cl_maintenanceAndUpdateFrequency

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  • This dataset provides a seamless cloud-free 10m resolution satellite imagery layer of the New Zealand mainland and offshore islands. The imagery was captured by the European Space Agency Sentinel-2 satellites between September 2021 - April 2022. **Technical specifications:** - 450 x ortho-rectified RGB GeoTIFF images in NZTM projection, tiled into the LINZ Standard 1:50,000 tile layout - Satellite sensors: ESA Sentinel-2A and Sentinel-2B - Acquisition dates: September 2021 - April 2022 - Spectral resolution: R, G, B - Spatial resolution: 10 meters - Radiometric resolution: 8-bits (downsampled from 12-bits) This is a visual product only. The data has been downsampled from 12-bits to 8-bits, and the original values of the images have been modified for visualisation purposes.

  • Index Tiles ONLY, for actual orthophotos see layer [Snares Islands/Tini Heke 0.5m Satellite Imagery (2019-2020)](http://data.linz.govt.nz/layer/107367) Satellite Imagery of the Snares Islands/Tini Heke captured between 2019 and 2020. Coverage encompasses North East Island, Broughton Island and the Western Chain Islands. Imagery was captured for Toitū Te Whenua Land Information New Zealand by Maxar, Inc. Data comprises: • 10 ortho-rectified RGB GeoTIFF images in NZGD2000 / Auckland Islands TM 2000 projection, tiled into the LINZ Standard 1:5000 tile layout • Tile layout in NZGD2000 / Auckland Islands TM 2000 projection containing relevant information. Please refer to the tile index layer for specific details, naming conventions, etc. Imagery supplied as 50cm pixel resolution, 3-band (RGB) uncompressed GeoTIFF. The spatial accuracy is <8.5m at 90% confidence

  • Orthophotography for the Nelson region taken in the flying season (summer period) of 2013-2014. Coverage encompassed the entire Nelson City councils area. Imagery was captured for the ‘Nelson City Council’ by NZ Aerial Mapping Ltd, 208 Warren Street, PO Box 6, Hastings 4156, New Zealand Data has subsequently been provided to LINZ and this comprises: • 80 x ortho-rectified RGB GeoTIFF images in NZTM projection, tiled into the LINZ Standard 1:5,000 tile layout •Tile layout in NZTM projection containing relevant information. The supplied imagery is in terms of New Zealand Transverse Mercator (NZTM) map projection. The products are tiled into NZTopo50 1:5,000 tiles. Please refer to the tile index layer for specific details, naming conventions, etc. Imagery supplied as 40cm pixel resolution (0.4m GSD), 3-band (RGB) uncompressed GeoTIFF. The final spatial accuracy is +/-3.0m (@ 90% confidence). Index tiles for this dataset are available as layer [Nelson 0.4m Rural Aerial Photos Index Tiles (2014)](http://data.linz.govt.nz/layer/52120)

  • Orthophotography of the urban areas within Upper Hutt, flown in January 2021. Imagery was captured for the ‘Upper Hutt City Council’ by AAM NZ Limited, 6 Ossian St, NAPIER, New Zealand. Data comprises: • Imagery Area: 38.7072 km2 • 1070 x 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 shape file for specific details, naming conventions, etc. Imagery supplied as 7.5cm pixel resolution (0.2m GSD), 3-band (RGB) uncompressed GeoTIFF. The final spatial accuracy is ±0.2m @ 90% confidence level. Index tiles for this dataset are available as layer [Upper Hutt 0.075m Urban Aerial Photos Index Tiles (2021)](http://data.linz.govt.nz/layer/106058)

  • This layer contains the DEM for LiDAR data for Stewart Island / Rakiura and includes Oban and the surrounding area captured in 2021. - The DSM is available as layer [Stewart Island / Rakiura - Oban LiDAR 1m DSM (2021)](https://data.linz.govt.nz/layer/107475/) - The index tiles are available as layer [Stewart Island / Rakiura - Oban LiDAR Index Tiles (2021)](https://data.linz.govt.nz/layer/107476/) - The LAS point cloud and vendor project reports are available from [OpenTopography](https://portal.opentopography.org/datasets?loc=New%20Zealand) LiDAR was captured for Environment Southland by ASL Ltd on 3 September 2021. The dataset was generated by ASL 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, tiledinto 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 Pulse density specification is at a minimum of 4 pulses/square metre. Vertical Accuracy Specification is +/- 0.2m (95%) Horizontal Accuracy Specification is +/- 1.0m (95%) Vertical datum is NZVD2016.

