TERMIUM Plus®

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METHODE CREATION MODELE NUMERIQUE TERRAIN [1 record]

Record 1 2011-02-21

English

Subject field(s)
  • Mathematical Geography
  • Modelling (Mathematics)
CONT

Digital Terrain Model (DTM) Method - Establish instrument control stations, site limits, and clearing limits. Survey and record original ground measurements. Use the proper placement of breaklines and regular terrain points. Record a minimum of 10 confidence points. Verify instrument setup by recording elevation and backsight checks.

OBS

DTM-base procedure: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Géographie mathématique
  • Modélisation (Mathématique)
CONT

Depuis plusieurs années, le Groupe Système Forêt a investi plusieurs efforts dans le développement d'une méthodologie de création de modèle numérique de terrain [...] Cette méthode utilise un processus d'interpolation régressive combinant l'hydrographie surfacique structurée avec l'élévation.

OBS

méthode fondée sur les MNT : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

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