Australian Marine Geospatial Data Including Bathymetry and MH370 Search Sonar

Geoscience Australia's marine geospatial web service contains bathymetry, backscatter, and marine sediment data. It includes 150 m and optimal resolution bathymetry, plus 5 m sidescan and synthetic aperture sonar data from the multinational MH370 search in the Indian Ocean. The service allows exploration of seafloor topography through compiled multibeam sonar and other marine datasets.

Use Cases

• Model seafloor topography based on compiled multibeam sonar bathymetry data.
• Analyze sediment distribution patterns based on marine sediment data layers.
• Plan marine survey areas based on bathymetry collection priority and planning layers.
• Study high-resolution seafloor features based on 5 m sidescan and synthetic aperture sonar data from the MH370 search.

Strengths

• Includes specific, high-resolution data types: 150 m bathymetry, optimal resolution bathymetry, and 5 m sidescan sonar.
• Contains data from a notable, multinational survey effort for the search of Malaysian Airlines Flight MH370.
• Data is served via a Web Coverage Service (WCS), which is a standard for geospatial raster data.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset size are unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to the specific survey areas and data_gov_au sources.

Provenance

Source

Geoscience Australia Data

Collection Method

Compilation of multibeam sonar and other marine datasets acquired by government surveys.

Time Range

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Freshness

Last updated 2026-03-25 16:11:51.610007; freshness should be verified.

Geography

Primarily Australian marine areas and the Indian Ocean (MH370 search area).