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Titre : De geodetische referentiestelsels van Nederland : definitie en vastlegging van ETRS89, RD en NAP en hun onderlinge relaties Titre original : Geodetic reference frames in the Netherlands: definition and specification of ETRS89, RD and NAP, and their mutual relationships Type de document : Monographie Auteurs : Arnoud de Bruijne, Auteur ; Joop van Buren, Auteur ; Anton Kosters, Auteur ; Hans van der Marel, Auteur Editeur : Delft : Netherlands Geodetic Commission NGC Année de publication : 2005 Collection : Netherlands Geodetic Commission Green series num. 43 Importance : 117 p. Format : 17 x 24 cm ISBN/ISSN/EAN : 978-90-6132-291-7 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Systèmes de référence et réseaux
[Termes IGN] European Terrestrial Reference System 1989
[Termes IGN] géoïde local
[Termes IGN] Pays-Bas
[Termes IGN] positionnement par GPS
[Termes IGN] réseau altimétrique local
[Termes IGN] réseau géodésique local
[Termes IGN] triangulation d'autres paysIndex. décimale : 30.10 Systèmes de référence et réseaux géodésiques Résumé : (Auteur) Unambiguous and homogeneous geodetic reference frames are essential to the proper determination of locations and heights. The reference frames used in the Netherlands are the Rijksdriehoekmeting (RD) for locations and the Normaal Amsterdamse Peil (NAP) for heights. The RD has traditionally been managed by the Kadaster; the NAP by Rijkswaterstaat. The emergence of satellite positioning has resulted in drastic changes to these geodetic reference frames. A surveyor is now offered on, instrument, GPS (the Global Positioning System). capable of the simultaneous determination of locations and heights. This is possible by virtue of one three-dimensional geodetic reference system the European Terrestrial Reference System (ETRS89) which in the Netherlands is maintained in a collaborative arrangement between the Kadaster and Rijkswaterstaat. GPS has been advanced as a practical measurement technique by linking the definition of the RD grid to ETRS89. Nevertheless the introduction of GPS also revealed distortions in the RD grid, which are modelled in the RDNAPTRANS™ 2004 transformation. Furthermore, the use of the geoid model has become essential to the use of GPS in determining the height in comparison to NAP. Subsidence that has disrupted the backbone of the NAP gave cause to the need for a large-scale adjustment of the heights of the underground benchmarks and, in so doing, of the grid. Consequently new NAP heights have been introduced at the beginning of 2005 ; a new definition of the RID grid that had already been introduced in 2000 was once again modified in 2004. During the past few years two NCG subcommissions have devoted a great deal of time to these modifications. This publication lays down ETRS89, the RD and the NAP, together with their mutual relationships. In addition to reviewing the history of the reference frames and the manner inwhich they are maintained (including, for example, the use of AGRS.NL as the basis for the Dutch geometric infrastructure), the publication also discusses the status of the frames as at 1 January 2005. This encompasses the realisation of ETRS89 via AGRS.NL, the revision and new definition of the RD grid in 2004, and the new NAP publication in 2005. The publication also describes the mutual relationships between the frames in the modernized RDNAPTRANS™ 2004 transformation consisting of the new NLGE02004 geoid model and a model for the distortions of the RD grid. In conclusion, the publication also devotes attention to the future maintenance of the ETRS89, RD and NAP. The continuity of the Iink between the traditional frames and the three-dimensional frames is of great importance, and ETRS89 will continue to fulfil this linking role. The GPS base network and AGRS.NL reference stations will increasingly assume the leading role in the maintenance of the RD frame. The maintenance of the NAP will continue to be necessary, although during the coming decades the primary heights will not need revision. In so doing the high quzlity of the geodetic reference frames required for their use in actual practice will continue to be guaranteed. Numéro de notice : 13239 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Monographie En ligne : https://www.ncgeo.nl/index.php/en/publicatiesgb/green-series/item/2361-gs-43-a-d [...] Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=54927 Réservation
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