124 seabed samples from the eastern Bonaparte Gulf collected in 2009/2010 provide 74 physical and chemical variables. Geoscience Australia analyzed these to characterize sediment properties, identify geohazards, and map benthic habitats. Cluster analysis revealed relationships between sediment geochemistry, grain-size, and infauna biodiversity.
Use Cases
- Mapping benthic habitats based on sediment physical and chemical properties.
- Analyzing relationships between infauna biodiversity and sediment geochemical clusters.
- Identifying potential geohazards for offshore infrastructure development based on seabed characteristics.
- Studying cross-shelf transitions in sediment composition based on Mn, As, and P enrichment patterns.
- Investigating the influence of subsurface seepage on sediment terrestrial signatures.
Strengths
- 124 sample dataset provides a substantial baseline for the study area.
- 74 physical and chemical variables offer a multi-dimensional characterization of sediment.
- Cluster analysis results were validated by a high cophenetic correlation coefficient of 0.82.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Data may reflect geographic bias inherent to the specific survey area.
Provenance
- Source
- Geoscience Australia
- Collection Method
- Seabed mapping surveys undertaken in 2009/2010.
- Time Range
- 2009-2010
- Geography
- Eastern Bonaparte Gulf