Purpose:This data is primarily used by council and its contractors in identifying the location of the asset.Lineage:This data was a product of consolidating legacy GIS datasets from the previous regional council and seven city and district councils. Since amalgamation in 2010, the data has been updated by Asset Management teams. Polygon data is digitised from urban aerial photographs and from asset as-built drawings; positional accuracy is around 50cm. Attribute information is field validated by inspections during park audits and asset turnover process.Creation Date:1/04/2012Update Cycle:Daily

This map contains the DEM for LiDAR data in the Auckland Region. Auckland southern region: LiDAR was captured for Auckland Council by AAM New Zealand between September 2016 to June 2017. Auckland northern region: LiDAR was captured for Auckland Council by Aerial Surveys from 16 August 2016 to 9 August 2018. Data management and distribution is by Toitū Te Whenua Land Information New Zealand. 1 metre DEMPulse density specification is at a minimum of 4 pulses/square metreVertical Accuracy Specification is +/- 0.2mHorizontal Accuracy Specification is +/- 0.6m (95%).Vertical datum is NZVD2016.Other links: Aotearoa New Zealand HIllshadeNZ Topographic Relief (Vector)NZ ElevationNZ DSM Hillshade

A layer file for the Auckland Council Unitary Plan Base Zone dataset. Download this file in conjunction with the Unitary Plan Base Zone.

Orthophotography for the Auckland Council taken during 2012. Coverage encompassed selected urban areas within the Auckland Council area.

Imagery was captured for ‘Auckland Council’ by NZ Aerial Mapping Ltd, 208 Warren Street, PO Box 6, Hastings 4156, New Zealand.

Data has subsequently been provided to LINZ and this comprises: •185 x ortho-rectified RGB GeoTIFF images in NZTM projection, tiled into the LINZ Standard 1:1,000 tile layout •Tile layout in NZTM projection containing relevant information.

The supplied imagery is in terms of New Zealand Transverse Mercator (NZTM) map projection. The products are tiled into NZTopo50 1:1,000 tiles. Please refer to the supplied tile layout shape file for specific details, naming conventions, etc.

Imagery supplied as 7.5cm pixel resolution (0.075m GSD), 3-band (RGB) uncompressed GeoTIFF. The final spatial accuracy is +/-0.3m (@ 90% confidence).

Index tiles for this dataset are available as layer Auckland 0.075m Urban Aerial Photos Index Tiles (2012).

This dataset includes geotechnical reports available throughout Auckland Council systems. Geotechnical reports are written by suitably qualified and experienced geotechnical engineers or engineering geologists and include information on ground quality and subsurface geology. They are generally undertaken for infrastructure and building development or land use planningGeotechnical reports are received by council as part of consent applications, and are stored on the related property file. For each legacy council these records were located with the help of the document management team. Although spatial data was generated by property, the final database is not tagged to property parcels. Where feasible, detailed location polygons were generated using site maps available in the individual reports. In addition, some geotechnical reports are received by council for our own projects. These are also provided where available.This database was August 2020. All reports are available either on the Geotechnical Sharepoint or on ACCORD. Editing of this dataset can be done with the approval of Ross Roberts. geotechnical reports (i.e. tag them as Geotech and edit the GIS geometr, or a secondary process mayautomatically created property based geometry). Report data will be stored in OpenText/Accord, and will be flagged in SAPLineage: Data was extracted from legacy council databases sourced from:ACC/FDC Filenet ReportsNSCC Dataworks ReportsWCC Pathway ReportsRDC Pathway ReportsMCC Alchemy ReportsSAP Reports (2015-2019)ACGD Partner Reports (Watercare)These were evaluated to remove duplicate records, and associated with property records. Using property records a process was created for a one off load of the data (Geospatial team) using the property boundaries to create a base geometry. As one area may have several reports a separate related table was created to hold summary details of the reports. (Geotechnical Report Details)As some reports were not property based areas were manually digitised to indicate the extent of the report area.Future updates:As at this date the data is not yet updated - though it is intended that:The database will be updated whenever a new report is received. When a geotechnical report comes into council as part of a resource or building consent, the SAP team will need to follow the SAP protocol for In addition, new consent applications with geotechnical reports will be added, as will geotechnical reports undertaken for Auckland Council projects. Reports from other sources (e.g. CCOs, other crown entities) may be added where appropriate.

