Geoscience Australia's Marine Sediment Database (MARS) provides this dataset of sediment properties for over 15,000 seabed samples. Analytical data includes textural composition, particle size statistics, and calcium carbonate values, with location, depth, and survey information. The sample set spans the coast, shelf, slope, and deep ocean across the Australian marine region.
Use Cases
- Seabed characterisation based on sediment texture and particle size distribution data.
- Sediment transport modelling based on particle size statistics and location data.
- Habitat characterisation based on seabed sediment properties and water depth.
- Seabed engineering studies based on sediment composition and texture.
- Fundamental geological research based on carbonate values and sediment facies.
Strengths
- Over 15,000 seabed samples provide a substantial observational base.
- Data extracted from a national database (MARS) containing approximately 2.6 million entries.
- Spatial coverage spans the coast, continental shelf, slope, and deep ocean across the Australian region.
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 Australian Ocean Data Network source.
Provenance
- Source
- Australian Ocean Data Network, derived from Geoscience Australia's Marine Sediment Database (MARS).
- Collection Method
- Extracted and collated from the national MARS database to create a standalone dataset.
- Time Range
- null
- Freshness
- Last updated 2026-04-10 18:10:23.614296; freshness should be verified.
- Geography
- Australian marine region, covering the extent of the AusBathyTopo 250m 2023 grid.