AusBathyTopo (Torres Strait): A 30m Resolution Depth and Elevation Model

The Torres Strait region, bounded by Australia, Indonesia, and Papua New Guinea, contains a 30-meter resolution Digital Elevation Model (DEM) of depth and elevation data. The dataset was compiled from multiple sources including multibeam surveys, airborne LiDAR bathymetry, and satellite-derived bathymetry, and is managed by the Australian Ocean Data Network. It is intended to support marine habitat mapping and hydrodynamic modeling for the Great Barrier Reef ecosystem.

Use Cases

• Marine habitat mapping based on the 30m-resolution depth and elevation grid.
• Simulating water mixing for hydrodynamic models based on the whole-of-Great Barrier Reef scale data.
• Supporting safe navigation planning based on the compiled bathymetry of the extensive reef and shoal system.
• Analyzing continental slope canyons and delta deposits based on multibeam survey data mentioned in the description.

Strengths

• 30-meter spatial resolution provides detailed topographic and bathymetric information.
• Compiled from multiple high-quality sources including multibeam surveys, airborne LiDAR, and satellite data.
• Covers the Torres Strait, a vital area at the northern end of the Great Barrier Reef.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The dataset is explicitly not to be used for navigational purposes.

Provenance

Source

Australian Ocean Data Network

Collection Method

Compiled from multibeam surveys, airborne LiDAR bathymetry, satellite-derived bathymetry, and the National Intertidal Digital Elevation Model (NIDEM).

Freshness

Last updated 2026-06-04 10:11:27.244944; freshness should be verified.

Geography

Torres Strait region, bounded by Australia, Indonesia, and Papua New Guinea, at the northern end of the Great Barrier Reef.