Orthophotography over Auckland City taken in the flying season (summer period) 2015 -16.

Imagery was captured for the ‘Auckland Council’ by AAM NZ Limited, 6 Ossian St, NAPIER, New Zealand.

Data has subsequently been provided to LINZ and this comprises: • 4,835 x ortho-rectified RGB GeoTIFF images in NZTM projection, tiled into the LINZ Standard 1:1,000 tile layout •Tile layout in NZTM projection containing relevant information.

The supplied imagery is in terms of New Zealand Transverse Mercator (NZTM) map projection. The products are tiled into NZTopo50 1:1,000 tiles. Please refer to the supplied tile layout shape file for specific details, naming conventions, etc.

Imagery supplied as 7.5cm pixel resolution (0.075m GSD), 3-band (RGB) uncompressed GeoTIFF. The final spatial accuracy is +/- 15 cm.

Index tiles for this dataset are available as layer Auckland 0.075m Urban Aerial Photos Index Tiles (2015-16)

This layer contains the index tiles for LiDAR data from the Auckland region captured in 2013. The DEM is available as layer Auckland LiDAR 1m DEM (2013). The DSM is available as layer Auckland LiDAR 1m DSM (2013). The LAS point cloud and vendor project reports are available from OpenTopography.

Lidar was captured for Auckland Council by NZ Aerial Mapping & Aerial Surveying Limited. The capture of the data commenced on 17th July and was completed by the 23 November 2013. The datasets were generated by both ASL and NZAM. All raw point cloud data was produced by NZAM & ASL prior to data being sent to Genesys International for the data classification and product generation. The survey area includes the Auckland city urban area and adjacent rural land covering approximately 2250 square kilometers. Data management and distribution external to Auckland Council is managed by Toitū Te Whenua Land Information New Zealand.

Data comprises: •DEM: 6423 asc files in NZTM projection, tiled into a 1:1,000 tile layout •DSM: 6423 asc files in NZTM projection, tiled into a 1:1,000 tile layout •Pont cloud: 8224 las files in NZTM projection, tiled into a 1:1,000 tile layout

Data was collected at > 1.5 point/square metre point density. Attributes include: -Elevation -Intensity values -Return number -Adjusted GPS time -Classification

Vertical accuracy specification is +/-0.2m (@ 95% confidence) Horizontal accuracy specification is +/-0.6m (@ 95% confidence)

Vertical Datum is NZVD2009

Seven legacy systems were migrated to Auckland Council’s GIS environment where the creation of new assets and maintenance of existing assets are now being undertaken. Using asbuilts sent to the stormwater team from development engineers and/or internal projects, the geometry and attributes of stormwater assets are captured using standard ArcGIS editing functionality. Whilst due care has been taken to capture the assets as accurately as possible, the data is indicative and cannot be considered to align to any particular boundaries or features including cadastral.

This dataset is the definitive version of the annually released regional council boundaries as at 1 January 2023 as defined by regional councils and/or Local Government Commission, and maintained by Stats NZ (the custodian). This version contains 16 regional councils and area outside region (Chatham Islands Territory).

​

This dataset is the definitive version of the annually released regional council boundaries as at 1 January 2023 as defined by regional councils and/or Local Government Commission, and maintained by Stats NZ (the custodian). This version contains 16 regional councils and area outside region (Chatham Islands Territory). The annual boundaries are used for the full calendar year from 1 January. The annual update may have no changes from the previous release.

​

The regional council is the top tier of local government in New Zealand. Regional councils are defined under schedule 2, part 1 of the Local Government Act 2002. They were established in November 1989 after the abolition of the 22 local government regions. Regional council boundaries must coincide with meshblock boundaries under schedule 3, clause 17 of the Local Government Act 2002.

​

Regional council boundaries are based largely on water catchments, such as rivers, lakes, and harbours. The seaward boundary of the regions is the 12 mile (19.3km) New Zealand territorial limit. In determining regions, consideration was also given to regional communities of interest, natural resource management, land use planning, and environmental matters.

