Surface Ocean CO2 Atlas (SOCAT)

Leave a commentCarbon cycle, entry
The Surface Ocean CO₂ Atlas (SOCAT) is a synthesis activity for quality-controlled, surface ocean fCO₂ (fugacity of carbon dioxide) observations by the international marine carbon research community (>100 contributors). It has over 20 million fCO₂ measurements .


resolution decadal, annual, monthly, instantaneous
period historical
coverage 1957–2017


gridded yes
type observations (raw)
formats nc, txt, odv,  tsv


published yes
link raw data and code gridded data
availability public


resolution global 1° by 1° coastal 0.25° by 0.25°
depth surface
coverage global
figureSource: Figure 1 from Bakker et al. (2016)

Major Variables

Key References

  • Bakker, D et al. (2016). A multi-decade record of high quality fCO₂ data in version 3 of the Surface Ocean CO₂ Atlas (SOCAT). Earth System Science Data, 8, 383-413.

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