Surface Hydrology Polygons of Australia, National Scale

Australia's surface hydrology at a national scale, representing natural and man-made water features. The dataset includes watercourse areas, swamps, reservoirs, and canals, forming a complete topological flow path network for the continent. It is provided by the Australian Ocean Data Network and was last updated in April 2026.

Use Cases

• Modeling continental water flow networks based on topological connectivity of polygon and line features.
• Mapping and analyzing the distribution of water bodies like swamps and reservoirs across Australia.
• Assessing human impact on hydrology based on the inclusion of man-made features such as canals.
• Integrating with line feature datasets to create a complete national hydrological network.

Strengths

• Covers the entire continental area of Australia at a national scale.
• Includes both natural features (e.g., swamps) and man-made features (e.g., canals, reservoirs).
• Topologically connects with hydrology line features to form a complete flow path network.

Limitations

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

Provenance

Source

Australian Ocean Data Network

Collection Method

Spatial data collection and aggregation, likely from government sources.

Time Range

null

Freshness

Last updated 2026-04-10 18:57:58.930416; freshness should be verified.

Geography

Continental Australia