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opentopoID: OTLAS.022020.2193.3

Collection Overview:

Lidar was captured for Environment Canterbury Regional Council by Aerial Surveys between July 2018 to March 2019. The dataset was generated by Aerial Surveys and their subcontractors. The survey area includes Christchurch City and the Ashley River, as well as the surrounding area. Data management and distribution is by Land Information New Zealand.

Prepared DEM and DSM files are available through the LINZ Data Service:

• Christchurch and Ashley River, Canterbury, New Zealand 2018-2019 Digital Elevation Model
• Christchurch and Ashley River, Canterbury, New Zealand 2018-2019 Digital Surface Model
• Christchurch and Ashley River, Canterbury, New Zealand 2018-2019 Raster Tile Index

Dataset Acknowledgement: Released under Creative Commons CC By 4.0 (https://creativecommons.org/licenses/by/4.0/). Attribution Required for Copies: 'Copyright in this work is owned by Environment Canterbury Regional Council'. Attribution Required for Derivative works: 'Copyright in the underlying dataset from which this work has been derived is owned by Environment Canterbury Regional Council'.

Dataset Citation: Environment Canterbury Regional Council, LINZ (2020). Christchurch and Ashley River, Canterbury, New Zealand 2018-2019. Collected by Aerial Surveys, distributed by OpenTopography and Land Information New Zealand (LINZ). https://doi.org/10.5069/G91J97WQ. Accessed: 2024-12-21       Copied to Clipboard

Use License: CC BY 4.0

Dataset Keywords: ashley river, christchurch, canterbury, south island, new zealand, linz, aerial surveys, lidar

Survey Date: 07/20/2018 - 03/01/2019

Publication Date: 02/26/2020

Data Provider and Roles:
Funder

• Environment Canterbury Regional Council

Partner

• Land Information New Zealand

Collector

• Aerial Surveys

Total number of points: 3,903,902,999 pts

Area: 663.35 km²

Point Density: 5.89 pts/m²

Classifications:

Class 1 - Unclassified	961,653,107
Class 2 - Ground	1,165,204,207
Class 7 - Low Point (low noise)	53,150,830
Class 9 - Water	117,266,991
Class 12 - Overlap/Reserved	1,606,627,864

Coordinate System:
Horizontal: NZTM2000 NZGD2000 Meters [EPSG: 2193]
Vertical: NZVD2016 [EPSG: 7893]

Units: meter

Survey Report: Reports

LAS Validation Data Report: NZ18_Canterbury.html

Tile index in shapefile format: Download

Dataset Extent in GeoJSON format:   NZ18_Canterbury.geojson

Dataset Spatial Bounds: North: -43.1944310520036°     South: -43.6767204816647°     East: 172.816622341522°     West: 172.387969725608°