Northland 10m DEM from LiDAR

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Creative Commons Attribution 3.0 New Zealand

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Updated
03 Feb 2014

A 10 m Digital Elevation Model derived from LiDAR ground strike data. Northland Regional Council LiDAR data is flown in pockets across the region as required.

Layer ID 1690
Data type Grid
Resolution 10.000m
Services Raster Query API

Whangarei City 2m Contours

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Creative Commons Attribution-No Derivative Works 3.0

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14 Oct 2011

These 2m contours were made from the DTM 10m grid which were a by product of the 0.125m resolution aerials done some 10 years ago.
They say the DTM can be used , as a rule of thumb, as fine as 2m +/- 1m.
Reference to LINZ datum One tree Point mean Sea level.

Layer ID 1426
Data type Vector multilinestring
Feature count 47513
Elevation Z (CONTOUR)
Services Vector Query API

Northland LiDAR Coverage

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Creative Commons Attribution 3.0 New Zealand

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746
108
Added
22 Feb 2011

A polygon layer showing the extent of LiDAR ground strike data in Northland, New Zealand. The layer has attributes containing year of capture and notes on who holds the licence for the raw data.

Due to the cumbersome nature of LiDAR data, NRC has produced 10m Digital Elevation Models of the areas where we have LiDAR coverage. These are available for download here.

Layer ID 3110
Data type Vector multipolygon
Feature count 71
Services Vector Query API

Mangawhai 10m DEM

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Creative Commons Attribution 3.0 New Zealand

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You must attribute the creator in your own works.

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14 Oct 2010

Digital Elevation Model of Mangawhai derived from LiDAR. 10m resolution.

Layer ID 1670
Data type Grid
Resolution 10.000m
Services Raster Query API

02 Kaikohe 15m DEM (NZSoSDEM v1.0)

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Creative Commons Attribution-Share Alike 3.0

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292
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19 Jul 2011

NZSoSDEM v1.0 is a Digital Elevation Model (DEM) covering the whole of New Zealand at a spatial resolution of 15m, created by the School of Surveying by interpolating LINZ topographic vector data.

The DEM was created as a series of 30 maps which extent correspond exactly with the LINZ Topo250 topographic map series. Smaller regions can thus be obtained individually but also fit together seamlessly to create a full countrywide DEM.

The accuracy of this product was comprehensively assessed using a statistically sound selection of 3791 check points throughout the country. The comparison of results with other available country-wide DEM demonstrate an improvement of NZDEM_SoS_v1.0 in terms of quality that comes in addition with a finer spatial resolution.

A full description of the interpolation/assessment process can be found in the attached documentation: Columbus, J.; Sirguey, P. & Tenzer, R. (2011), 'A free, fully assessed 15-m DEM for New Zealand', Survey Quarterly 66, 16-19.

Layer ID 3729
Data type Grid
Resolution 15.000m
Services Raster Query API, data.govt.nz Atom Feed