NSW Distinctive Land Surface Areas Including Intertidal Flats

Distinctive Land Surface Area is a polygon feature class defining Distinctive Land Surface features of discrete extent for New South Wales. Data includes features such as Intertidal Flats, which are parts of an estuary or sea bed exposed between Mean High Water and the approximate lowest tide. The dataset is provided by Spatial Services, a business unit of the Department of Customer Service NSW, and aligns with the national GDA2020 spatial reference standard.

Use Cases

• Coastal zone management planning based on mapped intertidal flat areas.
• Environmental impact assessment using defined land surface feature extents.
• Cartographic base layer creation for thematic maps of NSW physiography.
• Spatial analysis of landform distribution and relationships with other Foundation Spatial Data Framework themes.

Strengths

• Dataset is aligned with the national GDA2020 spatial reference standard, improving accuracy and compatibility.
• Positional accuracy is defined per the National Mapping Council of Australia standards, with specific tolerances for different map scales (e.g., 0.25m at 1:500 scale).
• Maintains positional relationship and alignment with multiple themes from the NSW Foundation Spatial Data Framework.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data currency is listed as 01/01/3000, which is likely a placeholder and obscures actual temporal coverage.

Provenance

Source

Spatial Services (Department of Customer Service NSW)

Collection Method

Digitised from the best available cadastral mapping at scales ranging from 1:500 to 1:250,000.

Freshness

Last updated 2026-05-18 00:28:36.960008; freshness should be verified.

Geography

New South Wales, Australia