Australian Seabed Sediment Properties for Over 15,000 Samples

The Australian marine region, covering the extent of the AusBathyTopo 250m 2023 grid, is represented by this dataset. Geoscience Australia collated sediment properties for over 15,000 seabed samples from its Marine Sediment Database (MARS), an online resource of approximately 2.6 million entries. Analytical data includes textural composition, particle size statistics, textural class, and calcium carbonate values, with sample location, water depth, and survey information.

Use Cases

• Seabed characterisation based on sediment textural composition and particle size distribution.
• Sediment transport modelling using particle size statistics and sample location data.
• Habitat characterisation leveraging sediment texture and carbonate content information.
• Seabed engineering studies informed by sediment properties and water depth.
• Fundamental geological research using the collated sample set spanning coast to deep ocean.

Strengths

• Over 15,000 seabed samples provide a substantial sample set.
• Data is 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 marine region.
• Includes multiple sediment properties: texture, particle size, carbonate, depth, and location.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Freshness should be verified as the last update timestamp is 2026-04-20 03:28:16.808194.

Provenance

Source

Geoscience Australia Data

Collection Method

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

Freshness

Last updated 2026-04-20 03:28:16.808194

Geography

Australian marine region (coast, continental shelf, slope, deep ocean).