Surface Hydrology Polygons for Australia Including Watercourses and Reservoirs

The dataset presents the spatial locations of surface hydrology polygon features across Australia. It includes natural and man-made geographic features such as watercourse areas, swamps, reservoirs, and canals. The data is provided by Geoscience Australia and was last updated on 2026-05-14.

Use Cases

• Modeling continental water flow networks based on topological connections between polygon and line features.
• Mapping the distribution of water bodies such as swamps and reservoirs across Australia.
• Analyzing surface water resources for environmental planning based on the national-scale hydrology data.

Strengths

• Covers the entire continental area of Australia at a national scale.
• Includes both natural and man-made hydrology features such as watercourses, swamps, reservoirs, and canals.
• Forms a complete flow path network by topologically connecting with hydrology line features.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Geoscience Australia Data

Freshness

Last updated 2026-05-14 04:13:28.064832; freshness should be verified.

Geography

Australia