NSW Distinctive Land Surface Lines: Levee Features in GDA2020
Updated 17d ago
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Description
A line feature class defining Distinctive Land Surface features of discrete extent for New South Wales, Australia. The dataset is provided by Spatial Services, a business unit of the Department of Customer Service NSW, and was initially published on 07/02/2020. It includes subtypes such as 'Levee', defined as an artificial bank for surface water diversion.
Use Cases
Map artificial water diversion structures based on the 'Levee' subtype.
Analyze land surface features for environmental planning based on the 'Distinctive Land Surface' classification.
Integrate physiographic data with other themes like transport and water for foundational spatial analysis.
Update legacy GDA94 spatial projects to the modern GDA2020 standard for improved accuracy.
Strengths
Aligns with the national GDA2020 standard, improving positional accuracy and compatibility.
Maintains positional relationship with multiple NSW Foundation Spatial Data Framework themes.
Provides a specific accuracy tolerance based on map scale, ranging from 0.25m at 1:500 to 50m at 1:100,000.
Limitations
Column-level documentation is absent; field semantics must be inferred after download.
Row count is unknown, which may limit suitability assessment.
Data may reflect geographic bias inherent to data_gov_au, being specific to NSW.
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
Data currency is listed as 01/01/3000, indicating a planned long-term validity, but the service was updated to GDA2020 recently.
Geography
Full State of New South Wales, Australia
License is unknown; users should verify terms via the provided attribution link to spatial.nsw.gov.au.