Australia's maritime jurisdiction map depicts the extended continental shelf and various maritime zones around Heard Island and McDonald Islands, including a portion of the Australian Antarctic Territory. It is one of 27 constituent maps in the 'Australia's Maritime Jurisdiction Map Series' (GeoCat 71789), created using a Mercator projection and WGS84 datum. The map's background uses bathymetric data from Smith and Sandwell (1997) and land imagery from NASA's Blue Marble.
Use Cases
- Define maritime boundaries based on the depiction of Australia's extended continental shelf.
- Analyze bathymetric features using the background grid derived from Smith and Sandwell, 1997.
- Reference treaty-defined zones for legal or diplomatic purposes based on the depicted maritime zones.
- Create composite maps of Antarctic regions using this map as one of 27 in the series.
Strengths
- Map is part of a standardized series of 27 constituent maps, suggesting consistent methodology.
- Background imagery is derived from authoritative sources: a grid by Smith and Sandwell (1997) and NASA's Blue Marble.
- Spatial reference is clearly defined with Mercator Projection, WGS84 Datum, Central Meridian 76°E, and True Scale at 58°S.
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.
Provenance
- Source
- Australian Ocean Data Network via data_gov_au
- Collection Method
- Likely compiled from official maritime treaties, continental shelf submissions, and geospatial data sources.
- Time Range
- The extended continental shelf was approved by the Commission on the Limits of the Continental Shelf in April 2008.
- Freshness
- Last updated 2026-06-16 18:43:05.383687; freshness should be verified.
- Geography
- Heard Island and McDonald Islands, including a portion of the Australian Antarctic Territory (AAT).