Partial pressure of carbon dioxide, water temperature, salinity, and other variables were collected from surface underway observations during three research cruises in the Pacific and Indian Oceans from 1986-05-21 to 1989-04-20. The data were collected by NOAA and analyzed using an automated, temperature-controlled gas chromatographic system. Instrument precision varied between cruises but was always less than 1.2% and typically around 0.4%.
Use Cases
- Modeling ocean carbon uptake based on surface water pCO2 measurements.
- Analyzing spatial and temporal trends in sea surface carbon dioxide levels.
- Calibrating satellite-derived ocean carbon data with in-situ surface underway observations.
- Studying the relationship between sea surface temperature, salinity, and carbon dioxide fugacity.
Strengths
- Instrument precision is documented as always less than 1.2% and typically around 0.4%.
- Data collection methodology is described, including air and seawater intake locations and analytical system.
- Temporal coverage spans nearly three years from 1986 to 1989.
Limitations
- Description metadata is limited; actual data quality requires manual inspection after download.
- Column-level documentation is absent; field semantics must be inferred after download.
- Last updated 1989-04-20 00:00:00; freshness should be verified.
Provenance
- Source
- NOAA_NCEI
- Collection Method
- Surface underway observations analyzed with an automated gas chromatographic system.
- Time Range
- 1986-05-21 to 1989-04-20
- Freshness
- 1989-04-20 00:00:00
- Geography
- Pacific and Indian Oceans