Seabed Gravel, Mud and Sand Content in Australia's Browse Region, 2014

Geoscience Australia Data provides spatially continuous predictions of seabed gravel, mud, and sand content as weight percentages for the Browse region within the Australian continental Exclusive Economic Zone. The data is presented in 0.0025 decimal degree resolution raster grids and ASCII text format. This 2014 dataset supersedes previous predictions with demonstrated improvements in accuracy, though accuracy varies with underlying sample density and seabed complexity.

Use Cases

• Modeling seabed habitat suitability based on sediment grain size fractions.
• Conducting basin-scale geological surveys using the continuous raster predictions.
• Planning marine infrastructure projects by assessing seabed sediment properties.
• Updating regional sediment distribution maps with the improved accuracy predictions.

Strengths

• Data supersedes previous predictions with demonstrated improvements in accuracy.
• Provides continuous predictions at a 0.0025 decimal degree spatial resolution.
• Covers the Browse region within the Australian continental Exclusive Economic Zone.

Limitations

• Accuracy varies and artefacts occur in areas with insufficient underlying 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 sediment fractions derived from underlying sample data, presented as raster grids.

Time Range

2014

Freshness

Last updated 2026-04-30 14:00:24.651779; freshness should be verified.

Geography

Browse region in the Australian continental Exclusive Economic Zone (EEZ).