Predicted Seabed Sediment Composition in Australia's Vlaming Sub-Basin

Vlaming sub-basin in the Australian continental EEZ contains spatially continuous predictions of seabed gravel, mud, and sand content. The data is expressed as weight percentages in 0.0025 decimal degree resolution raster grids. It supersedes previous predictions with improved accuracy, though artifacts exist in areas with insufficient samples.

Use Cases

• Model seabed habitat suitability by analyzing spatial correlations between gravel, mud, and sand weight percentages.
• Validate sediment transport models using the 0.0025 decimal degree resolution raster grids of predicted sediment fractions.
• Assess regional sediment composition trends across the Vlaming sub-basin for marine geological studies.
• Identify areas requiring additional sampling by detecting artifacts from insufficient sample density in the predictions.

Strengths

• Provides continuous spatial predictions for three key sediment fractions (gravel, mud, sand) across the entire basin.
• Offers high-resolution data presented in 0.0025 decimal degree raster grids.
• Supersedes previous predictions with demonstrated improvements in accuracy.

Limitations

• Contains artifacts in regions with insufficient underlying sample data, limiting local accuracy.
• Intended for basin-scale analysis and may not be appropriate for use at smaller scales.
• Prediction accuracy varies based on underlying data density and seabed complexity.

Provenance

Source

Geoscience Australia Data

Collection Method

Spatial interpolation and prediction of sediment fractions from underlying sample data, presented as raster grids.

Time Range

2013

Freshness

null

Geography

Vlaming sub-basin within the Australian continental Exclusive Economic Zone (EEZ)