A seabed mapping survey covering 1,154 square kilometres with multibeam sonar provides 100% seabed coverage for four study areas on the Van Diemen Rise. The survey, conducted by Geoscience Australia and the Australian Institute of Marine Science, collected geological, biological, and oceanographic data from 63 stations to investigate relationships between the physical environment and marine biota. It also includes 340 line-km of sub-bottom profiles and aims to establish the late-Quaternary evolution of the region.
Use Cases
- Modeling seabed habitat and biodiversity based on combined geological and biological data.
- Investigating sediment transport dynamics based on collected oceanographic wave, tide, and current data.
- Conducting surrogacy research for environmental assessment based on geochemical sediment and water quality data.
- Placing benthic biodiversity into a biogeographic context for the Arafura-Timor Sea region.
Strengths
- Provides 100% seabed coverage via multibeam sonar for four distinct study areas.
- Integrates multiple data types (geological, geochemical, geophysical, biological, oceanographic) from 63 stations.
- Covers a substantial 1,154 square kilometre area with additional sub-bottom profiling.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Data files are in HTML and PDF formats, which may require extraction for analysis.
Provenance
- Source
- Australian Ocean Data Network, from a survey by Geoscience Australia and the Australian Institute of Marine Science.
- Collection Method
- Marine survey using multibeam sonar, sub-bottom profiling, and station sampling for geological, biological, and oceanographic data.
- Time Range
- null
- Freshness
- Last updated 2026-06 27 21:10:44.314048; freshness should be verified.
- Geography
- Eastern Joseph Bonaparte Gulf, Van Diemen Rise, Northern Australia, Arafura-Timor Sea region.