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A vertical datum is a reference system (or set of rules) that defines how heights are represented. The most convenient way to establish a vertical datum has traditionally been to reference it to a sea surface, commonly known as sea level.
This briefing introduces the Minister for Land Information to the role and responsibilities of the Land Information portfolio, provides information on the portfolio, and explains what Toitū Te Whenua Land Information New Zealand does.
The mahi of our team can be seen across Aotearoa, including location data and imagery that helped decision-making following cyclone Gabrielle, and a collaboration with Australia to develop SouthPAN – new satellite technology which will improve the accuracy of positioning services like GPS.
