NOAA NCEI Accession 0034512 contains oceanographic measurements of temperature, salinity, pressure, depth, and conductivity. Data was collected in 2006 from the vessels Hakon Mosby, Johan Hjort, G.O. Sars, and Jan Mayen using Conductivity-Temperature-Depth (CTD) instruments. The dataset covers the Arctic and North Atlantic Ocean.
Use Cases
- Analyze vertical temperature and salinity profiles to identify water masses and thermocline structure.
- Calculate seawater density from temperature, salinity, and pressure data to study ocean stratification.
- Map spatial distributions of conductivity to infer freshwater inputs from ice melt or river runoff.
- Correlate pressure and depth measurements to validate sensor calibration and data quality.
- Use time-series of station data to investigate seasonal changes in Arctic Ocean hydrography.
Strengths
- Data collected from four dedicated research vessels (Hakon Mosby, Johan Hjort, G.O. Sars, Jan Mayen) ensuring controlled instrumentation.
- Includes core physical oceanography parameters: temperature, salinity, pressure, depth, and conductivity.
- Geographic coverage spans the environmentally critical Arctic and North Atlantic Ocean regions.
Limitations
- Dataset is from a single year (2006), limiting analysis of long-term trends or interannual variability.
- Specific row count, spatial resolution, and data completeness are unknown from the provided metadata.
- Lacks documented quality control flags or uncertainty estimates for individual measurements.
Provenance
- Source
- NOAA National Centers for Environmental Information (NCEI).
- Collection Method
- In-situ measurements collected from ship-based Conductivity-Temperature-Depth (CTD) instruments.
- Time Range
- 2006
- Freshness
- Data collection concluded in 2006; the dataset is a static historical snapshot.
- Geography
- Arctic Ocean and North Atlantic Ocean.