Canterbury LiDAR 1m Index Tiles (2016-2017)

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Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

26659
134
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

NZ Wreck Points (Topo, 1:50k)

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Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

25833
907
Updated
23 Sep 2022

This dataset was last updated on LINZ Data Service on 23 Sep 2022.

A wrecked vessel, either submerged or visible which is attached to or foul of the bottom or cast up on the shore; or a greatly disabled or damaged vehicle

Data Dictionary for wreck_pnt: docs.topo.linz.govt.nz/data-dictionary/tdd-class-w...

This layer is a component of the Topo50 map series. The Topo50 map series provides topographic mapping for the New Zealand mainland, Chatham and New Zealand's offshore islands, at 1:50,000 scale.

Further information on Topo50:
www.linz.govt.nz/topography/topo-maps/topo50

Layer ID 50379
Data type Vector point
Feature count 51
Primary key t50_fid
Services Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Canterbury Earthquake Survey Mark Movements

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Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

26578
159
Added
12 Sep 2016

This dataset was first added to LINZ Data Service on 12 Sep 2016.

This layer details the movement of survey marks due to the Canterbury Earthquake Sequence (CES). The movements include the impact of 5 major earthquakes on 4 September 2010, 22 February 2011, 13 June 2011, 23 December 2011 and 14 February 2016.

Note that these movements apply only at the survey mark. Nearby land may have moved differently, especially in areas impacted by substantial shallow ground movement.

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

Scope

Movements do not include the regular tectonic movement (not related to earthquakes) of approximately 5cm per year.

As well as Christchurch, the data covers Lyttelton, Spencerville, Kaiapoi, Pines Beach, Woodend, Pegasus and Waikuku Beach.

Mark Movement Calculations

Observed mark movements have been calculated from geodetic and cadastral survey data collected at the same physical survey mark before and after the earthquakes. Various filters have been applied to ensure as far as practicable that the movements reflect real-world earthquake-related movements of marks. For example, only non-boundary marks that have been directly measured (rather than adopted) are included.

Modelled mark movements have been calculated using models of the tectonic-scale movements resulting from each earthquake, supplied by GNS Science, supplemented with more detailed modelling carried out by LINZ. These models typically represent deep-seated movement only. They do not include shallow movement, such as that resulting from liquefaction.

Therefore the difference between the post-earthquake observed and post-earthquake modelled position generally represents shallow ground movement. The difference between the post-earthquake modelled and pre-earthquake observed position generally represents deep-seated movement. The difference between the post-earthquake observed position and pre-earthquake observed position represents total movement due to the earthquakes.

Accuracy

The uncertainty of the coordinate changes is 0.1m at a 95% confidence interval.

Layer Attributes

  • nod_id_post_eq: Landonline node id for the latest post-earthquake node (mark)
  • code_post_eq: Geodetic code for the latest post-earthquake node
  • name_post_eq: Mark name for the latest post-earthquake node
  • nod_id_pre_eq: Landonline node id for the pre-earthquake node (mark)
  • code_pre_eq: Geodetic code for the pre-earthquake node
  • name_pre_eq: Mark name for the pre-earthquake node
  • de_mod_obs: East change from modelled post-earthquake to observed post-earthquake position
  • dn_mod_obs: North change from modelled post-earthquake to observed post-earthquake position
  • hz_mod_obs: Horizontal change from modelled post-earthquake to observed post-earthquake position
  • bg_mod_obs: Bearing from modelled post-earthquake to observed post-earthquake position
  • de_pre_mod: East change from observed pre-earthquake to modelled post-earthquake position
  • dn_pre_mod: North change from observed pre-earthquake to modelled post-earthquake position
  • hz_pre_mod: Horizontal change from observed pre-earthquake to modelled post-earthquake position
  • bg_pre_mod: Bearing from observed pre-earthquake to modelled post-earthquake position
  • de_pre_obs: East change from observed pre-earthquake to observed post-earthquake position
  • dn_pre_obs: North change from observed pre-earthquake to observed post-earthquake position
  • hz_pre_obs: Horizontal change from observed pre-earthquake to observed post-earthquake position
  • bg_pre_obs: Bearing from observed pre-earthquake to observed post-earthquake position
Layer ID 53455
Data type Vector point
Feature count 8882
Services Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

NZ Slipway Centrelines (Topo, 1:50k)

Licence

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

25786
704
Updated
23 Sep 2022

This dataset was last updated on LINZ Data Service on 23 Sep 2022.

Ship building or landing slip

Data Dictionary for slipway_cl: docs.topo.linz.govt.nz/data-dictionary/tdd-class-s...

This layer is a component of the Topo50 map series. The Topo50 map series provides topographic mapping for the New Zealand mainland, Chatham and New Zealand's offshore islands, at 1:50,000 scale.

Further information on Topo50:
www.linz.govt.nz/topography/topo-maps/topo50

Layer ID 50351
Data type Vector linestring
Feature count 31
Primary key t50_fid
Services Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

NZ Marine Farm Polygons (Topo, 1:50k)

Licence

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

25487
873
Updated
23 Sep 2022

This dataset was last updated on LINZ Data Service on 23 Sep 2022.

