Australian Bathymetry and Topography Grid at 0.0025 Degree Resolution

Australian topography and bathymetry data covering the Australian landmass and adjoining Exclusive Economic Zone. The 2009 bathymetry data were compiled by Geoscience Australia from multibeam and single beam sources, while topography is based on a revised 0.0025 degree grid and other sources. The grid blends high-resolution direct observations with lower-resolution satellite-derived bathymetry in deeper waters.

Use Cases

• Modeling coastal erosion and inundation based on integrated land-sea elevation data.
• Creating marine habitat maps using high-resolution bathymetric data from swath surveys.
• Analyzing continental shelf morphology based on compiled multibeam and single beam soundings.
• Generating regional topographic visualizations using the revised 0.0025 degree onshore grid.

Strengths

• Integrates high-resolution (0.0025 degree) bathymetry and topography data for a continuous land-sea model.
• Compiled by Geoscience Australia, a national geological survey, suggesting authoritative sourcing.
• Blends direct observations (multibeam, digitized charts) with satellite-derived data (ETOPO, SRTM) for comprehensive coverage.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• The area excludes data from Australia's marine jurisdiction offshore from the Territory of Heard and McDonald Islands and the Australian Antarctic Territory.

Provenance

Source

Geoscience Australia Data

Collection Method

Compiled from multibeam, single beam, digitized chart, and satellite-derived sources.

Time Range

Bathymetry data from 2009 compilation; source data spans multiple years.

Freshness

Last updated 2026-05-14 04:43:11.787667; freshness should be verified.

Geography

Australia and adjoining Exclusive Economic Zone.