Seabed Environments of the Eastern Joseph Bonaparte Gulf, Northern Australia

A seabed mapping survey over carbonate banks and sediment plains on the Van Diemen Rise collected detailed geological and biological data. The survey obtained 100% multibeam sonar coverage across four study areas, supplemented by samples from 63 stations and 340 line-km of sub-bottom profiles. Geoscience Australia and the Australian Institute of Marine Science collaborated to investigate the region's late-Quaternary evolution and relationships between the physical environment and biota.

Use Cases

• Modeling biodiversity surrogates based on sedimentological and geochemical data.
• Analyzing late-Quaternary seabed evolution using multibeam sonar and sub-bottom profile data.
• Investigating relationships between benthic community structure and physical environmental factors.
• Placing regional benthos biodiversity into a broader Arafura-Timor Sea biogeographic context.
• Studying sediment transport dynamics using collected oceanographic wave, tide, and current data.

Strengths

• 100% multibeam sonar coverage of the seabed for each of the four study areas.
• Data integrates geological (sedimentological, geochemical, geophysical) and biological (macro-benthic, infaunal) samples from 63 stations.
• Includes 1,154 square kilometres of multibeam sonar data and 340 line-km of shallow sub-bottom profiles.
• Uses a novel approach with geochemical data for sediment and water quality surrogacy research.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to the specific study areas in the Joseph Bonaparte Gulf.

Provenance

Source

Geoscience Australia Data

Collection Method

Seabed mapping survey using multibeam sonar, supplemented with geological/biological sampling and oceanographic data collection.

Freshness

Last updated 2026-04-20 03:22:46.636241; freshness should be verified.

Geography

Eastern Joseph Bonaparte Gulf, Van Diemen Rise, Northern Australia, Arafura-Timor Sea region.