Canterbury - Christchurch and Selwyn LiDAR 1m DSM (2015)

Licence

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

22405
830
Added
20 Mar 2017

This dataset was first added to LINZ Data Service on 20 Mar 2017.

This layer contains the DSM for LiDAR data from the Christchurch and Selwyn areas captured in 2015.
The DEM is available as layer Canterbury - Christchurch and Selwyn LiDAR 1m DEM (2015).
The index tiles are available as layer Canterbury - Christchurch and Selwyn LiDAR Index Tiles (2015).
The LAS point cloud and vendor project reports are available from OpenTopography.

Lidar was captured for Environment Canterbury Regional Council by AAM between 5 October and 7 November 2015. The datasets were generated by AAM and their subcontractors. The survey area includes Christchurch City and parts of the Selwyn district. Data management and distribution is by 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

Planned pulse density is 4 pulses/square metre.

Vertical accuracy specification is +/- 0.20m (95%).

Horizontal accuracy specification is +/- 1.00m (95%).

Vertical datum is NZVD2016.

Layer ID 53588
Data type Grid
Resolution 1.000m
Services Raster Query API, Catalog Service (CS-W), data.govt.nz Atom Feed

Canterbury LiDAR 1m DEM (2016-2017)

Licence

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

20926
1060
Added
11 Jan 2019

This dataset was first added to LINZ Data Service on 11 Jan 2019.

This layer contains the DEM for LiDAR data from the Canterbury Region captured between November 2016 and January 2017.

Lidar was captured for Environment Canterbury Regional Council by AAM New Zealand between November 2016 and January 2017. The datasets were generated by AAM New Zealand 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 1:2,000 tile layout

Pulse density is 3.44 pulses/square metre.

Vertical accuracy specification is +/- 0.20 m (95%).

Horizontal accuracy specification is +/- 1.00m (95%).

Vertical datum is NZVD2016.

Layer ID 99231
Data type Grid
Resolution 1.000m
Services Raster Query API, Catalog Service (CS-W), data.govt.nz Atom Feed

Canterbury 0.2m Rural Aerial Photos (2020-2021)

Licence

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

5025
1216
Added
13 Oct 2021

This dataset was first added to LINZ Data Service on 13 Oct 2021.

Orthophotography within the Canterbury Region taken in the flying seasons (summer periods) 2020-2021. Coverage is of the Canterbury region including Timaru and Ashburton.

Imagery was captured for Environment Canterbury by Aerial Surveys Ltd, Unit A1, 8 Saturn Place, Rosedale,0632, New Zealand.

Data comprises:
•1198 ortho-rectified RGB GeoTIFF images in NZTM projection, tiled into the LINZ Standard 1:5,000 tile layout
•Tile layout in NZTM projection containing relevant information.

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

Imagery supplied as 20 cm pixel resolution (0.20 m GSD), 3-band (RGB) uncompressed GeoTIFF. The final spatial accuracy is ±0.6 m @ 68% confidence level.

Index tiles for this dataset are available as layer Canterbury 0.2m Rural Aerial Photos Index Tiles (2020-20201)

Layer ID 106276
Data type Image/Raster
Resolution 0.200m
Services Raster Tiles Query API, Catalog Service (CS-W), data.govt.nz Atom Feed

Canterbury LiDAR 1m DEM (2018-2019)

Licence

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

19815
1250
Added
31 Aug 2020

This dataset was first added to LINZ Data Service on 31 Aug 2020.

This layer contains the DEM for LiDAR data in the Canterbury Region including Amuri Plain, Ashburton, Fairlie Foothills, Pegasus, Motunau, Selwyn North, Selwyn South and Waimate captured between 2018 and 2019.

LiDAR was captured for Environment Canterbury Regional Council by Aerial Surveys between March 2018 and May 2019. 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 2 pulses/square metre.

Vertical datum is NZVD2016

Layer ID 104931
Data type Grid
Resolution 1.000m
Services Raster Query API, Catalog Service (CS-W), data.govt.nz Atom Feed

Canterbury 0.4m Rural Aerial Photos (2012-2013)

Licence

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

345436
10466
Updated
23 Apr 2014

This dataset was last updated on LINZ Data Service on 23 Apr 2014.

Orthophotography for the Canterbury region taken in the flying season (summer period) 2012 - 2013. Coverage encompassed the Selwyn, Ashurbution, and Timaru council areas.

Imagery was captured for the ‘Environment Canterbury’ by Aerial Surveys Ltd, Unit A1, 8 Saturn Place, Albany,0632, New Zealand.

Data comprises:
•1,456 x ortho-rectified RGBi GeoTIFF images in NZTM projection, tiled into the LINZ Standard 1:5,000 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 1:5,000 tiles. Please refer to the supplied tile layout shape file for specific details, naming conventions, etc.

Imagery supplied as 40cm pixel resolution (0.4m GSD), 3-band (RGB) uncompressed GeoTIFF. The final spatial accuracy is +/-0.6m.

Index tiles for this dataset are available as layer Canterbury 0.4m Rural Aerial Photos Index Tiles (2012-2013)

Layer ID 51877
Data type Image/Raster
Resolution Unknown
Services Raster Tiles Query API, Catalog Service (CS-W), data.govt.nz Atom Feed

Canterbury - Christchurch and Selwyn LiDAR 1m DEM (2015)

Licence

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

48771
4860
Added
20 Mar 2017

This dataset was first added to LINZ Data Service on 20 Mar 2017.

