Australia's Maritime Jurisdiction Map for Heard and McDonald Islands

A map depicting Australia's maritime jurisdiction 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). The map shows the extended continental shelf approved by the Commission on the Limits of the Continental Shelf in April 2008, treaties, and various maritime zones.

Use Cases

• Analyze maritime boundaries and exclusive economic zones based on the depicted jurisdiction zones.
• Study the extent of Australia's extended continental shelf claim based on the 2008 CLCS approval.
• Use the bathymetric background for oceanographic or geological research in the Southern Ocean region.
• Reference treaty-defined maritime zones for legal or diplomatic analysis.

Strengths

• Part of a standardized series of 27 maps covering Australia's maritime jurisdiction.
• Based on authoritative sources including a 2008 CLCS approval and official treaties.
• Uses a defined Lambert Conformal Conic Projection with WGS84 Datum and specified central meridian and parallels.

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.
• Data may reflect geographic or source bias inherent to data_gov_au.

Provenance

Source

Australian Ocean Data Network

Collection Method

Derived from official maritime boundary determinations, treaties, and background imagery from Smith and Sandwell (1997) and NASA Blue Marble.

Time Range

The depicted continental shelf claim was approved in April 2008.

Freshness

Last updated 2026-06-04 08:04:16.583668; freshness should be verified.

Geography

Heard Island and McDonald Islands, Australian Antarctic Territory, Southern Ocean.