An area in the sea, used for aquatic cultivation.

Data Dictionary for marine_farm_poly: docs.topo.linz.govt.nz/data-dictionary/tdd-class-m...

This layer is a component of the Topo50 map series. The Topo50 map series provides topographic mapping for the New Zealand mainland, Chatham and New Zealand's offshore islands, at 1:50,000 scale.

Further information on Topo50:
www.linz.govt.nz/topography/topo-maps/topo50

Layer ID 50298
Data type Vector polygon
Feature count 833
Primary key t50_fid
Services Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Christchurch 0.075m Urban Aerial Photos (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.

19872
5896
Added
14 Oct 2020

This dataset was first added to LINZ Data Service on 14 Oct 2020.

Orthophotography for urban areas across Christchurch City totalling approximately 524 km2. Taken in the flying season (summer period) 2018-19. The area of capture is located in the Canterbury Region of the South Island.

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

Data comprises:
• 7984 ortho-rectified RGB GeoTIFF images in NZTM projection, tiled into the LINZ Standard 1:500 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 supplied tile layout for specific details, naming conventions, etc.

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

Index tiles for this dataset are available as layer Christchurch 0.075m Urban Aerial Photos Index Tiles (2018-2019)

Layer ID 105041
Data type Image/Raster
Resolution 0.075m
Services Raster Tiles Query API, Catalog Service (CS-W), data.govt.nz Atom Feed

NZ Breakwater Centrelines (Topo, 1:50k)

Licence

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

24608
831
Updated
23 Sep 2022

This dataset was last updated on LINZ Data Service on 23 Sep 2022.

A structure built to break the force of waves to protect a beach, harbour or other waterfront facility.

Data Dictionary for breakwater_cl: docs.topo.linz.govt.nz/data-dictionary/tdd-class-b...

This layer is a component of the Topo50 map series. The Topo50 map series provides topographic mapping for the New Zealand mainland, Chatham and New Zealand's offshore islands, at 1:50,000 scale.

Further information on Topo50:
www.linz.govt.nz/topography/topo-maps/topo50

Layer ID 50243
Data type Vector linestring
Feature count 75
Primary key t50_fid
Services Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Caution area polygon (Hydro, 1:90k - 1:350k)

Licence

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

25236
127
Updated
12 Sep 2022

This dataset was last updated on LINZ Data Service on 12 Sep 2022.

Generally, an area where the mariner has to be made aware of circumstances influencing the safety of navigation.

S-57 Object Class: Caution area

S-57 Acronym: CTNARE

This data was compiled for the use in the scale range 1:90,000 to 1:350,000.

THIS DATA DOES NOT REPLACE NAUTICAL CHARTS AND MUST NOT BE USED FOR NAVIGATION.

This data is based on the S-57 data format used in Electronic Navigational Charts (ENCs) published and maintained by the New Zealand Hydrographic Authority at Land Information New Zealand (LINZ). Refer to the following link for information about S-57 data: www.linz.govt.nz/hydro/regulation/

Layer ID 50443
Data type Vector polygon
Feature count 3
Primary key fidn
Services Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Canterbury - Rangiora LiDAR 1m DEM (2014)

Licence

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

24272
1003
Added
10 Jan 2017

This dataset was first added to LINZ Data Service on 10 Jan 2017.

This layer contains the DEM for LiDAR data from the Rangiora area captured in 2014.
The DSM is available as layer Canterbury - Rangiora LiDAR 1m DSM (2014).
The index tiles are available as layer Canterbury - Rangiora LiDAR Index Tiles (2014).
The LAS point cloud and vendor project reports are available from OpenTopography.

Lidar was captured for Waimakariri District Council and Environment Canterbury Regional Council by Aerial Surveys in March – June 2014. The datasets were generated by Aerial Surveys and their subcontractors. The survey area includes the Rangiora township area and the lower Ashley, Eyre, and Waimakariri river channels. 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 1 pulse/square metre.

Vertical datum is NZVD2016.

Layer ID 53552
Data type Grid
Resolution 1.000m
Services Raster Query API, Catalog Service (CS-W), data.govt.nz Atom Feed

NZ Cableway People Centrelines (Topo, 1:50k)

Licence

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

24415
786
Updated
23 Sep 2022

This dataset was last updated on LINZ Data Service on 23 Sep 2022.

Cableway for people; a conveyor system, built to transport people primarily, in which a carrier unit or units run on wire cables strung between supports.

Data Dictionary for cableway_people_cl: docs.topo.linz.govt.nz/data-dictionary/tdd-class-c...

This layer is a component of the Topo50 map series. The Topo50 map series provides topographic mapping for the New Zealand mainland, Chatham and New Zealand's offshore islands, at 1:50,000 scale.

Further information on Topo50:
www.linz.govt.nz/topography/topo-maps/topo50

Layer ID 50249
Data type Vector linestring
Feature count 90
Primary key t50_fid
Services Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed
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