NODC Accession 0112310 includes biological, chemical, and physical profile data collected from the SHUMPU MARU in the Philippine Sea from October 6 to 14, 1999. The data were collected by Hideshi Daimon and Masao Ishii as part of the PACIFICA project, an international synthesis effort for Pacific Ocean interior carbon. Measurements include dissolved inorganic carbon, pH, alkalinity, nutrients, chlorofluorocarbons, and water properties.
Use Cases
- Modeling ocean carbon uptake and acidification based on dissolved inorganic carbon and pH measurements.
- Analyzing nutrient cycling and primary productivity based on nitrate, phosphate, silicate, and chlorophyll a data.
- Studying anthropogenic tracer distribution based on chlorofluorocarbon-11 and -12 measurements.
- Investigating water mass properties and circulation based on temperature, salinity, and potential temperature (theta) profiles.
Strengths
- Data covers a focused 9-day research cruise in the Philippine Sea, providing a coherent snapshot.
- Includes over 20 measured parameters relevant to ocean carbon and biogeochemistry, such as dissolved inorganic carbon, alkalinity, and multiple nutrients.
- Collected as part of the PACIFICA international collaborative project for data synthesis.
Limitations
- Last updated 1999-10-14 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
- Japan Meteorological Agency; Meteorological Research Institute; Geochemical Research Department; collected via NOAA NCEI.
- Collection Method
- Discrete sample and profile observations using CTD, Coulometer for DIC measurement, and bottle.
- Time Range
- 1999-10-06 to 1999-10-14
- Freshness
- 1999-10-14 00:00:00
- Geography
- Philippine Sea