  • New Zealand Territorial Seas The territorial sea is the belt of sea adjacent to the coast out to a distance of 12 nautical miles from prescribed baselines over which New Zealand, as the coastal state, has the same rights of sovereignty that it exercises over its land territory subject to the right of innocent passage (and transit passage through any straits used for international navigation) of ships of other states. 'Innocent passage' excludes fishing activities. Maritime Boundary Definitions: http://www.linz.govt.nz/hydro/nautical-info/maritime-boundaries/definitions#zones Further References: http://www.linz.govt.nz/hydro/nautical-info/maritime-boundaries

  • Index Tiles ONLY, for actual orthophotos see layer [Waikato District 0.05m Urban Aerial Photos (2021-2022)](http://data.linz.govt.nz/layer/113683) Orthophotography within the Waikato Region over nine townships, captured in the 2020/2021 and 2021/2022 flying seasons. Coverage encompasses Tuakau, Raglan,Pōkeno, Huntly, Taupiri, Ngāruawāhia, Te Kauwhata, Te Kowhai, Horotiu. Imagery was captured for Waikato District Council by Recon Ltd, PO Box 11-770, Ellerslie, Auckland 1542. Data comprises: • 74 ortho-rectified RGB GeoTIFF images in NZTM projection, tiled into the LINZ Standard 1:1000 tile layout. • Tile layout in NZTM projection containing relevant information. The supplied imagery is in terms of New Zealand Transverse Mercator (NZTM) map projection. Imagery supplied as 5cm pixel resolution (0.05m GSD), 3-band (RGB) uncompressed GeoTIFF. The final spatial accuracy is ±0.15m at 90% confidence level in clear flat areas.

  • New Zealand Contiguous Zone The contiguous zone is a zone of 12 nautical miles beyond the territorial sea in which New Zealand, as the coastal state, may take action to prevent or punish any infringement of its customs, fiscal, immigration or sanitary laws or regulations applicable within its land territory or territorial sea. Maritime Boundary Definitions: http://www.linz.govt.nz/hydro/nautical-info/maritime-boundaries/definitions#zones Further References: http://www.linz.govt.nz/hydro/nautical-info/maritime-boundaries

  • In addition to contour lines, relief shading helps visualise the terrain. Hills and valleys are shaded as if they were illuminated from the north-west. Relief layers were generated for each sheet, and specifically for use in the Topo250 map series. There may be subtle differences in the relief shading of adjacent map sheets. The Topo250 map series provides topographic mapping for the New Zealand mainland and Chatham Islands, at 1:250,000 scale. Further information on Topo250: http://www.linz.govt.nz/topography/topo-maps/topo250

  • This layer contains the DSM for LiDAR data in the Canterbury Region including Amuri Plain, Ashburton, Fairlie Foothills, Pegasus, Motunau, Selwyn North, Selwyn South and Waimate captured between 2018 and 2019. - The DEM is available as layer [Canterbury LiDAR 1m DEM (2018-2019)](https://data.linz.govt.nz/layer/104931). - The index tiles are available as layer [Canterbury LiDAR 1m Index Tiles (2018-2019)](https://data.linz.govt.nz/layer/104828). - The LAS point cloud and vendor project reports are available from [OpenTopography](https://portal.opentopography.org/datasets?loc=New%20Zealand). LiDAR was captured for Environment Canterbury Regional Council by Aerial Surveys between March 2018 and May 2019. These datasets were generated by Aerial Surveys and their subcontractors. 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 Pulse density specification is at a minimum of 2 pulses/square metre. Vertical datum is NZVD2016