Seabed Gravel, Mud and Sand Content in the Petrel Sub-Basin, Australian EEZ

Australian Ocean Data Network provides spatially continuous data of seabed gravel, mud, and sand content expressed as weight percentages. The dataset covers the Petrel sub-basin in the Australian continental EEZ in 0.0025 decimal degree resolution raster grids and ASCII text formats. It supersedes previous predictions with demonstrated improvements in accuracy, though artifacts occur in regions with insufficient samples.

Use Cases

• Modeling seabed sediment distribution based on gravel, mud, and sand weight percentages
• Assessing seabed complexity and habitat suitability based on sediment fractions
• Planning marine infrastructure projects based on basin-scale sediment properties
• Validating and updating sediment predictions based on the described interpolation method

Strengths

• Spatially continuous data presented in 0.0025 decimal degree resolution raster grids
• Supersedes previous predictions with demonstrated improvements in accuracy
• Covers the Petrel sub-basin within the Australian continental EEZ

Limitations

• Accuracy varies based on underlying data density and seabed complexity; artifacts occur from insufficient samples
• Intended for basin scale; may not be appropriate for smaller scales where sample density is low
• Description metadata is limited; actual data quality requires manual inspection after download

Provenance

Source

Australian Ocean Data Network

Collection Method

Likely derived from seabed samples and interpolated predictions.

Freshness

Last updated 2026-06-23 01:07:37.886054; freshness should be verified

Geography

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