​

There are 16 regions which cover every territorial authority in New Zealand, with the exception of the Chatham Islands Territory (included in 99 Area Outside Region). Five regions are administered as unitary authorities, which function as both regional council and territorial authority. These unitary authorities are Auckland Council, Nelson City Council, and Gisborne, Tasman, and Marlborough District Councils. The Chatham Islands Council also performs some of the functions of a regional council but is not strictly a unitary authority. Unitary authorities act as regional councils for legislative purposes. Regional councils are responsible for administrating many environmental and transport matters, such as land transport planning and harbour navigation and safety.

​

Some regional council boundaries are coterminous with territorial authority boundaries, but there are several exceptions. An example is Taupo District, which is geographically split between four regions, although most of its area falls within the Waikato Region. Where territorial authorities straddle regional council boundaries, the affected area is statistically defined by complete regional councils. In general, however, regional councils contain complete territorial authorities.

​

Auckland Council unitary authority was formed in 2010, under the Local Government (Tamaki Makarau Reorganisation) Act 2009, replacing the Auckland Regional Council and seven territorial authorities.

​

Regional councils are defined at meshblock level. Statistical area 1 and statistical area 2 geographies nest within regional council boundaries.

​

Numbering

The standard classification of regional council is a flat classification and contains 17 categories (including ‘99 Area Outside Region’).

​

Generalised version

This generalised version has been simplified for rapid drawing and is designed for thematic or web mapping purposes.

​

Macrons

Names are provided with and without tohutō/macrons. The column name for those without macrons is suffixed ‘ascii’.

​

Digital data

Digital boundary data became freely available on 1 July 2007.

​

To download geographic classifications in table formats such as CSV please use Ariā

The Taupo District Council possesses ownership and oversight of a broad spectrum of land holdings, comprising commercial, urban, rural, residential, and reserve zones. These properties play an integral role in the district's infrastructure and advancement, serving multifaceted purposes that contribute to the well-being of both the local populace and external stakeholders.Commercial land encompasses designated areas tailored for business enterprises, retail hubs, and other commercial endeavours, serving as pivotal drivers for economic progress and investment attraction. Urban land encompasses indispensable spaces essential for the operation and expansion of urban locales, including public facilities and structures.Residential land provides a spectrum of housing opportunities, catering to diverse demographic needs, from accommodations for senior citizens to upscale residences, thereby fostering community stability and expansion. The district also boasts an array of reserves, encompassing parks and natural preserves, crucial for environmental conservation efforts and recreational pursuits.The Council undertakes the stewardship of these diverse land holdings, with a commitment to preserving their innate beauty and ecological significance, ensuring accessibility and enjoyment for all. Furthermore, the Council administers land on behalf of various external entities, fostering collaborative relationships that yield mutual benefits for the broader community.Through its conscientious management of these varied land typologies, the Council endeavours to uphold the district's vibrancy, sustainability, and inclusivity, thereby cultivating an environment conducive to living, working, and visiting.

Orthophotography within the Auckland Region captured in January and February 2022. Coverage encompasses selected rural areas north, west and south west of Auckland and parts of the Hauraki Gulf / Tīkapa Moana.

Imagery was captured for Auckland Council by AAM NZ Ltd, 6 Ossian St, Napier, New Zealand.

Data comprises: • 5620 ortho-rectified RGB GeoTIFF images in NZTM projection, tiled into the LINZ Standard 1:1000 tile layout • Tile layout in NZTM projection containing relevant information.

The supplied imagery is in terms of New Zealand Transverse Mercator (NZTM) map projection. Please refer to the tile index layer for specific details, naming conventions, etc.

Imagery supplied as 7.5cm pixel resolution (0.075m GSD), 3-band (RGB) uncompressed GeoTIFF. The final spatial accuracy is ±0.15m at 95% confidence level in clear flat areas.

Index tiles for this dataset are available as layer Auckland 0.075m Rural Aerial Photos Index Tiles (2022)

This layer contains the DEM for LiDAR data in the northern Auckland Region captured between 2016 and 2018.

• The DSM is available as layer Auckland North LiDAR 1m DSM (2016-2018).

• The index tiles are available as layer Auckland North LiDAR Index Tiles (2016-2018).

• The LAS point cloud and vendor project reports are available from OpenTopography.

