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This dataset was first added to LINZ Data Service on 04 Aug 2016.
The MOT53-NZVD2016 grid enables the conversion of normal-orthometric heights from the Moturiki 1953 local vertical datum to the New Zealand Vertical Datum 2016 (NZVD2016).
The conversion value is represented by the attribute “O”, in metres.
This conversion and NZVD2016 are formally defined in the LINZ standard LINZS25009.
MOT53-NZVD2016 is published on a two arc-minute grid (approximately 3.6 kilometres) extending over the benchmarks that nominally define the extent of the Moturiki 1953 vertical datum (174.5° E to 178.26° E, 36.5° S to 40.7° S).
The height conversion grid models the difference between the Moturiki 1953 vertical datum and NZVD2016 using the LINZ GPS-levelling marks. From the GPS-levelling marks the expected accuracy of MOT53-NZVD2016 is better than 2 centimetres (95% Confidence interval).
More information on converting heights between vertical datums can be found on the LINZ website.
Creative Commons Attribution 4.0 International
You may use this work for commercial purposes.
You must attribute the creator in your own works.
| Information | |
|---|---|
| Category | Geodetic > Vertical Datum 2016 |
| Tags | LAND-Cadastre, LAND-Geodesy, LAND-Topography, New Zealand |
| Regions | New Zealand |
| Metadata | ISO 19115/19139, Dublin Core |
| Technical Details | |
|---|---|
| Layer ID | 53448 |
| Data type | Vector point | Feature count | 14364 |
| Attributes | longitude, latitude, O |
| Services | Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed |
| History | |
|---|---|
| Added | 4 Aug 2016 |
| Revisions | 6 - Browse all revisions |
| Current revision | Imported on Aug. 4, 2016 from Shapefile in NZGD2000. |