DOI: https://doi.org/10.5069/G9R78CD4
OT Collection ID: OT.122021.2193.1
OT Collection Name: Nelson, New Zealand 2021
Short Name: NZ21_Nelson
Collection Platform: Airborne Lidar

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Download and Access Products: 
	1. Point Cloud Data
		opentopoID: OTLAS.122021.2193.1
		Data Processing: https://portal.opentopography.org/lidarDataset?opentopoID=OTLAS.122021.2193.1


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Collection Overview: Lidar was captured for Nelson City Council by Aerial Surveys in 2021.  The dataset was generated by Aerial Surveys and their subcontractors. The survey area includes Nelson City, Hira, Cable Bay, Whangamoa and surrounding area. Data management and distribution is by Toitū Te Whenua Land Information New Zealand.
Prepared DEM and DSM files are available through the LINZ Data Service:

Nelson, New Zealand 2021 Digital Elevation Model
Nelson, New Zealand 2021 Digital Surface Model


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 Nelson City Council". Attribution Required for Derivative works: "Copyright in the underlying dataset from which this work has been derived is owned by Nelson City Council".

Dataset Citation: Nelson City Council, Toitū Te Whenua Land Information New Zealand (LINZ) (2021). Nelson, New Zealand 2021. Collected by Aerial Surveys, distributed by OpenTopography and LINZ. https://doi.org/10.5069/G9R78CD4. Accessed: 2024-04-25

Use License: CC BY 4.0

Dataset Keywords: Nelson, South Island, New Zealand, LINZ, Aerial Surveys

Survey Date: 01/10/2021 - 06/24/2021
Publication Date: 12/14/2021

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Data Provider and Roles:
	1. Aerial Surveys
	Role: Collector
	Url: http://www.aerialsurveys.co.nz/

	2. Nelson City Council
	Role: Funder
	Url: http://www.nelson.govt.nz/

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


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Total number of points: 17,924,772,321 pts

Area: 475.82 km^2

Point Density: 37.67 pts/m^2

Classifications: 
	Class 1 - Unclassified: 10,506,270,622
	Class 2 - Ground: 1,277,020,169
	Class 3 - Low Vegetation: 428,000,240
	Class 4 - Medium Vegetation: 385,920,521
	Class 5 - High Vegetation: 5,114,952,451
	Class 6 - Building: 61,063,279
	Class 7 - Low Point (low noise): 5,220,490
	Class 9 - Water: 127,505,483
	Class 18 - High Noise: 18,819,066
Coordinates System: 
	Horizontal: NZTM2000 NZGD2000 Meters [EPSG: 2193]
	Vertical: NZVD2016 [EPSG: 7839]

Survey Report: https://object.cloud.sdsc.edu:443/v1/AUTH_opentopography/www/metadata/NZ21_Nelson_metadata.pdf

LAS Validation Data Report: https://portal.opentopography.org/lasReport?opentopoID=OTLAS.122021.2193.1

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Dataset Extent in KMZ format: https://portal.opentopography.org/getKml?otCollectionID=OT.122021.2193.1&download=true

Dataset Spatial Bounds:
	North: -41.0492054447948°
	South: -41.3954144542356°
	East: 173.600836639483°
	West: 173.174396235173°