Sediment core data from the northern Gulf of Mexico collected during the R/V Weatherbird cruise WB-0814 in August 2014. The dataset includes gas chromatography-mass spectrometry characterization of hydrocarbons, bulk density and porewater measurements, short-lived radioisotope data, sediment texture and composition, and core photographs. Data were collected and processed by NOAA NCEI from samples sectioned at 2mm and 5mm intervals.
Use Cases
- Analyze hydrocarbon composition from GC-MS data to identify contamination sources or natural seeps.
- Calculate sediment accumulation rates using short-lived radioisotope (SLRad) profiles from core sub-samples.
- Correlate sediment texture and composition data with visual stratigraphy from core photographs.
- Model porewater content and bulk density using wet and dry weight measurements taken at 2mm and 5mm intervals.
Strengths
- Includes multiple analytical data types (GC-MS, SLRad, texture, photographs) for a unified sediment profile.
- Bulk density and porewater measurements are reported at high-resolution 2mm intervals for surficial sediment.
Limitations
- Sample size is limited to a single research cruise over a two-week period in 2014.
- Data availability for specific features like SLRad and texture is noted only for selected core sub-samples, not all intervals.
- Temporal coverage is a single snapshot from 2014, limiting trend analysis.
Provenance
- Source
- NOAA_NCEI
- Collection Method
- Sediment cores collected with multiple corers, sectioned, freeze-dried, and analyzed via Agilent 7890B GC/MS and other laboratory methods.
- Time Range
- 2014-08-14 to 2014-08-28
- Freshness
- null
- Geography
- Northern Gulf of Mexico