Predicted Seabed Sediment Content in the Vlaming Sub-Basin, Australian EEZ 2013

2013 spatially continuous predictions of seabed gravel, mud, and sand content expressed as weight percentages (0-100%) for the Vlaming sub-basin within the Australian continental Exclusive Economic Zone. The data is provided in 0.0025 decimal degree resolution raster grids and ASCII text formats, superseding previous predictions with demonstrated improvements in accuracy. This dataset was contributed by the Australian Ocean Data Network.

Use Cases

• Modeling benthic habitats based on predicted sediment composition.
• Planning offshore infrastructure projects based on seabed substrate properties.
• Assessing sediment transport and deposition patterns at a basin scale.
• Validating and updating seabed maps based on the continuous raster predictions.

Strengths

• Supersedes previous predictions with demonstrated improvements in accuracy.
• Provides continuous spatial coverage at a 0.0025 decimal degree resolution.
• Covers three key sediment fractions (gravel, mud, sand) as weight percentages.

Limitations

• Accuracy varies based on underlying data density and seabed complexity; artefacts occur in regions with insufficient samples.
• Intended for basin-scale use and may not be appropriate for smaller-scale analysis in data-sparse areas.
• Column-level documentation is absent; field semantics must be inferred after download.

Provenance

Source

Australian Ocean Data Network via data_gov_au.

Collection Method

Predicted from underlying sample data; method details are not specified.

Time Range

2013

Freshness

Last updated 2026-06-23 04:30:34.492597; freshness should be verified.

Geography

Vlaming sub-basin within the Australian continental Exclusive Economic Zone.