DOI: https://doi.org/10.5069/G9JQ0XZV
OT Collection ID: OT.032017.2193.1
OT Collection Name: Christchurch and Selwyn, Canterbury, New Zealand 2015
Short Name: Chch_Selwn_2015
Collection Platform: Airborne Lidar

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Download and Access Products: 
	1. Point Cloud Data
		opentopoID: OTLAS.032017.2193.1
		Data Processing: https://portal.opentopography.org/lidarDataset?opentopoID=OTLAS.032017.2193.1


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Collection Overview: Lidar was captured for Environment Canterbury Regional Council by AAM in October and November 2015.  The datasets were generated by AAM and their subcontractors. The survey area includes Christchurch City  and large portions of the Selwyn district. Data management and distribution is by Land Information New Zealand.
  Prepared DEM and DSM files are available through the LINZ Data Service  https://data.linz.govt.nz/layer/3587-canterbury-christchurch-and-selwyn-lidar-1m-dem-2015/ https://data.linz.govt.nz/layer/3588-canterbury-christchurch-and-selwyn-lidar-1m-dsm-2015/

Dataset Acknowledgement: Released under Creative Commons By Creative Commons Attribution 3.0 New Zealand Link: http://data.linz.govt.nz/license/attribution-3-0-new-zealand/
   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: Christchurch and Selwyn, Canterbury, New Zealand 2015. Distributed by OpenTopography. https://doi.org/10.5069/G9JQ0XZV . Accessed: 2024-12-22

Use License: Not Provided

Dataset Keywords: Christchurch, Selwyn, south island, new zealand, linz, AAM, lidar

Survey Date: 10/05/2015 - 11/07/2015
Publication Date: 03/07/2017

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Data Provider and Roles:
	1. AAM New Zealand Limited
	Role: Collector
	Url: http://www.aamgroup.com/index-nz.htm

	2. Environment Canterbury Regional Council
	Role: Funder
	Url: https://ecan.govt.nz/

	3. Land Information New Zealand
	Role: Partner
	Url: https://www.linz.govt.nz/


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Total number of points: 8,992,926,156 pts

Area: 1,512.72 km^2

Point Density: 5.94 pts/m^2

Classifications: 
	Class 0 - Never classified: 1,917,331
	Class 1 - Unclassified: 5,468,055,773
	Class 2 - Ground: 3,162,868,055
	Class 7 - Low Point (low noise): 5,012,728
	Class 9 - Water: 355,072,263
	Class 11 - Road Surface: 6
Coordinates System: 
	Horizontal: NZTM2000 NZGD2000 Meters [EPSG: 2193]
	Vertical: NZVD2016

Survey Report: https://cloud.sdsc.edu/v1/AUTH_opentopography/www/metadata/NZ15_Chch_Selwn_Metadata.zip

LAS Validation Data Report: http://cloud.sdsc.edu/v1/AUTH_opentopography/www/lasReports/Chch_Selwn_2015.html

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Dataset Extent in KMZ format: https://portal.opentopography.org/getKml?otCollectionID=OT.032017.2193.1&download=true

Dataset Spatial Bounds:
	North: -43.2681724384348°
	South: -43.9098007779219°
	East: 172.824770930513°
	West: 171.659314397881°