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Audit and quality assurance
LINZ conducts survey audits to provide reasonable assurance to licensed cadastral surveyors (LCSs), their firms and the Surveyor-General that they are complying with the Cadastral Survey Rules 2021 (the Rules), the Cadastral Survey Act 2002 and other…
Guidance
Survey
Toitū Te Whenua web guidelines on linking to other organisations
You can ask us to add a link from our website to yours if it would be helpful to linz.govt.nz users.
Page
Who needs consent to invest
Find out if you need to apply for consent before investing in sensitive land, significant business assets or fishing quota in New Zealand.
Guidance
Overseas investment
Farm land
Find out what farm land is, and how it might affect your application for consent.
Guidance
Overseas investment
Overseas investment glossary
Find out more about specific terms and phrases used in overseas investment content.
Guidance
Overseas investment
Make a submission
Find out how you can make a submission on another person’s application for consent to invest in sensitive New Zealand assets.
Guidance
Overseas investment
Topo50 sheet index
View the areas covered by each Topo50 map sheet, and find their name and sheet code so that you can find and download the map you need.
Page
Topography
New Zealand topographic maps
Find digital and printable topographic maps for New Zealand and the Chatham Islands.
Page
Topography
Leases and licences on Crown pastoral land
This section explains the 3 ways farmers can use Crown pastoral land: pastoral leases, pastoral occupation licences, and special leases.
Guidance
Crown property
Official Information Act requests
Find out how to request information from Toitū Te Whenua under the Official Information Act.
Page
Corporate
Our organisation
Learn more about our structure, governance and whakapapa. We have more than 700 employees across our offices in Hamilton, Wellington and Christchurch.
Page
Corporate
Place names of New Zealand
Search the New Zealand Gazetteer for official and recorded place names.
Page
Place naming
Recent place name decisions
Find recent decisions on place names within New Zealand and its offshore islands, on the continental shelf, and in the Ross Sea region of Antarctica.
Page
Place naming
Tide prediction formats
Find out about tide prediction formats and how to interpret the values.
Guidance
Marine information
Tides around New Zealand
New Zealand's tidal regime is semi-diurnal, so on most days two high and two low tides occur at any location.
Guidance
Marine information
Tides
Learn about tidal theory and the different types of tides around New Zealand.
Guidance
Marine information
Sea level data
Toitū Te Whenua has established a network of sea level monitoring sites at 18 locations around New Zealand and Antarctica.
Page
Data
Geodetic publications and presentations
We publish information that describes the implementation and use of New Zealand’s geodetic system. This information is provided to support users of geodetic data and provides background information for research purposes. This section includes geodetic…
Guidance
Geodetic
Geodetic software and downloads
We provide specialist geodetic products such as transformation grids and geodetic software. These are used for geodetic network adjustments and converting data between coordinate systems in New Zealand.
Page
Geodetic
PositioNZ
The Toitū Te Whenua PositioNZ network consists of 39 continuously operating reference stations (CORS) located throughout New Zealand (including the Chatham Islands) and Antarctica.
Page
Geodetic
New Zealand Continental Shelf Lambert Conformal 2000 (NZCS2000)
New Zealand Continental Shelf Lambert Conformal 2000 (NZCS2000) projection is used for mapping and representing spatial data covering the New Zealand continental shelf.
Guidance
Geodetic
New Zealand Map Grid (NZMG)
New Zealand Map Grid (NZMG) was previously used as the projection for topographic 1:50,000 and other small-scale mapping in mainland New Zealand. New Zealand Transverse Mercator 2000 (NZTM2000) replaced NZMG in 2001 and is now the official projection used…
Guidance
Geodetic
New Zealand Geodetic Datum 1949 ‘D’ Coordinates
New Zealand Geodetic Datum 1949 (NZGD1949) ‘D’ coordinates were computed and adjusted in terms of New Zealand Geodetic Datum 2000 (NZGD2000) and then transformed into NZGD1949 using a grid transformation.
Guidance
Geodetic
Historic coordinate and height orders
In May 2010, a new set of orders for positions and heights was introduced for New Zealand and the Ross Sea Region. This led to revisions in how coordinate accuracy is determined and displayed. This section also covers other order systems, including…
Guidance
Geodetic
Coordinate and height orders
This page contains information on the orders that define the accuracy of coordinates and heights in New Zealand.
Guidance
Geodetic
Reclassification of order 5 (5a) control marks
In 2010, 5a control marks were reclassified from order 5 to order 6. They have since been tested against the standards and the appropriate orders assigned.
Guidance
Geodetic
Changes to Control Mark Orders
The Orders of control marks have been updated to reflect the accuracy definitions in the LINZS25005 and LINZS25006 standards.
Guidance
Geodetic
World Geodetic System 1984 (WGS84)
The World Geodetic System 1984 (WGS84) is a global datum, used for determining positions on the Earth's surface. The WGS84 is a reference system used by the satellite navigation systems like GPS and is used in various mapping applications.
Guidance
Geodetic
Chatham Islands Geodetic Datum 1979 (CIGD1979)
Chatham Islands Geodetic Datum 1979 (CIGD1979) was previously used to define positions on the Chatham Islands. New Zealand Geodetic Datum 2000 (NZGD2000) is now the official datum used in the Chatham Islands, superseding CIG1979 from March 1998.
Guidance
Geodetic
Chatham Islands Geodetic Datum 1971 (CIGD1971)
Chatham Islands Geodetic Datum 1971 (CIGD1971) was previously used to define positions on the Chatham Islands. It was replaced in 1981 by Chatham Islands Geodetic Datum 1979 (CIGD1979), and both were superseded by New Zealand Geodetic Datum 2000 (NZGD2000…
Guidance
Geodetic
Lambert conformal conic transformations
The mathematical parameters and equations used to convert geodetic datum coordinates to and from a Lambert conformal conic projection.
Guidance
Geodetic
Errors and troubleshooting
Information on Landonline errors and help on how to resolve them.
Guidance
Landonline
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