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Geodetic
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Priorities for the Land Information portfolio and Cabinet report on progress – SouthPAN and STEP
This paper updated Cabinet on the Minister for Land Information’s priorities in the Land Information portfolio, as well as progress of two significant projects – SouthPAN and STEP.
Resource
Geodetic
Landonline
0
Ruling on official geodetic datum and projections - LINZR65300
The Surveyor-General has issued a ruling specifying the official geodetic datum and the official geodetic projections for use in cadastral surveys.
Resource
Geodetic
0
New Zealand Geodetic Datum 2000 - LINZG25700
This fact sheet supersedes the LINZG25700 fact sheet - LINZS25000 Standard for New Zealand Geodetic Datum 2000 which was published in November 2007.
Resource
Geodetic
0
Standard for the New Zealand survey control system - LINZS25003
This standard sets out the Surveyor-General’s requirements for the provision of a national survey control system.
Resource
Geodetic
0
PositioNZ-PP and CSN Marks
PositioNZ-PP can be used to create a cadastral survey network (CSN) or a geodetic mark in areas where there is no efficient way to connect to the datum. Find out how to add these marks to Landonline before a cadastral survey dataset (CSD) is submitted.
Page
Geodetic
0
Brown Bag Resilience Series presentations
This page contains links to the Brown Bag Resilience Series of presentations, including slides, videos and webinars.
Page
Geodetic
0
Alex Pasco - Geospatial careers profile
Alex is a Geospatial Data Administrator with the New Zealand Defence Force.
Page
Geodetic
0
Rebecca McMorran - Geospatial careers profile
Rebecca McMorran is a Senior Transport Analyst, Transport Strategy Team at the Wellington City Council
Page
Geodetic
0
Geodetic standards and factsheets
Find the standards, as well as explanatory factsheets, which define the requirements of New Zealand’s geodetic system.
Guidance
Geodetic
0
Geodetic published papers
Selected papers relating to geodesy in New Zealand which have been published by Toitū Te Whenua.
Guidance
Geodetic
0
Deformation Monitoring Network
The DMN monitors national-scale tectonic deformation and monitors regional and local-scale deformation to maintain the NZGD2000 deformation model, to maintain the other control networks for the effects of deformation and to re-establish the other control networks following a major deformation event.
Page
Geodetic
0
Other common geoid and global gravity models
Geoids represent a hypothetical global sea level as it would be shaped by gravity if oceans could flow unobstructed though land. New Zealand’s official geoid, New Zealand Quasigeoid 2016 (NZGeoid2016), is commonly used in New Zealand, and its predecessor, New Zealand Quasigeoid 2009 (NZGeoid2009), was used before this. Several other geoids and global gravity models are also commonly referenced in New Zealand.
Guidance
Geodetic
0
New Zealand Vertical Datum 2009 (NZVD2009)
The reference surface for New Zealand Vertical Datum 2009 (NZVD2009) was New Zealand Quasigeoid 2009 (NZGeoid2009). NZGeoid2009 has been superseded by New Zealand Quasigeoid Geoid2016 (NZGeoid2016) and New Zealand Vertical Datum 2016 (NZVD20016) in July 2016.
Guidance
Geodetic
0
New Zealand Quasigeoid 2009 (NZGeoid2009)
The reference surface for New Zealand Vertical Datum 2009 (NZVD2009) was New Zealand Quasigeoid 2009 (NZGeoid2009). NZGeoid2009 has been superseded by New Zealand Quasigeoid Geoid2016 (NZGeoid2016) and New Zealand Vertical Datum 2016 (NZVD20016) in July 2016.
Guidance
Geodetic
0
New Zealand offshore island projections
Projections are selected so that they best represent an area on a flat surface. There are separate transverse Mercator projections for each of the following offshore islands: Antipodes, Auckland, Bounty, Campbell Island / Motu Ihupuku, Chatham, Kermadec, Raoul and Snares Islands / Tini Heke Islands.
