MARINE OBSERVATION SOURCE · S023
SOCAT
Discover marine observations available through SOCAT, including parameters, platforms, spatial and temporal coverage, metadata, and access methods.
- Operator
- Surface Ocean CO2 Atlas community
- Role
- Surface carbon synthesis
- Platforms
- Ships; moorings; autonomous platforms; drifters
- Observed variables
- Surface ocean fCO2/pCO2 plus supporting T/S/pressure and cruise/platform metadata
- Spatial coverage
- Global ocean + coastal seas
- Period
- 1957-2025 in v2026
- Depth coverage
- Surface / intake depth metadata where supplied
- QC and data mode
- Community second-level QC; versioned synthesis
- Access method
- Use SOCAT ERDDAP for programmatic subsets or LAS viewer then Save As
- Indexed download targets
- 7
Canonical parameters
- Sea-level / barometric pressure
air_pressure_at_sea_level - CO2 fugacity (fCO2)
fco2 - CO2 partial pressure (pCO2)
pco2 - Practical salinity
practical_salinity - Observation depth
sample_depth - Sea-surface temperature
sea_surface_temperature - CO2 mole fraction (xCO2)
xco2
Discovery and access
Ideal for surface carbon existence; preserve SOCAT version and QC flag.