Data from 50 sonobuoys were recorded over the Capel and Faust Basins, 800 km east of Australia, during a 2006 seismic survey for Geoscience Australia. The data were interpreted and forward modelled by ray-tracing to estimate P-wave velocities in the upper sedimentary section and constrain sediment thickness. Gravity and magnetic anomaly data were also recorded, providing additional constraints for velocity models.
Use Cases
- Model sediment thickness based on P-wave velocity estimates from ray-tracing.
- Analyze gravity anomalies to constrain subsurface velocity models.
- Interpret seismic reflection data using velocity ranges from four model layers.
- Map geological features by comparing gravity models to depth-converted seismic lines.
Strengths
- Data from 50 sonobuoys provides multiple measurement points.
- Velocity ranges for four subsurface layers are specified (e.g., 1.9, 2.3-3.0, 3.6-4.7, 5-5.3 km/s).
- Includes complementary gravity and magnetic anomaly data alongside seismic reflection data.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Data is from a single 2006 survey; temporal coverage is limited.
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Data recorded during the GA302 seismic survey for Geoscience Australia's Big New Oil programme.
- Time Range
- 2006
- Freshness
- Last updated 2026-04-16 15:25:31.483767; freshness should be verified.
- Geography
- Capel and Faust Basins, 800 km east of Australia, water depths 1500-2000 m.