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• Will Jones - Geospatial graduate profile

  Will Jones is a geospatial developer at Orbica.
  Page

  • Geodetic

• Emma Burge - Geospatial careers profile

  Emma Burge is a GIS analyst at the Environmental Protection Agency.
  Page

  • Geodetic

• Jennifer Coppola - Geospatial careers profile

  Jennifer is a Hydrographic Surveyor at Toitū Te Whenua Land Information New Zealand and is studying part-time for a PGDip in Arts (Geospatial Sciences) via distance learning at Massey University.
  Page

  • Geodetic

• January 2018 NZGD2000 coordinate update

  On Sunday 14 January 2018, LINZ updated the coordinates in Landonline of the large area affected by the Kaikoura earthquake.
  Guidance

  • Survey
  • Geodetic

• SNAP and CONCORD downloads

  Information about the SNAP software suite, and how to download and install the SNAP and CONCORD programs.
  Page

  • Geodetic

• National Reference Frame

  The NRF provides the connection between national geodetic and vertical datums, and international reference systems.
  Page

  • Geodetic

• Cadastral Vertical Control Network

  The CVN provides the street-level control marks that are used by surveyors to connect cadastral surveys to the official vertical datum (NZVD2016).
  Page

  • Geodetic

• Survey Control Networks

  New Zealand’s survey control system comprises physical control marks and information about them to enable the coordinates of other points to be determined. The control system is segmented into six control networks which provide control marks for specific…
  Page

  • Geodetic

• Deanna Teao - Geospatial careers profile

  Deanna is a Master of Science in Remote Sensing student at Massey University (Turitea Campus, Palmerston North).
  Page

  • Geodetic

• Scholarship options for tertiary GIS studies

  The following is a list of links to information about possible scholarship options for students doing, or thinking of doing, Geographic Information Science (GIS) studies at New Zealand tertiary institutions.
  Page

  • Geodetic

• Local tie surveys in New Zealand

  Local tie surveys combine four space geodesy techniques to define the International Terrestrial Reference Frame that provides the basis for global positioning.
  Page

  • Geodetic

• Spencer Han - Geospatial careers profile

  Spencer is a Data Wrangler at Stats NZ.
  Page

  • Geodetic

• Kelly Hayhurst - Geospatial careers profile

  Kelly Hayhurst is a Graduate Ecologist at Auckland Council
  Page

  • Geodetic

• Surveys for post-earthquake geodetic control

  Following a major earthquake, there is often an urgent need for geodetic coordinates, particularly heights, to help re-establish critical infrastructure such as stormwater and wastewater systems.
  Guidance

  • Survey
  • Geodetic

• Hamish Kingsbury - Geospatial careers profile

  Hamish Kingsbury is a Senior Spatial Data Specialist at Abley.
  Page

  • Geodetic

• Richard Law - Geospatial careers profile

  Richard Law is a GIS Developer employed at MetOcean Solutions.
  Page

  • Geodetic

• Amit Kokje – Geospatial careers profile

  Amit is a Senior Specialist (Geospatial Platform and Support) at Auckland Council.
  Page

  • Geodetic

• Guideline for the provision and maintenance of the New Zealand survey control system - LINZG25704

  The Surveyor-General has issued a standard that specifies the requirements for the New Zealand survey control system (LINZS25003).
  Resource

  • Geodetic

• Providing survey mark feedback

  We welcome feedback about the safety, maintenance, coordinate or height information of any survey mark. Let us know if marks have been damaged or destroyed, and suggest where new marks should be installed.
  Page

  • Geodetic

• Tidal level information for surveyors

  Determination of MHWSThere is no definitive method for establishing mean high-water springs (MHWS) boundaries – it requires a tailored approach that considers factors like hydraulic gradient, land type and the survey accuracy that is required.
  Guidance

  • Geodetic

• Darwin Glacier Lambert Conformal 2000 Projection (DGLC2000)

  The Darwin Glacier Lambert Conformal 2000 projection (DGLC2000) was replaced by the McMurdo Sound Lambert Conformal 2000 projection (MSLC2000) on 21 March 2011.
  Guidance

  • Geodetic

• New Zealand Geodetic Datum 1949 (NZGD1949) orders

  New Zealand Geodetic Datum 1949 (NZGD1949) was a horizontal datum. Its coordinates were classified into orders according to observation type and survey network.
  Guidance

  • Geodetic

• Pre-2010 normal-orthometric height orders

  Before May 2010, normal-orthometric heights were categorised using orders based on observation method and survey significance. This order framework was replaced by the Standard for the Geospatial Accuracy Framework (LINZS25005) and Standard for Tiers,…
  Guidance

  • Geodetic

• Geodetic datum conversions

  Coordinates can be transformed between geodetic datums by using either a transformation grid or a similarity transformation. This section includes examples of transforming to and from New Zealand Geodetic Datum 2000 (NZGD2000).
  Guidance

  • Geodetic

• Transformations between ITRF and NZGD2000

  Coordinate transformations between the International Terrestrial Reference Frame (ITRF) and New Zealand Geodetic Datum 2000 (NZGD2000).
  Guidance

  • Geodetic

• New Zealand Geodetic Datum 2000 ellipsoidal heights

  New Zealand Geodetic Datum 2000 (NZGD2000) coordinates include an ellipsoidal height measured using GNSS (global navigation satellite system) observations. Ellipsoidal heights often need to be converted to a vertical datum.
  Guidance

  • Geodetic

• New Zealand Geodetic Datum 2000 deformation model

  The New Zealand Geodetic Datum 2000 (NZGD2000) deformation model is used to adjust coordinates for ongoing crustal deformation. It takes into account tectonic motion and some major earthquakes to ensure that coordinates of survey marks and other features…
  Guidance

  • Geodetic

• Computation of the vertical datum relationship grids for NZVD2016

  Vertical datum relationship grids allow the transformation of local vertical datum heights to NZVD2016. These transformation grids were calculated by using observation points with both an ellipsoidal and a normal-orthometric height.
  Guidance

  • Geodetic

• Vertical datum relationship grids

  Vertical datum relationship grids are reference surfaces that can be used to transform heights between the 13 official local vertical datums and New Zealand Vertical Datum 2016 (NZVD2016).
  Guidance

  • Geodetic

• Reference ellipsoids

  An important feature of a geodetic datum is the reference surface. The reference surface approximates the shape of the Earth, so that geodetic coordinates can be located on a curved surface. The most common reference surface for geodetic datums is an…
  Guidance

  • Geodetic

• Gravity and the geoid

  Geoids and quasigeoids are reference surfaces that accurately represent the Earth’s shape and gravitational field. By collecting gravity data (which differs with latitude, elevation, geology and time), gravity field models are created to compute the geoid…
  Guidance

  • Geodetic

• New Zealand tertiary GIS papers, programmes and contacts

  Find New Zealand tertiary GIS papers, programmes and contacts.
  Page

  • Geodetic