NOAA OAP: Underway pCO2 and Ocean Chemistry in the Bering Sea and Gulf of Alaska

NOAA Ocean Acidification Program data contains underway measurements of partial pressure of carbon dioxide (pCO2), salinity, sea surface temperature, and other parameters. Observations were collected aboard NOAA Ship Oscar Dyson during seven cruises in the Bering Sea and Gulf of Alaska from March to August 2014. This dataset supports coastal monitoring and research objectives for understanding ocean acidification.

Use Cases

• Tracking seasonal variability of surface ocean pCO2 based on continuous underway measurements.
• Assessing ocean acidification trends in the Bering Sea and Gulf of Alaska based on carbonate chemistry parameters.
• Calibrating regional ocean carbon models based on in-situ pCO2 and sea surface temperature data.
• Studying the relationship between salinity and carbon dioxide solubility in coastal waters.

Strengths

• Provides data from seven distinct research cruises (DY1402 to DY1407_L3) over a five-month period.
• Collected in support of the NOAA Ocean Acidification Program, indicating a defined research purpose.
• Dataset is archived on multiple platforms (NASA Earthdata and Data.gov), suggesting validation and persistence.

Limitations

• Column names and specific parameters beyond pCO2, salinity, and SST are not detailed in the provided metadata.
• Conflicting 'last updated' dates exist between sources (2014-08-13 and 2026-03-05), creating uncertainty about data currency.
• No row count, file size, or license information is provided across any source.

Provenance

Source

NOAA National Centers for Environmental Information (NCEI)

Collection Method

Surface underway observations using shower head equilibrator and carbon dioxide gas detector aboard NOAA Ship Oscar Dyson.

Time Range

2014-03-03 to 2014-08-13

Freshness

2026-03-05 22:25:49.800190

Geography

Bering Sea and Gulf of Alaska