Australian Seabed Bathymetry at 50m Resolution, 2018

Australia's offshore seabed, including international waters, is mapped in this multibeam bathymetry dataset compiled by Geoscience Australia. The data is gridded at a 50-meter resolution and represents holdings as of June 2018. It is accessible via Geoscience Australia's Marine data portal and is not intended for navigational use.

Use Cases

• Modeling seafloor terrain and geomorphology based on the 50-meter resolution bathymetry grid.
• Analyzing seabed composition and features for marine habitat mapping using the gridded depth data.
• Supporting marine spatial planning and environmental impact assessments with offshore area coverage.
• Integrating bathymetric data with other marine datasets using the provided source vector product.

Strengths

• Gridded at a consistent 50-meter resolution.
• Covers the offshore area of Australia, including international waters.
• Compiled from the holdings of Geoscience Australia, a national authority.

Limitations

• Row count and dataset size are unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Last updated 2026-04-16 08:21:05.336699; freshness should be verified.

Provenance

Source

Geoscience Australia, via the Australian Ocean Data Network.

Collection Method

Compiled and gridded from multibeam bathymetry data holdings.

Time Range

Holdings as of June 2018.

Freshness

Data holdings are current as of June 2018; metadata was last updated in April 2026.

Geography

Offshore area of Australia, including international waters.