Australian Seabed Sediment Properties for Over 15,000 Samples

Geoscience Australia's Marine Sediment Database provides sediment properties for over 15,000 seabed samples across the Australian marine region, from the coast to the deep ocean. Analytical data includes textural composition, particle size statistics, and calcium carbonate values, with associated location and water depth information. This standalone dataset was extracted from the larger MARS database of approximately 2.6 million entries.

Use Cases

• Seabed characterisation based on sediment textural composition and particle size distribution data.
• Sediment transport modelling based on particle size statistics and sample locations.
• Habitat characterisation based on seabed sediment properties and water depth.
• Seabed engineering studies based on sediment texture and carbonate content.
• Fundamental geological research based on a continental-scale collection of marine sediment samples.

Strengths

• Over 15,000 seabed samples provide a substantial sample set.
• Data spans coast, shelf, slope, and deep ocean locations across the Australian region.
• Derived from the Marine Sediment Database (MARS) containing approximately 2.6 million entries.

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 region.

Provenance

Source

Geoscience Australia, Australian Ocean Data Network

Collection Method

Extracted and collated from the Marine Sediment Database (MARS).

Freshness

Last updated 2026-06-27 16:41:29.773431; freshness should be verified.

Geography

Australian marine region, covering the extent of the AusBathyTopo 250m 2023 grid.