North Pacific Ocean Carbon and Water Chemistry Profiles from RYOFU MARU, May-June 1997

Discrete sample and profile data collected from the RYOFU MARU research vessel in the North Pacific Ocean from 1997-05-30 to 1997-06 22. The dataset includes measurements of dissolved inorganic carbon, pH, alkalinity, nutrients, chlorophyll, and other variables, collected using CTD and bottle instruments. Data were collected by Naoshi Kubo of the Japan Meteorological Agency as part of the PACIFICA project, an international synthesis effort for Pacific Ocean interior carbon data.

Use Cases

• Modeling ocean carbon uptake and acidification based on dissolved inorganic carbon and pH measurements.
• Analyzing nutrient cycles and primary productivity based on nitrate, phosphate, silicate, and chlorophyll data.
• Studying water mass properties and circulation based on salinity, temperature, and hydrostatic pressure profiles.
• Investigating anthropogenic tracer distribution based on chlorofluorocarbon (CFC-11, CFC-12) concentrations.

Strengths

• Includes over 20 distinct chemical, biological, and physical parameters for a holistic view of ocean conditions.
• Data collected as part of the international PACIFICA project, suggesting standardized protocols.
• Specific temporal coverage from 1997-05-30 to 1997-06-22 and geographic focus on the North Pacific Ocean.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment for large-scale modeling.
• Data may reflect temporal bias from a single cruise in 1997.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce; Japan Meteorological Agency.

Collection Method

Data collected from discrete sample and profile observations using CTD and bottle instruments.

Time Range

1997-05-30 to 1997-06-22

Freshness

Last updated 2026-03-05 23:20:12.714004; freshness should be verified.

Geography

North Pacific Ocean