LiDAR was captured for Auckland Council by Aerial Surveys from 16 August 2016 to 9 August 2018. These datasets were generated by Aerial Surveys and their subcontractors. Data management and distribution is by Toitū Te Whenua Land Information New Zealand.

Data comprises:

• DEM: tif or asc tiles in NZTM2000 projection, tiled into a 1:1,000 tile layout

• DSM: tif or asc tiles in NZTM2000 projection, tiled into a 1:1,000 tile layout

• Point cloud: las tiles in NZTM2000 projection, tiled into a 1:1,000 tile layout

Pulse density specification is at a minimum of 4 pulses/square metre.

Vertical Accuracy Specification is +/- 0.2m (95%).

Horizontal Accuracy Specification is +/- 0.6m (95%).

Vertical datum is NZVD2016.

This dataset is the definitive set of annually released territorial authority boundaries for 2022 as defined the territorial authorities and/or Local Government Commission and maintained by Stats NZ (the custodian). This version contains 68 features.

A territorial authority is defined under the Local Government Act 2002 as a city or a district council. There are 67 territorial authorities in New Zealand. Territorial authorities are the second tier of local government in New Zealand, below regional councils. The 67 territorial authorities comprise 13 city councils including the Auckland council, 53 district councils, and the Chatham Islands Territory.

Territorial authorities are defined at meshblock level. Statistical area 1 and statistical area 2 geographies nest within territorial authority boundaries

Names are provided with and without tohutō/macrons. The name field without macrons is suffixed ‘ASCII’. This generalised version has been simplified for rapid drawing and is designed for thematic or web mapping purposes. Digital boundary data became freely available on 1 July 2007.

This dataset is the definitive version of the annually released territorial authority boundaries as at 1 January 2023 as defined by territorial authorities and/or Local Government Commission, and maintained by Stats NZ (the custodian). This version contains 67 territorial authorities, excluding ‘area outside territorial authority’.

​

Territorial authorities are the second tier of local government in New Zealand, below regional councils. They are defined under schedule 2, part 1 of the Local Government Act 2002 as city councils or district councils. Territorial authorities were established in 1989 when 205 territorial local authorities were replaced by 75 territorial authorities. Territorial boundaries must coincide with meshblock boundaries under schedule 3, clause 17 of the Local Government Act 2002.

​

There are 67 territorial authorities: 12 city councils, 53 district councils, Auckland Council, and Chatham Islands Council. Five territorial authorities (Auckland Council, Nelson City Council, and the Gisborne, Tasman, and Marlborough district councils) also perform the functions of a regional council and are therefore unitary authorities. The Chatham Islands Council performs some regional council functions.

​

Some territorial authority boundaries are coterminous with regional council boundaries but there are several exceptions. An example is Taupo District, which is split between four regions, although most of its area falls within the Waikato Region. When defining the boundaries of territorial authorities, the Local Government Commission bases considerable weight on the ‘community of interest’.

​

Territorial authorities are defined at meshblock level. Statistical area 1, statistical area 2 and statistical area 3 geographies nest within territorial authority boundaries.

​

Maintenance

Local government boundaries may be changed through the Local Government Act 2002, an Act of Parliament, or a natural process such as the middle line of a river changing its natural course.

​

The Territorial Authority classification is released annually on 1 January to coincide with the update of meshblocks, but there are not always changes from the previous classification.

​

1989:

New Zealand’s local government structural arrangements were significantly reformed by the Local Government Commission in 1989. Prior to reformation there were 205 territorial local authorities: 28 cities, 78 boroughs, 67 counties, 31 districts, and 1 town district, as well as a multitude of ad-hoc authorities such as pest control boards, drainage boards, catchment boards, and domain and reserve boards.

​

These were replaced by 74 territorial local authorities, 15 of which were cities and 58 districts. The exception was Chatham Islands County which retained its county status.

​

1990:

Invercargill was proclaimed a city.

​

1992:

Nelson-Marlborough Regional Council was abolished by a Local Government Amendment Act. Kaikoura District was transferred to the Canterbury Region. Nelson City, and Tasman and Marlborough districts became unitary authorities.

