North Pacific Ocean chemical and physical data collected from the Hokusei Maru vessel between June 22 and July 6, 1998. The dataset includes measurements of dissolved inorganic carbon, alkalinity, pH, salinity, temperature, and nutrients like nitrate and phosphate. It was collected by Shuichi Watanabe of Hokkaido University as part of the PACIFICA international synthesis project.
Use Cases
- Modeling ocean carbon uptake and acidification based on dissolved inorganic carbon and pH measurements.
- Analyzing nutrient distributions and their relationship to carbon chemistry based on nitrate, phosphate, and silicate data.
- Studying the physical-chemical properties of seawater based on concurrent salinity, temperature, and hydrostatic pressure profiles.
Strengths
- Data includes multiple core carbon system parameters (DIC, alkalinity, pH) measured concurrently.
- Measurements were taken during a dedicated research cruise (HO98-2/PACIFICA_49HO19980622) in the North Pacific Ocean.
- Project was supported by an international scientific organization (PICES S-CC), suggesting coordinated data standards.
Limitations
- Last updated 1998-07-06 00:00:00; freshness should be verified.
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
Provenance
- Source
- NOAA_NCEI (NODC Accession 0112238)
- Collection Method
- Discrete sample and profile observations using CTD, Coulometer for DIC measurement, and bottle.
- Time Range
- 1998-06-22 to 1998-07-06
- Geography
- North Pacific Ocean