Geoscience Australia collates sediment properties for over 15,000 seabed samples from its Marine Sediment Database. The dataset includes textural composition, particle size statistics, calcium carbonate values, water depth, and location across the Australian marine region. It spans the coast, continental shelf, slope, and deep ocean locations.
Use Cases
- Characterize seabed environments based on sediment texture and composition data.
- Model sediment transport dynamics based on particle size distribution statistics.
- Support habitat characterization for marine ecosystems based on seabed properties.
- Inform seabed engineering studies based on sediment facies and carbonate content.
- Conduct fundamental geological and sedimentological research across the continental scale.
Strengths
- Over 15,000 seabed samples provide a substantial observational basis.
- Spatial coverage spans the entire Australian marine region, including coast, shelf, slope, and deep ocean.
- Derived from a national collection with approximately 2.6 million entries in the source database.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Calcium carbonate values are only included 'where available', indicating potential data gaps.
Provenance
- Source
- Geoscience Australia Data
- Collection Method
- Extracted and collated from the Marine Sediment Database (MARS).
- Time Range
- null
- Freshness
- Last updated 2026-05-14 09:02:01.585748; freshness should be verified.
- Geography
- Australian marine region, covering the extent of the AusBathyTopo 250m 2023 grid.