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Christchurch 15m DEM - Height Corrected

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  • Added 25 Feb 2011
  • Updated 22 Jan 2018
  • 10884 Views
  • 417 Downloads

A 15 metre resolution, floating point precision, elevation grid generated from the LINZ 1:50,000 scale Topographic data layers (20m contours, spot heights, lake shorelines and coastline) using Landcare Research's in-house interpolation software.

This DEM was originally produced in New Zealand Map Grid (NZMG) projection with elevation in terms of the Infomap 260 chart datum (Mean High Water Spring).

It has been transformed so that the heights are floating point ellipsoidal heights with respect to the GRS80 ellipsoid; this is the standard ellipsoid for the NZTM projection.

Information

DOI10.7931/L1936
CategoryElevation
Tagsheight data, Elevation, digital elevation model, terrain, DEM, Christchurch
RegionsChristchurch City
MetadataISO 19115/19139, Dublin Core

Technical Details

Layer ID 48187
Data type Grid
Resolution 15.000m
Services Raster Query API, Catalog Service (CS-W), data.govt.nz Atom Feed

History

Added 25 Feb 2011
Last updated 25 Feb 2011
Revisions 2 - Browse all revisions
Current revision Imported on Jan. 22, 2018 from GeoTIFF in NZGD2000 / New Zealand Transverse Mercator 2000.
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