One of 27 constituent maps in the 'Australia's Maritime Jurisdiction Map Series' (GeoCat 71789). The map depicts Australia's continental shelf as proclaimed in the 2012 proclamation under the Seas and Submerged Lands Act 1973, updated in April 2021 to conform with Geoscience Australia's 'Australian Maritime Boundaries 2020' data. It is an A0-sized PDF downloadable from the web, with background imagery derived from bathymetric grids and NASA's Blue Marble.
Use Cases
- Analyze maritime legal boundaries based on the proclaimed continental shelf limits.
- Create reference maps for maritime jurisdiction based on the official 2020 boundary data.
- Study bathymetric and topographic features of the Australian continental margin based on the combined background grid data.
Strengths
- Part of a standardized series of 27 official maps (GeoCat 71789).
- Updated in April 2021 to conform with authoritative 'Australian Maritime Boundaries 2020' data.
- Background imagery combines high-resolution bathymetric and topographic grids with NASA land imagery.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Data may reflect geographic bias inherent to data_gov_au, focusing only on the Australian continent and excluding territories.
Provenance
- Source
- Geoscience Australia, via the Australian Ocean Data Network.
- Collection Method
- Derived from official legal proclamations and geospatial data products.
- Time Range
- Reflects boundaries as of 2020, updated in 2021.
- Freshness
- Last updated 2026-04-10 21:41:43.446019; freshness should be verified.
- Geography
- Australia's maritime jurisdiction around the Australian continent.