The continental shelf varies in width from 72 km east of Newcastle to 17 km east of Montague Island. It is described by inner, middle, and outer shelf zones distinguished by morphology and sediment type, with three groups of terraces and ten submarine canyons. Surface sediments are dominantly terrigenous in shallow depths, with carbonate components increasing eastwards.
Use Cases
- Model shelf morphology based on described inner, middle, and outer shelf zones
- Analyze sediment distribution patterns based on terrigenous and carbonate components
- Map submarine canyon features based on the ten canyons south of Jervis Bay
- Study basement structure correlations based on the relationship between shelf break depth and basement depth
Strengths
- Description provides specific geographic extents (Sugarloaf Point to Gabo Island) and shelf width variations (72 km to 17 km)
- Detailed morphological classification includes three shelf zones and three groups of terraces
- Identifies ten submarine canyons and sediment composition changes with depth
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 data_gov_au
Provenance
- Source
- Australian Ocean Data Network
- Freshness
- Last updated 2026-04-16 15:55:58.443875; freshness should be verified
- Geography
- Continental shelf off southeast Australia between Sugarloaf Point and Gabo Island, New South Wales