​

1995:

The Chatham Islands County was dissolved and reconstituted by a specific Act of Parliament as the "Chatham Islands Territory", with powers similar to those of territorial authorities and some functions similar to those of a regional council. This included the addition of territorial sea, a coastal buffer extending to twelve nautical miles from the coastline.

​

1995:

Tasman District boundary extended to align with the Tasman Region boundary at the 12-mile limit.

​

1998:

Not Applicable category changed to Area Outside Territorial Authority

​

2004:

Tauranga District changed to Tauranga City.2006:Banks Peninsula District merged into Christchurch City as a result of a Local Government Commission decision following a 2005 referendum.

​

2010:

Auckland Council established under the Local Government (Tamaki Makaurau Reorganisation) Act 2009. Rodney District, North Shore City, Waitakere City, Auckland City, Manukau City, Papakura District, and Franklin District territorial councils, and the Auckland Regional Council, were abolished to become a unitary authority known as the Auckland Council. The area now consists of one city council (with statutory provision for three Māori councillors), 13 wards, and 21 local boards.

​

2015:

Wanganui District Council name changed to Whanganui District Council effective 1 December 2015.

​

2020:

Otorohanga District Council name amended to Ōtorohanga District Council.

​

Opotiki District Council name amended to Ōpōtiki District Council.

​

Both changes were under schedule 2 of the Local Government Act 2002 and effective 17 January 2020.

​

2021:

A local government reorganisation transferred land between two territorial authorities, Western Bay of Plenty District and Tauranga City. The changes took effect on 19 February 2021 under schedule 3 of the Local Government Act 2002. Refer to the New Zealand Gazette notice for further details.

​

Numbering

The territorial authority classification is a flat classification. Territorial authorities are given a unique three-digit code. The classification contains 68 categories (including ‘999 – Area Outside Territorial Authority’).

​

Generalised version

This generalised version has been simplified for rapid drawing and is designed for thematic or web mapping purposes.

​

Macrons

Names are provided with and without tohutō/macrons. The column name for those without macrons is suffixed ‘ascii’.

​

Digital data

Digital boundary data became freely available on 1 July 2007.

​

To download geographic classifications in table formats such as CSV please use Ariā

Purpose:The coastal inundation hazard layers map describes the areas exposed to extreme water levels caused by storm tides, wave setup and sea-level rise under the following scenarios (where AEP is the Annual Exceedance Probability or the chance of occurring each year, ARI is the Average Recurrence Interval):20% AEP (5 year return)5% AEP (20 year return)2% AEP (50 year return)1% AEP (100 year return): to demonstrate present day risk in alignment with the Auckland Unitary Plan activity controls2% AEP (50 year return) + 1m sea level rise2% AEP (50 year return) + 2m sea level rise1% AEP (100 year return) + 1m sea level rise: in alignment with Auckland Unitary Plan activity controls1% AEP (100 year return) + 2m sea level rise: to demonstrate longer term risk with ongoing sea-level riseThis is a generalised version of the data. Download the original full dataset with layer files here:https://data-aucklandcouncil.opendata.arcgis.com/datasets/coastal-inundation-hazards-geodatabase/aboutThe layer takes into account extreme sea levels calculated between 2013 and 2019, as compiled in Carpenter, N., R Roberts and P Klinac (2020). Auckland’s exposure to coastal inundation by storm-tides and waves. Auckland Council technical report, TR2020/24. Auckland’s exposure to coastal inundation by storm-tides and waves (knowledgeauckland.org.nz)Sea-level rise values applied currently align with the projections by the Intergovernmental Panel on Climate Change sixth assessment report (2021), and the Ministry for the Environment (2022) Interim guidance on the use of new sea-level rise projections, which updates the Ministry for the Environment Coastal Hazards and Climate Change Guidance for Local Government (2017). In MfE’s (2022) Interim guidance, (excluding vertical land movement) one metre sea-level rise is projected to occur between 2095 - >2200, depending on the emission scenario used. Two metre sea-level rise is projected to occur in the longer term (beyond 2150). MfE’s (2022) Interim guidance recommends the inclusion of vertical land movement (VLM) in relative sea level rise considerations. These are not included in the above sea level rise predictions due to the high VLM variability across the region. Vertical land movement is generally predicted to increase the rates of relative sea level rise for the Auckland region so should also be incorporated in planning and design.Refer to Interim guidance on the use of new sea-level rise projections | Ministry for the Environment for more information on MfE’s interim guidance on sea level rise and vertical land movement.Lineage:3Extreme sea levels for the Auckland region were derived by NIWA in 2013 (Part 1 of Technical Report 2020/24). From 2016-2019, additional extreme sea level data was gathered for:The east coast estuaries (NIWA, 2016; Part 2 of Technical Report 2020/24)Parakai/Helensville Harbour (DHI, 2019; Part 3 of Technical Report 2020/24)Great Barrier Island (NIWA, 2019; Part 4 of Technical Report 2020/24)In 2020, these levels were projected onto the land topography (derived from the 2016-2018 LiDAR survey) by Stantec to establish the extent of coastal flooding. Creation Date: 15/12/2020Update Cycle: Adhoc – when improved data becomes availableThis data is available to the public on the Geomaps viewer and is copied into LIMsContact Person: Natasha CarpenterContact Position:Coastal Management Practice Lead, Infrastructure and Environmental ServicesCouncil Contact:Natasha.Carpenter@aucklandcouncil.govt.nzConstraints – General:The Coastal Inundation data is subject to updates to reflect the latest, best available understanding of storm tides, waves and sea-level rise processes.The geodatabase contains a copy of the historic inundation mapping, which is superseded by the publication of the 2020 data. The superseded data is identified by having a validation state of 0, whereas the published data has a validation state of 3 (valid and public).Constraints – Legal: This data is available to the public on the Geomaps viewer and is copied into LIMsConstraints – Security: The Coastal Inundation data is available to the public Under Creative Commons license.

