Discrete sample and profile data collected from the research vessel POLARSTERN in the South Atlantic Ocean between December 1992 and January 1993. The dataset includes measurements of dissolved inorganic carbon, dissolved oxygen, nutrients, salinity, and temperature, obtained using CTD and bottle instruments. Data were collected by researchers from the Alfred Wegener Institute as part of the WOCE_SR04_ANTX_7 cruise.
Use Cases
- Modeling ocean carbon uptake based on dissolved inorganic carbon and nutrient measurements.
- Analyzing water mass properties and circulation using potential temperature and salinity profiles.
- Studying nutrient cycles and biogeochemical processes in the Southern Ocean based on nitrate, phosphate, and silicate data.
- Calibrating and validating satellite-derived sea surface salinity and temperature products with in-situ CTD data.
Strengths
- Data includes multiple core oceanographic variables (DIC, oxygen, nutrients, temperature, salinity) for a coherent analysis.
- Specific temporal coverage from 1992-12-03 to 1993-01-22 and geographic focus on the South Atlantic Ocean are documented.
- Data collection is associated with a known research program (WOCE) and vessel (POLARSTERN), providing context.
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 geographic and temporal bias inherent to a single cruise in the 1990s.
Provenance
- Source
- Alfred Wegener Institute for Polar and Marine Research (AWI), collected by Eberhard Fahrbach and Mario Hoppema.
- Collection Method
- Discrete sample and profile observations using CTD, Coulometer for DIC measurement, and bottle instruments.
- Time Range
- 1992-12-03 to 1993-01-22
- Freshness
- Last updated 2026-03-06 00:19:34.952837; freshness should be verified.
- Geography
- South Atlantic Ocean