Regionally coherent numerical hydro terrain models

These digital terrain models (MNT) offer a regional digital representation of Quebec's relief based on altimetric (altitude) and planimetric (rectangular or geographic) data. They are the result of a collaboration between the Department of Natural Resources and Forests (MRNF) and Natural Resources Canada (NRCan) under the Agreement to produce an up-to-date digital map of northern Quebec and the creation of the “National Hydro Network (RHN)” product for the territory of Quebec. When integrated into a geographic information system, these models allow the implementation of multiple types of spatial analysis such as natural risks, landscape analysis, infrastructure installation, etc. NMTs are obtained as a result of hypsometric and hydrographic data processing that uses the concept of hydro-coherence, consisting in interpolating altimetric values by ensuring a connected drainage network and a fair representation of ridges and watercourses.. The oriented filament of the RHN makes it possible to rate lakes and to control the altimetric descent of watercourses. The final product is a quality portrait of the relief at a scale of 1:50,000. MNT provide altitude values that are based on a grid with a resolution of 0.324 arcseconds in geographic coordinates, which corresponds to a resolution of about 10 meters in the field.**This third party metadata element was translated using an automated translation tool (Amazon Translate).**

Simple

Date ( RI_367 )
2018-02-22
Date ( RI_366 )
2018-02-22
RI_418
  Government and Municipalities of Québec; Government and Municipalities of Québec; Ministère des Ressources naturelles et des Forêts - Direction générale de l’information géospatiale ( )
https://www.donneesquebec.ca
Status
historicalArchive; archiveHistorique RI_594
Maintenance and update frequency
notPlanned; nonPlanifié RI_542
Keywords ( RI_528 )
  • Altitude
  • Hydro coherence
  • Hydrography
  • Hypsometry
  • MNA
  • DEM
  • Model
  • north
  • Nordic
  • Terrain
  • Topography
  • Elevation
Government of Canada Core Subject Thesaurus Thésaurus des sujets de base du gouvernement du Canada ( RI_528 )
  • Government information
Use limitation
Creative Commons 4.0 Attribution (CC-BY) licence – Quebec (https://www.donneesquebec.ca/fr/licence/)
Access constraints
license; licence RI_606
Use constraints
license; licence RI_606
Spatial representation type
grid; grille RI_636
Metadata language
eng; CAN
Metadata language
fra; CAN
Topic category
  • Geoscientific information
Begin date
0001-01-01
N
S
E
W
thumbnail


Reference system identifier
unknown / unknown / unknown
Distribution format
  • CSV ( unknown )

  • GeoTIF ( unknown )

  • HTML ( unknown )

  • PDF ( unknown )

  • SHP ( unknown )

  • WMS ( unknown )

  • WMTS ( unknown )

RI_418
  Government and Municipalities of Québec; Government and Municipalities of Québec; Ministère des Ressources naturelles et des Forêts - Direction générale de l’information géospatiale ( )
https://www.donneesquebec.ca
OnLine resource
Download index (csv format) per sheet 1/50,000 ( HTTPS )

Dataset;CSV;fra

OnLine resource
Download index (csv format) per sheet 1/250,000 ( HTTPS )

Dataset;CSV;fra

OnLine resource
List of NCDs by sheet 1/50,000 ( HTTPS )

Dataset;GeoTIF;fra

OnLine resource
List of NCDs by sheet 1/250,000 ( HTTPS )

Dataset;GeoTIF;fra

OnLine resource
Interactive map of NCDs ( HTTPS )

Dataset;HTML;fra

OnLine resource
Download card per sheet 1/50,000 ( HTTPS )

Dataset;HTML;fra

OnLine resource
Download card per sheet 1/250,000 ( HTTPS )

Dataset;HTML;fra

OnLine resource
Original metadata (https://www.donneesquebec.ca) ( HTTPS )

Dataset;HTML;fra

OnLine resource
Map index by sheet 1/50,000 ( HTTPS )

Supporting Document;PDF;fra

OnLine resource
Cartographic index per sheet 1/250,000 ( HTTPS )

Supporting Document;PDF;fra

OnLine resource
Download index (shp format) per sheet 1/50,000 ( HTTPS )

Dataset;SHP;fra

OnLine resource
Download index (shp format) per sheet 1/250,000 ( HTTPS )

Dataset;SHP;fra

OnLine resource
MNT WMS service ( HTTPS )

Web Service;WMS;fra

OnLine resource
MNT WMS service ( HTTPS )

Web Service;WMS;fra

OnLine resource
MNT WMTS service ( HTTPS )

Web Service;WMTS;fra

File identifier
50ea1add-c7d3-4425-a695-e49618cf7ffe XML
Metadata language
eng; CAN
Character set
utf8; utf8 RI_458
Hierarchy level
dataset; jeuDonnées RI_622
Date stamp
2023-07-14
Metadata standard name
North American Profile of ISO 19115:2003 - Geographic information - Metadata
Metadata standard version
HNAP ISO:19115 - 2003
RI_418
  Government and Municipalities of Québec; Government and Municipalities of Québec; Ministère des Ressources naturelles et des Forêts - Direction générale de l’information géospatiale ( )
https://www.donneesquebec.ca
 
 

Overviews

overview

Spatial extent

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thumbnail


Keywords


Provided by

Associated resources

Not available