Available cached scale levels.9 - 20 (1:1,155,581 - 1:564)Resampling is being used for levels that aren't cached. Levels 21 - 23 (1:282 - 1:71)Aerial Imagery 24-25 Color Infrared covers aerial images for the Auckland Region in color infrared. Infrared aerial photography involves capturing images using infrared light, which is outside the visible spectrum. This type of photography is useful for a variety of applications, including environmental monitoring, agriculture, and land management. Infrared imagery can reveal details not visible to the naked eye, such as vegetation health, water stress, and temperature variations, making it valuable for assessing plant vitality, detecting heat sources, identifying areas of moisture, and infrastructure conditions, making it invaluable for environmental monitoring and urban planning.Data Acquisition:• Phase 1: Aerial photography was captured over the Auckland region and the Hunua Ranges covering approximately 2,051 km². The data was captured between September 2023 – April 2024.• Phase 2: Aerial photography was captured over the Auckland District, covering approximately 1,949 km². The data was captured between September 2023 – April 2024.• Phase 3: Aerial photography was captured for the Auckland District covering approximately 2,129 km². Data capture took place between March 2024 – April 2025. Ortho Specification• Ortho imagery: Three-band• Spectral resolution: Near-Infrared, Green, Blue• Pixel resolution: 0.075 m GSD (7.5 cm)• Tile index: Tile index for the project area available in GeoMaps• Spatial accuracy: ±0.15 m @ 95% confidence level in clear flat open spaces (2 sigma)• Aligned to LINZ 1:1,000 map sheet layout (480 m x 720 m)• Tiles supplied: 17,739 (1:1,000 map sheet tiles)• Image format: JPEGNote: Auckland Council can provide R-G-B-NIR imagery for the area in GEOTIFF format as well. Please contact us at gis@aklc.govt.nz to request the four-band imagery.The remaining areas that are not part of this product have been captured in 2025 and will be added to this service by end of 2025. Map Projection All spatial data for this project provided in terms of New Zealand Transverse Mercator 2000 map projection (NZTM2000). The ellipsoidal datum is New Zealand Geodetic Datum 2000 (NZGD2000). The airborne GPS and ground control GPS data was converted from ellipsoidal heights into orthometric heights using the LINZ NZGeoid16 separation model. For this project the orthometric vertical datum is New Zealand Vertical Datum 2016 (NZVD2016).EquipmentThe majority of the photography was captured using Vexcel's digital UltraCam Eagle Mark 3 (UCE-3) camera fitted with the 100 mm lens and flown at an altitude of approximately 4,732 ft (1,442 m) with the lowest ground GSD set at 0.075 m. This camera was fitted to a GSM 3000 gyro-stabilised mount and IGI AEROcontrol GNSS/IMU positioning system. Some portions were flown using Vexcel's digital UltraCam Lp (UCLp) camera fitted with the 70 mm lens and flown at an altitude of approximately 2,952 ft (900m).Sun Angle Imagery captured with a minimum sun angle of +40 degrees subject to a 5-degree tolerance when capture is in progress. It was agreed (February 2024) to lower the sun angle to +30 degrees over rural areas and +40 degrees over urban/city areas. The sun angle of the imagery used for the orthorectification ranged from 32 to 59 degrees.Urban Building Displacement Specification Urban 0.075 m GSD imagery using the UCE-3 camera and by flying with 60% forward overlap and with 35% sidelap (standard stereo coverage) will achieve <1 m building lean per 3 m height in the corners of the imagery used. Tall structures inwards of the corner of the frame will have less lean the closer to the nadir they are. <0.37 m building lean per 3 m of height in the corners of the imagery is using increased 80/80 overlap in the CBD area. Very tall buildings have been further straightened using manual techniques. To help reduce building lean in the CBD area additional processing has been applied to produce true orthos for building verticality. Ground Control A combination of existing control and LINZ benchmarks were observed for use with the aerial triangulation and bundle adjustment.DTM for Ortho Production The digital terrain model used for this project was derived from LiDAR DTM data flown in 2015. Outside the LiDAR DTM a new DTM was collected from the 0.075 m GSD stereo imagery using photogrammetric techniques, largely automated pixel matching and autocorrelation process. The DTM data was merged seamlessly and accuracy checked to meet the ortho imagery specification. The DTM was further processed and edited suitable for the ortho production.

