South Atlantic Ocean between 2012 and 2013. The data include air-sea difference calculations, barometric pressure, salinity, and sea surface temperature, captured using a carbon dioxide gas analyzer and shower head chamber equilibrator. These time-series records were collected by Dr. Naomi Greenwood and Dr. David J. Pearce of the Centre for Environment, Fisheries and Aquaculture Science.

Use Cases

• Calculating air-sea CO2 flux based on partial pressure differences.
• Analyzing seasonal and spatial variability of coastal carbon dioxide concentrations.
• Validating regional ocean carbon models with in-situ pCO2 measurements.
• Correlating sea surface temperature and salinity with carbon dioxide fugacity.

Strengths

• Data originates from a consistent, documented research vessel (CEFAS ENDEAVOUR) and principal investigators.
• Covers a multi-year time range from March 2012 to October 2013 across multiple campaigns.
• Instruments used for data collection are explicitly named (CO2 gas analyzer, shower head chamber equilibrator).

Limitations

• Key metadata such as row counts, file size, specific column names, and license information are consistently missing across all platform entries.
• The dataset is fragmented across many individual NCEI accessions, requiring users to locate and merge files.
• Data freshness is unclear; the most recent platform update date (2026-03-05) appears to be a system artifact, while individual dataset 'last updated' dates are from the year of collection.

Provenance

Source

Dr. Naomi Greenwood and Dr. David J. Pearce of The Centre for Environment, Fisheries and Aquaculture Science (Cefas).

Collection Method

Surface underway observations collected from a research vessel using specific chemical and physical sensors.

Time Range

2012-03-10 to 2013-10-08

Freshness

Most recent collection date is 2013-10-08; a platform metadata update was logged on 2026-03-05.

Geography

Primarily the North Sea, with one cruise also covering the South Atlantic Ocean.