April-May 1993 data includes dissolved inorganic carbon, dissolved oxygen, nitrate, phosphate, silicate, salinity, and water temperature measurements. These chemical, physical, and profile data were collected via CTD and bottle instruments aboard the Hudson vessel by researchers from the Bedford Institute of Oceanography. The data contributes to the CARINA synthesis project for biogeochemical investigations.
Use Cases
- Analyze dissolved inorganic carbon concentration against salinity and water temperature to study carbon sequestration.
- Model relationships between nitrate, phosphate, and silicate levels using hydrostatic pressure and location data.
- Correlate dissolved oxygen levels with potential temperature (theta) for marine habitat studies.
- Validate ocean carbon models using profile observations of chemical variables from the North Atlantic.
- Study temporal trends in nutrient distributions using discrete sample data from the 1993 cruise period.
Strengths
- Data includes 9 specific chemical and physical variables: dissolved inorganic carbon, oxygen, nitrate, phosphate, silicate, salinity, temperature, potential temperature, and hydrostatic pressure.
- Collection uses standardized instruments (CTD and bottle) and is part of the international CARINA synthesis project for internal consistency.
Limitations
- Temporal coverage is limited to a single 40-day cruise in 1993, providing a snapshot rather than a long-term series.
- Geographic coverage is restricted to the North Atlantic Ocean tracks of the Hudson vessel during the cruise.
- Sample size and row count are unknown, potentially limiting statistical power for some analyses.
Provenance
- Source
- NOAA National Centers for Environmental Information (NCEI), originally from the CARINA project.
- Collection Method
- Discrete sample and profile observations collected using CTD and bottle instruments during a research cruise.
- Time Range
- 1993-04-05 to 1993-05-14
- Freshness
- null
- Geography
- North Atlantic Ocean, specific tracks of the HUDSON vessel during cruise CARINA/18HU19930405.