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GEOIDE [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2018-02-07

English

Subject field(s)
  • National Bodies and Committees (Canadian)
  • Mathematical Geography
OBS

The mission of [the network] was to consolidate and strengthen the Canadian geomatics industry, while making optimum use of Canada’s research and development resources. [Geomatics for Informed Decisions] aimed to create a sustainable networking structure that integrates all sectors of the Canadian geomatics community.

OBS

A network active from 1998 to 2012.

Key term(s)
  • Geomatics for Informed Decisions Network

French

Domaine(s)
  • Organismes et comités nationaux canadiens
  • Géographie mathématique

Spanish

Save record 1

Record 2 2011-02-15

English

Subject field(s)
  • Geophysics
  • Mathematical Geography
  • Surveying
  • Remote Sensing
DEF

The equipotential surface in the gravity field of the Earth which coincides with the undisturbed mean sea level (MSL) extended continuously through the continents. [Definition officially approved by ICAO.]

OBS

[This surface] is perpendicular at every point to the direction of gravity (the plumb line).

OBS

The geoid is irregular in shape because of local gravitational disturbances (wind riders, salinity, current, etc.) and the direction of gravity is perpendicular to the geoid at every point.

OBS

geoid: term officially approved by the International Civil Aviation Organization (ICAO).

OBS

geoid: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Géophysique
  • Géographie mathématique
  • Arpentage
  • Télédétection
DEF

Surface équipotentielle du champ de pesanteur terrestre qui coïncide avec le niveau moyen de la mer (MSL) hors perturbations et avec son prolongement continu à travers les continents. [Définition uniformisée par l'OACI.]

OBS

La forme du géoïde est irrégulière à cause de perturbations locales du champ de pesanteur (dénivellations dues au vent, salinité, courant, etc.) et la direction de la pesanteur est perpendiculaire au géoïde en tout point.

OBS

géoïde : terme uniformisé par l'Organisation de l'aviation civile internationale (OACI).

OBS

géoïde : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Campo(s) temático(s)
  • Geofísica
  • Geografía matemática
  • Agrimensura
  • Teledetección
DEF

Superficie equipotencial en el campo de gravedad de la Tierra que coincide con el nivel medio del mar (MSL) en calma y su prolongación continental. [Definición aceptada oficialmente por la OACI.]

OBS

El geoide tiene forma irregular debido a las perturbaciones gravitacionales locales (mareas, salinidad, corrientes, etc.) y la dirección de la gravedad es perpendicular al geoide en cada punto.

OBS

geoide: término aceptado oficialmente por la Organización de Aviación Civil Internacional (OACI).

Save record 2

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