Australian Seabed Sediment Properties for Over 15,000 Samples

Geoscience Australia provides sediment property data for over 15,000 seabed samples from the Australian marine region. Analytical data includes textural composition, particle size statistics, and calcium carbonate values, with associated location and water depth information. This dataset is extracted from the Marine Sediment Database (MARS), an online resource containing 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 information.
• Seabed engineering studies based on sediment texture and carbonate content data.
• Fundamental geological research based on a continental-scale collection of marine sediment samples.

Strengths

• Over 15,000 seabed samples provide a substantial sample set.
• Spatial coverage spans the coast, continental shelf, slope, and deep ocean across the Australian region.
• Derived from a larger source 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 or survey bias inherent to the source collection.

Provenance

Source

Australian Ocean Data Network / Geoscience Australia

Collection Method

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

Freshness

Last updated 2026-06-17 02:31:43.182829; freshness should be verified.

Geography

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