This layer contains the DEM for LiDAR data from the Christchurch and Selwyn areas captured in 2015.
The DSM is available as layer Canterbury - Christchurch and Selwyn LiDAR 1m DSM (2015).
The index tiles are available as layer Canterbury - Christchurch and Selwyn LiDAR Index Tiles (2015).
The LAS point cloud and vendor project reports are available from OpenTopography.

Lidar was captured for Environment Canterbury Regional Council by AAM between 5 October and 7 November 2015. The datasets were generated by AAM and their subcontractors. The survey area includes Christchurch City and parts of the Selwyn district. Data management and distribution is by 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

Planned pulse density is 4 pulses/square metre.

Vertical accuracy specification is +/- 0.20m (95%).

Horizontal accuracy specification is +/- 1.00m (95%).

Vertical datum is NZVD2016.

Layer ID 53587
Data type Grid
Resolution 1.000m
Services Raster Query API, Catalog Service (CS-W), data.govt.nz Atom Feed

Canterbury LiDAR 1m Index Tiles (2016-2017)

Licence

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

27150
136
Added
11 Jan 2019

This dataset was first added to LINZ Data Service on 11 Jan 2019.

This layer contains the index tiles for LiDAR data from the Canterbury Region captured between November 2016 and January 2017.

Lidar was captured for Environment Canterbury Regional Council by AAM New Zealand between November 2016 and January 2017. The datasets were generated by AAM New Zealand 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 1:2,000 tile layout

Pulse density is 3.44 pulses/square metre.

Vertical accuracy specification is +/- 0.20 m (95%).

Horizontal accuracy specification is +/- 1.00m (95%).

Vertical datum is NZVD2016.

Layer ID 99233
Data type Vector polygon
Feature count 7328
Services Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Canterbury LiDAR 1m DSM (2016-2017)

Licence

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

14552
212
Added
11 Jan 2019

This dataset was first added to LINZ Data Service on 11 Jan 2019.

This layer contains the DSM for LiDAR data from the Canterbury Region captured between November 2016 and January 2017.

Lidar was captured for Environment Canterbury Regional Council by AAM New Zealand between November 2016 and January 2017. The datasets were generated by AAM New Zealand 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 1:2,000 tile layout

Pulse density is 3.44 pulses/square metre.

Vertical accuracy specification is +/- 0.20 m (95%).

Horizontal accuracy specification is +/- 1.00m (95%).

Vertical datum is NZVD2016.

Layer ID 99232
Data type Grid
Resolution 1.000m
Services Raster Query API, Catalog Service (CS-W), data.govt.nz Atom Feed

Canterbury Earthquake Precise-Levelling Heights (2010, 2011)

Licence

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

28073
127
Updated
04 Sep 2014

This dataset was last updated on LINZ Data Service on 04 Sep 2014.

The Canterbury region of New Zealand experienced a sequence of significant earthquakes during 2010 and 2011. These earthquakes occurred on 2010-09-04, 2011-02-22, 2011-06-13 and 2011-12-23. Precise-levelling surveys have been carried out throughout Canterbury and Christchurch to re-establish heights after these earthquakes.

Users may also be interested in the horizontal coordinates derived from GNSS data in the companion layers Canterbury Earthquake Geodetic Marks (2010, 2011) - Comprehensive and Canterbury Earthquake Geodetic Marks (2010, 2011) - Simple

Horizontal Accuracy (standard deviation) approx 1m.
Vertical Accuracy of Lyttelton Vertical Datum 1937 heights (standard deviation) 0.005m.

Heights generated from precise levelling data undertaken to a misclose standard (mm) of 5*sqrt(k) where k is the distance in kilometres. Precise levelling in the Christchurch area was undertaken after the 23 December 2011 earthquake. Other areas were levelled after the most recent earthquake to have affected heights in that area. Heights therefore represent the position of marks accounting for all four substantial Canterbury earthquakes.

These heights are only provisional. Analysis is ongoing as further data is collected.
Heights calculated using SNAP v2.3.64.
Heights were constrained using the pre-earthquake heights at geodetic codes AC9B, AFAQ, AG32 and B853. GNSS observations and modelling indicates that the height change of these marks was negligible.
Some heights were calculated from precise levelling data provided by Christchurch City Council.

These coordinates are suitable for use in surveys and other geospatial activities in Canterbury and Christchurch.

For further information about this dataset, see the Canterbury earthquake information on the LINZ website.

Layer ID 51688
Data type Vector point
Feature count 600
Primary key nod_id
Services Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

NZ Orthophotos 2000-2001

Licence

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

24737
699
Updated
29 Sep 2011

This dataset was last updated on LINZ Data Service on 29 Sep 2011.

LINZ publishes 1:25,000 scale orthophotos of New Zealand from its archive. The New Zealand orthophotos shown are historical and no further orthophotos of New Zealand will be published.

Coverage of 1 pixel is 2.5m x 2.5m

Layer ID 51049
Data type Image/Raster
Resolution 2.500m
Services Raster Tiles Query API, Catalog Service (CS-W), data.govt.nz Atom Feed
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