TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
HORIZONTAL CONTROL DATUM [3 records]
Record 1 - internal organization data 2021-03-29
Record 1, English
Record 1, Subject field(s)
- System Names
- Mathematical Geography
Record 1, Main entry term, English
- North American Datum of 1983
1, record 1, English, North%20American%20Datum%20of%201983
correct
Record 1, Abbreviations, English
- NAD 83 2, record 1, English, NAD%2083
correct
- NAD83 3, record 1, English, NAD83
correct
Record 1, Synonyms, English
- NAD83 Datum 4, record 1, English, NAD83%20Datum
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
The North American Datum of 1983(NAD 83) is the horizontal and geometric control datum for the United States, Canada, Mexico, and Central America. NAD 83 was released in 1986. 2, record 1, English, - North%20American%20Datum%20of%201983
Record 1, French
Record 1, Domaine(s)
- Noms de systèmes
- Géographie mathématique
Record 1, Main entry term, French
- Système de référence géodésique nord-américain de 1983
1, record 1, French, Syst%C3%A8me%20de%20r%C3%A9f%C3%A9rence%20g%C3%A9od%C3%A9sique%20nord%2Dam%C3%A9ricain%20de%201983
correct, masculine noun
Record 1, Abbreviations, French
- NAD 83 2, record 1, French, NAD%2083
correct, masculine noun
- NAD83 1, record 1, French, NAD83
correct, masculine noun
Record 1, Synonyms, French
- Système géodésique nord-américain de 1983 3, record 1, French, Syst%C3%A8me%20g%C3%A9od%C3%A9sique%20nord%2Dam%C3%A9ricain%20de%201983
correct, masculine noun
- NAD 83 3, record 1, French, NAD%2083
correct, masculine noun
- NAD 83 3, record 1, French, NAD%2083
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
Modèle mathématique s'apparentant à la forme de la terre (géoïde). Le Nad 83 (North American Datum) est basé sur l'ellipsoïde GRS80 (Geodetic Reference System of 1980). Cet ellipsoïde est géocentrique. 4, record 1, French, - Syst%C3%A8me%20de%20r%C3%A9f%C3%A9rence%20g%C3%A9od%C3%A9sique%20nord%2Dam%C3%A9ricain%20de%201983
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2021-03-29
Record 2, English
Record 2, Subject field(s)
- Mathematical Geography
Record 2, Main entry term, English
- horizontal datum
1, record 2, English, horizontal%20datum
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- horizontal control datum 2, record 2, English, horizontal%20control%20datum
correct
- horizontal geodetic datum 3, record 2, English, horizontal%20geodetic%20datum
correct
- horizontal geodetic reference system 4, record 2, English, horizontal%20geodetic%20reference%20system
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
A horizontal datum is a specified coordinate system for a collection of positions on the surface of the earth. Traditionally, horizontal datums have used classical surveying methods (i.e. measuring distances and angles through triangulation surveys) to best fit to the surface of the earth. 1, record 2, English, - horizontal%20datum
Record 2, French
Record 2, Domaine(s)
- Géographie mathématique
Record 2, Main entry term, French
- système de référence planimétrique
1, record 2, French, syst%C3%A8me%20de%20r%C3%A9f%C3%A9rence%20planim%C3%A9trique
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- référentiel planimétrique 2, record 2, French, r%C3%A9f%C3%A9rentiel%20planim%C3%A9trique
correct, masculine noun
- système de référence géodésique horizontal 3, record 2, French, syst%C3%A8me%20de%20r%C3%A9f%C3%A9rence%20g%C3%A9od%C3%A9sique%20horizontal
correct, masculine noun
- système de référence horizontal 4, record 2, French, syst%C3%A8me%20de%20r%C3%A9f%C3%A9rence%20horizontal
correct, masculine noun
- référentiel géodésique horizontal 5, record 2, French, r%C3%A9f%C3%A9rentiel%20g%C3%A9od%C3%A9sique%20horizontal
correct, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
[Un] référentiel géodésique [est une] série de caractéristiques définissant la zone de référence ou le système des coordonnées de référence utilisés pour le contrôle géodésique lors du calcul des coordonnées de différents points au sol. Les référentiels géodésiques sont généralement définis en tant que référentiels géodésiques horizontaux et verticaux séparément. 5, record 2, French, - syst%C3%A8me%20de%20r%C3%A9f%C3%A9rence%20planim%C3%A9trique
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2009-11-08
Record 3, English
Record 3, Subject field(s)
- System Names
- Physical Geography (General)
Record 3, Main entry term, English
- Average Terrestrial System 1977
1, record 3, English, Average%20Terrestrial%20System%201977
correct
Record 3, Abbreviations, English
- ATS77 1, record 3, English, ATS77
correct
Record 3, Synonyms, English
- Average Terrestrial System, 1977 2, record 3, English, Average%20Terrestrial%20System%2C%201977
Record 3, Textual support, English
Record number: 3, Textual support number: 1 OBS
ATS77-Average Terrestrial System 1977 : a horizontal datum upon which calculations were based to determine the value of coordinates of control points. 3, record 3, English, - Average%20Terrestrial%20System%201977
Record number: 3, Textual support number: 2 OBS
Average Terrestrial System, 1977 (ATS77): term and abbreviation used at Natural Resources Canada - Earth Sciences Sector. 4, record 3, English, - Average%20Terrestrial%20System%201977
Record 3, French
Record 3, Domaine(s)
- Noms de systèmes
- Géographie physique (Généralités)
Record 3, Main entry term, French
- système de référence terrestre moyen de 1977
1, record 3, French, syst%C3%A8me%20de%20r%C3%A9f%C3%A9rence%20terrestre%20moyen%20de%201977
correct, masculine noun
Record 3, Abbreviations, French
- ATS77 1, record 3, French, ATS77
correct, masculine noun
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 OBS
système de référence terrestre moyen de 1977 (ATS77) : terme et abréviation en usage à Ressources naturelles Canada - Secteur des sciences de la Terre. 2, record 3, French, - syst%C3%A8me%20de%20r%C3%A9f%C3%A9rence%20terrestre%20moyen%20de%201977
Record 3, Spanish
Record 3, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2026
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
GCtranslate (available on the Government of Canada network only)
Use this artificial intelligence prototype to translate Government of Canada content up to and including Protected B. Available to employees of selected departments and agencies only.
Writing tools
The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies
Access Translation Bureau glossaries and vocabularies.
- Date Modified:


