AHO Reference Surfaces: High-Resolution Bathymetry Survey for Broome, Australia

A high-resolution bathymetry survey conducted for the Australian Hydrographic Office between 25 and 26 September 2020. The surface was created from a contracted national reference survey between Gantheaume Point and Talboys Rock, Broome, Western Australia, for calibrating multibeam echosounders. The dataset is provided as a 0.5-meter resolution, 32-bit floating point GeoTIFF grid exported in MSL, LAT, and Ellipsoid vertical datums.

Use Cases

• Calibrating multibeam echosounders based on the high-resolution reference surface.
• Modeling seafloor topography based on the 0.5-meter resolution bathymetric grid.
• Analyzing vertical datum transformations based on the MSL, LAT, and Ellipsoid data provided.
• Supporting marine spatial planning in the Broome, WA region based on the surveyed area.

Strengths

• High spatial resolution of 0.5 meters for detailed seafloor representation.
• Data collected with a specific Kongsberg EM 2040D multibeam echosounder and processed using Caris HIPS & SIPS software.
• Provides data in three vertical datums (MSL, LAT, Ellipsoid) for flexibility in analysis.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Row count and total file size are unknown, which may limit suitability assessment.
• The dataset is explicitly not to be used for navigational purposes, limiting its application scope.

Provenance

Source

Australian Hydrographic Office via the Australian Ocean Data Network.

Collection Method

Acquired using a Kongsberg EM 2040D multibeam echosounder and processed using Caris HIPS & SIPS as part of the Hydroscheme Industry Partnership Program.

Time Range

Survey acquired 25 Sep 2020 - 26 Sep 2020.

Freshness

Last updated 2026-04-28 12:19:22.046008; freshness should be verified.

Geography

Survey area between Gantheaume Point and Talboys Rock, Broome, Western Australia.