Elevation (Topology) of the Mackenzie District generated using 20m contours provided by Land Information New Zealand.This feature layer was created to help students completing the NCEA level 2 or level 3 Geography GIS assessment.

Auckland Urban Heat Assessment provides a highly detailed map of how temperatures vary across Auckland and the factors influencing these temperatures. Temperature predictions were generated using climate modelling tools, data from local climate monitoring stations, high resolution land cover data, and census data. The dataset was generated over a five-month period from 1stNovember 2021 to 31stMarch 2022, which coincided with Auckland's hottest summer on record.The datasets are useful to support communication on heat-related hazards and to inform decision making and planning for future heat impacts. The data is also useful to find synergies in heat and carbon mitigation solutions and to inform climate change risk assessment for Auckland.Further details on methods and findings are available in the technical report on Knowledge Auckland:https://www.knowledgeauckland.org.nz/publications/auckland-uban-heat-assessment-technical-report/The Urban Heat Datasets were produced for Auckland Council by Arup New Zealand Limited.Creation Date: October 2024Update Cycle: AdhocContact Person:Ayushi KachharaSenior Climate Analyst, Chief Sustainability OfficeAuckland Council

Statistical Area 2 2023 update

SA2 2023 is the first major update of the geography since it was first created in 2018. The update is to ensure SA2s are relevant and meet criteria before each five-yearly population and dwelling census. SA2 2023 contains 135 new SA2s. Updates were made to reflect real world change of population and dwelling growth mainly in urban areas, and to make some improvements to their delineation of communities of interest.

​

Description

This dataset is the definitive version of the annually released statistical area 2 (SA2) boundaries as at 1 January 2023 as defined by Stats NZ. This version contains 2,395 SA2s (2,379 digitised and 16 with empty or null geometries (non-digitised)).

​

SA2 is an output geography that provides higher aggregations of population data than can be provided at the statistical area 1 (SA1) level. The SA2 geography aims to reflect communities that interact together socially and economically. In populated areas, SA2s generally contain similar sized populations.

​

The SA2 should:

form a contiguous cluster of one or more SA1s,

excluding exceptions below, allow the release of multivariate statistics with minimal data suppression,

capture a similar type of area, such as a high-density urban area, farmland, wilderness area, and water area,

be socially homogeneous and capture a community of interest. It may have, for example:

​

• a shared road network,
• shared community facilities,
• shared historical or social links, or
• socio-economic similarity,

​

form a nested hierarchy with statistical output geographies and administrative boundaries. It must:

​

• be built from SA1s,
• either define or aggregate to define SA3s, urban areas, territorial authorities, and regional councils.

