Coastal Ocean Carbon Chemistry Measurements from the Gulf of Maine, 2016-2020

Discrete and underway measurements of dissolved inorganic carbon, total alkalinity, pH, dissolved oxygen, and pCO2 collected near a buoy off the coast of New Hampshire. Data were gathered from 2016 to 2020 aboard the R/V Gulf Challenger using CTD profiles, Niskin bottles, and an underway system. The National Oceanic and Atmospheric Administration (NOAA) is the authoritative organization for this dataset.

Use Cases

• Modeling ocean acidification dynamics based on dissolved inorganic carbon and pH measurements
• Analyzing coastal carbon system variability based on total alkalinity and pCO2 data
• Studying seasonal and interannual trends in water chemistry based on the 2016-2020 time series
• Calibrating and validating biogeochemical models based on discrete and underway profile data

Strengths

• Multi-year time series covering 2016 to 2020
• Includes multiple measurement types (discrete, profile, underway) from a consistent platform
• Data collected near a fixed buoy location, providing a consistent spatial reference

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Data collected using CTD, Niskin bottle, and underway pCO2 system aboard the R/V Gulf Challenger.

Time Range

2016 to 2020

Freshness

Last updated 2026-03-05 22:26:26.006673; freshness should be verified

Geography

Gulf of Maine, near a buoy off the coast of New Hampshire, U.S.