Top of the South Flood, Nelson and Tasman, New Zealand 2022

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Overview

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LiDAR was captured for Nelson City Council, Tasman District Council, Waka Kotahi and National Emergency Management Agency by Aerial Surveys Ltd from 23 August 2022 to 6 September 2022, in response to a severe weather emergency event. The dataset was generated by Aerial Surveys and their subcontractors. Data management and distribution is by Toitū Te Whenua Land Information New Zealand.

Platform: Airborne Lidar
Survey Area: 926.87 km2
Point Density: 15.05 pts/m2
Survey Date: 08/23/2022 - 09/06/2022
Full Metadata
Data Citation
Use License: CC BY 4.0
Funders: NCC, TDC, NZTA, NEMA     Partner: LINZ     Collector: AS

Other Available Data Products:     Point Cloud Bulk Download (Sign in required)
1a. Select area of data to download or process  
  Usage Heat Map
 

1. Coordinates & Classification

Horizontal Coordinates: NZTM2000 NZGD2000 Meters [EPSG: 2193]
Vertical Coordinates: NZVD2016 [EPSG: 7839]
Units: meter

Data Selection Coordinates:       Manually enter selection coordinates (in the horizontal coordinate system listed above)  
  Choose Return Classification    
  Building        
  Ground        
  Unclassified        
  Vegetation        
  Water surface        
  Exclude Noise

2. Point Cloud Data Download

     Point cloud data in LAZ format
    Point cloud data in LAS format
     Point cloud data in ASCII format

3A. DEM Generation (TIN)  

Gridding Method
    Calculate TIN
Gridding Parameters
  Grid Resolution (Default = 1 meter)
  Max. triangle size (Default 50 units)
  Grid Format

3B. DEM Generation (Local Gridding)  

Gridding Method
     Calculate Zmin grid
     Calculate Zmax grid
     Calculate Zmean grid
     Calculate Zidw grid
     Calculate standard deviation
     Calculate point count
Gridding Parameters
  Grid Resolution (Default = 1 meter)
  Radius value (Default = 1.4142 meter)
  Grid Format
  Null Filling

4. Raster Visualization  

Visualization type:
  Hillshade
  Color-relief
  Color hillshade
  Slope
  Aspect
  Roughness

5. 3D Point Cloud Visualization  

  Generate 3D point cloud browser visualization

6. Contour Lines  

7. Hydrologic Terrain Analysis Products (tauDEM)  

This tauDEM is an advanced processing service. It is available for registered users, who understand these resource intensive algorithms and its products.
In order to access or enable this service, please log in or request an account.

Job Description

These options allow users to describe and keep track of their jobs. Information entered below is recorded along with other job parameters in your personal lidar job archive accessed via myOpenTopo (available only to registered OpenTopography users).

Job title (up to 150 characters)
Job description (up to 750 characters)
Enter your e-mail address
for notification upon completion of processing
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By accessing data via OpenTopography you agree to acknowledge OpenTopography and the dataset source in publications, presentations, and other materials produced using these data:
Data Citation     |     Use License: CC BY 4.0