​

SA2s in city council areas generally have a population of 2,000–4,000 residents while SA2s in district council areas generally have a population of 1,000–3,000 residents.

​

In major urban areas, an SA2 or a group of SA2s often approximates a single suburb. In rural areas, rural settlements are included in their respective SA2 with the surrounding rural area.

​

SA2s in urban areas where there is significant business and industrial activity, for example ports, airports, industrial, commercial, and retail areas, often have fewer than 1,000 residents. These SA2s are useful for analysing business demographics, labour markets, and commuting patterns.

​

In rural areas, some SA2s have fewer than 1,000 residents because they are in conservation areas or contain sparse populations that cover a large area.

​

To minimise suppression of population data, small islands with zero or low populations close to the mainland, and marinas are generally included in their adjacent land-based SA2.

​

Zero or nominal population SA2s

To ensure that the SA2 geography covers all of New Zealand and aligns with New Zealand’s topography and local government boundaries, some SA2s have zero or nominal populations. These include:

​

• SA2s where territorial authority boundaries straddle regional council boundaries. These SA2s each have fewer than 200 residents and are: Arahiwi, Tiroa, Rangataiki, Kaimanawa, Taharua, Te More, Ngamatea, Whangamomona, and Mara.
• SA2s created for single islands or groups of islands that are some distance from the mainland or to separate large unpopulated islands from urban areas
• SA2s that represent inland water, inlets or oceanic areas including: inland lakes larger than 50 square kilometres, harbours larger than 40 square kilometres, major ports, other non-contiguous inlets and harbours defined by territorial authority, and contiguous oceanic areas defined by regional council.
• SA2s for non-digitised oceanic areas, offshore oil rigs, islands, and the Ross Dependency. Each SA2 is represented by a single meshblock. The following 16 SA2s are held in non-digitised form (SA2 code; SA2 name):

400001; New Zealand Economic Zone, 400002; Oceanic Kermadec Islands, 400003; Kermadec Islands, 400004; Oceanic Oil Rig Taranaki, 400005; Oceanic Campbell Island, 400006; Campbell Island, 400007; Oceanic Oil Rig Southland, 400008; Oceanic Auckland Islands, 400009; Auckland Islands, 400010 ; Oceanic Bounty Islands, 400011; Bounty Islands, 400012; Oceanic Snares Islands, 400013; Snares Islands, 400014; Oceanic Antipodes Islands, 400015; Antipodes Islands, 400016; Ross Dependency.

​

SA2 numbering and naming

Each SA2 is a single geographic entity with a name and a numeric code. The name refers to a geographic feature or a recognised place name or suburb. In some instances where place names are the same or very similar, the SA2s are differentiated by their territorial authority name, for example, Gladstone (Carterton District) and Gladstone (Invercargill City).

​

SA2 codes have six digits. North Island SA2 codes start with a 1 or 2, South Island SA2 codes start with a 3 and non-digitised SA2 codes start with a 4. They are numbered approximately north to south within their respective territorial authorities. To ensure the north–south code pattern is maintained, the SA2 codes were given 00 for the last two digits when the geography was created in 2018. When SA2 names or boundaries change only the last two digits of the code will change.

​

For more information please refer to the Statistical standard for geographic areas 2023.

​

Generalised version

This generalised version has been simplified for rapid drawing and is designed for thematic or web mapping purposes.

​

Macrons

Names are provided with and without tohutō/macrons. The column name for those without macrons is suffixed ‘ascii’.

​

Digital data

Digital boundary data became freely available on 1 July 2007.

​

To download geographic classifications in table formats such as CSV please use Ariā

Merge of Department of Statistics Meshblock Level 1 boundaries and Topo Coastline, plus Chatham Islands to give a better map of the land area for each Territorial Local Authority (TLA). Unitary Authorities are also clipped for their TLA role. TLA boundaries are MHWS which is not mapped in the Cadastral database and is only approximate using the 1:50,000 coastline and island borders, but it is better than the generalised meshblocks. Reloaded to fix topology error that merged Kapiti and Porirua.