Seabed Sediment Composition in the Australian Petrel Sub-Basin, 2012

Spatially continuous raster grids detail the weight percentage of seabed gravel, mud, and sand within the Petrel sub-basin of the Australian continental EEZ. The dataset supersedes previous predictions with demonstrated improvements in accuracy and is provided at a 0.0025 decimal degree resolution. It was published by Geoscience Australia Data.

Use Cases

• Map sediment distribution patterns based on gravel, mud, and sand content percentages.
• Model seabed habitat suitability based on sediment composition data.
• Assess geological basin characteristics based on continuous sediment fraction data.
• Plan marine infrastructure projects based on substrate properties.
• Validate or update seabed sediment models based on improved accuracy mentioned in the description.

Strengths

• Provides continuous data at a 0.0025 decimal degree resolution.
• Supersedes previous predictions with demonstrated improvements in accuracy.
• Covers three key sediment fractions (gravel, mud, sand) as weight percentages from 0 to 100%.

Limitations

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

Provenance

Source

Geoscience Australia Data

Collection Method

Predicted from sample data and interpolated into raster grids.

Time Range

2012

Freshness

Last updated 2026-05-14 03:45:36.724136; freshness should be verified.

Geography

Petrel sub-basin in the Australian continental Exclusive Economic Zone (EEZ).