Seabed Environments of the Eastern Joseph Bonaparte Gulf

A seabed mapping survey provides geological, geochemical, geophysical, and biological data for the Van Diemen Rise in northern Australia. The dataset includes 1,154 square kilometres of multibeam sonar data, 340 line-km of sub-bottom profiles, and samples from 63 stations. The survey was conducted by Geoscience Australia and the Australian Institute of Marine Sciences.

Use Cases

• Analyze multibeam sonar data and sub-bottom profiles to model the late-Quaternary evolution of carbonate banks and channels.
• Use geochemical data from sediment and water samples to assess environmental quality for surrogacy research linking physical and biological parameters.
• Correlate macro-benthic and infaunal diversity data with geological samples to investigate relationships between seabed environment and community structure.
• Integrate oceanographic data on waves, tides, and currents from four stations to understand sediment transport processes on the Van Diemen Rise.

Strengths

• Multibeam sonar provides 100 percent seabed coverage for four study areas.
• Dataset integrates geological, biological, geochemical, and oceanographic data from 63 sampling stations.
• Includes 1,154 square kilometres of sonar data and 340 line-km of sub-bottom profiles.

Limitations

• Sample size is limited to 63 stations across a large geographic area.
• Primary data formats are PDF and HTML, which may require extraction for quantitative analysis.
• Temporal coverage of the survey is not specified, limiting time-series analysis.

Provenance

Source

Australian Ocean Data Network, originating from Geoscience Australia and the Australian Institute of Marine Sciences.

Collection Method

Survey using multibeam sonar, sub-bottom profiling, and station-based sampling of geological, biological, and geochemical parameters.

Time Range

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Freshness

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Geography

Van Diemen Rise in the eastern Joseph Bonaparte Gulf, Northern Australia, covering outer to inner shelf areas.