@prefix dcat: . @prefix dct: . @prefix foaf: . @prefix xsd: . a dcat:Dataset ; dct:description """

NSW Administrative Boundaries Theme - ABS Statistical Areas Level 4

Please Note
WGS 84 service aligned to GDA94
This dataset has spatial reference [WGS 84 ≈ GDA94] which may result in misalignments when viewed in GDA2020 environments. A similar service with a ‘multiCRS’ suffix is available which can support GDA2020, GDA94 and WGS 84 ≈ GDA2020 environments.
In due course, and allowing time for user feedback and testing, it is intended that the original service name will adopt the new multiCRS functionally.

The Australian Statistical Geography Standard (ASGS) brings together in one framework all the regions which the Australian Bureau of Statistics (ABS) and many other organisations use to collect, release and analyse geographically classified statistics.

The ASGS ensures that these statistics are comparable and geospatially integrated and provides users with a coherent set of standard regions so that they can access, visualise, analyse and understand statistics.

The 2016 ASGS will be used for the 2016 Census of Population and Housing and progressively introduced into other ABS data collections.

The ABS encourages the use of the ASGS by other organisations to improve the comparability and usefulness of statistics generally, and in analysis and visualisation of statistical and other data.

The ABS Structures are a hierarchy of regions developed for the release of ABS statistical information. The main components are as follows:

· Statistical Areas Level 1

· Statistical Areas Level 2

· Statistical Areas Level 3

· Statistical Areas Level 4

· Regional Boundaries (Local Government Area, Suburb)

The Australian Bureau of Statistics Geographical Standard Boundaries, Statistical Areas are used to define geographical areas to support statistical and socio-economic analysis at a state and regional scale. They are useful for analytical purposes within statistical boundaries through the aggregation of a wide swath of data and information.

The ABS maintains the Australian Statistical Geography Standard (ASGS) and the Australian Standard Geographical Classification (ASGC) for pre-2011 census information.

In addition to the NSW Administrative Boundaries Theme Australian Bureau of Statistics also provides this data via a web service direct from ABS.

Further standards, specifications and classifications can be found at:

Australian Bureau of Statistics Standards

Australian Bureau of Statistics Classifications

The regions defined in the ABS Structures will not change until the next Census in 2021. The Non-ABS Structures are updated only when the ABS considers that there are major changes to the administrative boundaries they represent.

Metadata

Type	Esri Feature Service
Update Frequency	As required
Contact Details	Australian Bureau of Statistics 1300 135 070 Customised Data and Information on 1300 135 070
Relationship to Themes and Datasets	Administrative Boundaries Theme of the Foundation Spatial Data Framework (FSDF)
Accuracy	The dataset maintains a positional relationship to, and alignment with, the Lot and Property digital datasets. This dataset was captured by digitising the best available cadastral mapping at a variety of scales and accuracies, ranging from 1:500 to 1:250 000 according to the National Mapping Council of Australia, Standards of Map Accuracy (1975). Therefore, the position of the feature instance will be within 0.5mm at map scale for 90% of the well-defined points. That is, 1:500 = 0.25m, 1:2000 = 1m, 1:4000 = 2m, 1:25000 = 12.5m, 1:50000 = 25m and 1:100000 = 50m. A program of positional upgrade (accuracy improvement) is currently underway.
Spatial Reference System (dataset)	Geocentric Datum of Australia 1994 (GDA94), Australian Height Datum (AHD)
Spatial Reference System    (web service)	EPSG 4326: WGS 84 Geographic 2D
WGS 84 Equivalent To	GDA94 & GDA2020
Spatial Extent	Full State
Standards and Specifications	Open Geospatial Consortium (OGC) implemented and compatible for consumption by common GIS platforms. Continued spatial upgrades of Administrative Boundaries data. Enhanced access to boundaries via online mechanisms. Further standards, specifications and classifications can be found at: Australian Bureau of Statistics Standards Australian Bureau of Statistics Classifications
Distributors	Customer Experience & Insights, DCS Spatial Services 346 Panorama Ave Bathurst NSW 2795
Dataset Producers and Contributors	Australian Bureau of Statistics, ABS House, Locked Bag 10, Belconnen ACT 2616

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