Perth Canyon Marine Park Bathymetry Grid at 40-Meter Resolution

40 percent of Australia's exclusive economic zone is covered by a network of 58 marine parks managed by Parks Australia. This data release provides a 40-meter resolution bathymetric grid for the Perth Canyon Marine Park, compiled from Geoscience Australia's holdings and processed with a hillshade image. The grid supports a new semi-hierarchical seafloor classification scheme developed under the National Environmental Science Program.

Use Cases

• Classifying seafloor morphological surfaces (Plain, Slope, Escarpment) based on the Dove et al. (2016) scheme mentioned in the description
• Generating derived products for marine park 'eco-narrative' documents based on collated bathymetry data
• Analyzing seabed geomorphology for habitat mapping based on bathymetric grids and hillshade imagery
• Supporting marine biodiversity research and management plan development based on interpreted environmental data

Strengths

• Data is integrated from authoritative national holdings managed by Geoscience Australia
• Grid is optimized to the resolution of the source vessel's sonar system
• Product combines bathymetric data with a hillshade image for enhanced visualization
• Supports a formal, published seafloor classification scheme (Dove et al., 2016)

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download
• Column-level documentation is absent; field semantics must be inferred after download
• The dataset is explicitly not to be used for navigational purposes, limiting its application scope

Provenance

Source

Geoscience Australia, via the Australian Ocean Data Network

Collection Method

Compilation and processing of existing bathymetry data holdings, gridded at optimal resolution.

Time Range

null

Freshness

Last updated 2026-04-28 13:50:01.007431; freshness should be verified

Geography

Perth Canyon Marine Park, within Australia's Commonwealth waters network.