Guidance
Geodetic
0
Chatham Islands Transverse Mercator 1979 (CITM1979)
The Chatham Islands Transverse Mercator 1979 (CITM1979) used to be the projection for Topographic 1:50,000 and other small-scale mapping in the Chatham Islands. Chatham Islands Transverse Mercator 2000 (CITM2000) is now the official projection used in the Chatham
Guidance
Geodetic
0
Pre-2010 geodetic coordinate orders
Until May 2010, geodetic coordinates were categorised using orders based on coordinate observation and survey significance. This framework was replaced in 2010 by the Standard for the Geospatial Accuracy Framework (LINZS25005) and Standard for Tiers, Classes and Orders of LINZ Data (LINZS25006).
Guidance
Geodetic
0
Changes to Cadastral Mark Orders
The Rules for Cadastral Survey 2010 that came into effect on 24 May 2010 have different accuracy requirements to their predecessor Surveyor-General’s Rules for Cadastral Survey 2002/2.
Guidance
Geodetic
0
Geodetic datums
A geodetic datum defines a reference framework for specifying locations on the Earth's surface. Two geodetic datums are currently used in New Zealand, and others have been used in the past.
Guidance
Geodetic
0
Principles for a Seabed Cadastre
This report documents a set of principles for a seabed cadastral survey system that have been developed in terms of Land Information NZ’s roles and responsibilities.
Resource
Geodetic
0
Preferred Option for Development of a National Vertical Reference System
This paper presents the preferred option for a new vertical datum and geoid model in New Zealand.
Resource
Geodetic
0
New Zealand Geodetic Operations 1999-2002
This report has been compiled by the Surveyor-General, Land Information New Zealand, on behalf of the Geosciences Standing Committee of the Royal Society of New Zealand for the General Assembly of the International Union of Geodesy and Geophysics, Sapporo, Japan, July 2003.
Resource
Geodetic
0
New Zealand Vertical Datum 2004/05 Milestone 6b Completion Report
The goal of the Vertical Datum Project is to produce a new nationally (and internationally) consistent height reference system for New Zealand. This work has been undertaken in conjunction with the Western Australian Centre for Geodesy at Curtin University of Technology in Perth, Australia.
Resource
Geodetic
0
Airborne Gravity for an Improved Vertical Datum
This report identifies the accuracy requirements of current and future users of the datum. It then contrasts a number of options for enhancing NZVD2009 to meet these customer needs before recommending a preferred improvement approach.
Resource
Geodetic
0
Specifications for Geodetic Control of Hydrographic Surveys
This specification describes the requirements for establishing and surveying geodetic marks used in hydrographic surveys for Toitū Te Whenua.
Resource
Geodetic
Marine information
0
Specification for Geodetic Services
This specification was developed for use by contracting organisations when providing geodetic survey and maintenance services for Toitū Te Whenua.
Resource
Geodetic
0
Specifications for Post-Earthquake Precise Levelling and GNSS Survey
This specification covers the precise levelling and GNSS (Global Navigation Satellite System) survey requirements for re-establishing reliable heights for the National Height Network after the Canterbury Earthquake of 4 September 2010.
Resource
Geodetic
0
Transformations between WGS84 and NZGD2000
Transforming coordinates between the World Geodetic System 1984 (WGS84) and New Zealand Geodetic Datum 2000 (NZGD2000) is more complex than some other transformations as a reference date is required for WGS84.
Guidance
Geodetic
0
Realisation of the New Zealand Geodetic Datum 2000
This report focuses on how the Zero and First Order NZGD2000 coordinates were computed but also outlines the GPS data collected, the processing of the GPS data, the computation of the velocity model and the adjustment of the lower order stations (e.g. Second, Third, Fourth and Fifth) in terms of the Zero and First Order stations.
Resource
Geodetic
0
Understanding coordinate conversions
Users may need to convert and transform coordinates between geodetic datums, projections and height systems when they combine data from different sources.
Guidance
Geodetic
0
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