AGSO produced digital grids for bathymetry, gravity, and magnetic fields covering the southwest quadrant of Australia (24-46S, 106-140E). The dataset integrates land, marine, and satellite data through a network adjustment of marine ship-track data. This work was done in cooperation with Desmond Fitzgerald & Associates and the Australian Hydrographic Office.
Use Cases
- Model seafloor topography based on integrated bathymetric data from ship-tracks and satellite sources.
- Analyze crustal density variations based on the gravity field grids derived from land and marine data.
- Map magnetic anomalies for geological interpretation based on the magnetic field grids.
- Conduct integrated geophysical studies based on the co-registered bathymetry, gravity, and magnetic grids.
Strengths
- Covers a large geographic region (24-46S, 106-140E).
- Integrates multiple data sources: land, marine, and satellite.
- Data processing involved a network adjustment on marine ship-track data.
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 southwest Australia region.
Provenance
- Source
- Australian Geological Survey Organisation (AGSO), now Geoscience Australia.
- Collection Method
- Network adjustment performed on marine ship-track data combined with onshore and satellite-derived data.
- Time Range
- null
- Freshness
- Last updated 2026-03-25 16:19:37.475676; freshness should be verified.
- Geography
- Southwest quadrant of Australia (24 - 46S, 106-140E).