GEOSCAN, résultats de la recherche

Menu GEOSCAN


TitreDigital elevation model and shaded relief map
TéléchargerTéléchargement (publication entière)
SourceDigital geoscience atlas of Baffin Island (south of 70°N and east of 80°W), Nunavut; par St-Onge, M R; Ford, A; Henderson, I; Commission géologique du Canada, Dossier public 5116, 2007., https://doi.org/10.4095/223351
LiensMetadata - Métadonnées 1
LiensMetadata - Métadonnées 2
LiensErratum
Année2007
Documentdossier public
Lang.anglais
DOIhttps://doi.org/10.4095/223351
Info. cartetopographique, 1/50,000
Info. cartetopographique, 1/250,000
Info. cartetopographique, 1/50,000
Info. cartetopographique, 1/250,000
MediaDVD; numérique; en ligne
Référence reliéeCette publication est contenue dans St-Onge, M R; Ford, A; Henderson, I; (2007). Digital geoscience atlas of Baffin Island (south of 70°N and east of 80°W), Nunavut, Commission géologique du Canada, Dossier public 5116, éd. rev.
Formatsshp; txt; xml; pdf
ProvinceNunavut
SNRC15M; 16D; 16E; 16K; 16L; 16M; 25G; 25H; 25I; 25J; 25K; 25L; 25M; 25N; 25O; 25P; 26; 27A; 27B; 27C; 27D; 35M; 35N; 35O; 35P; 36; 37A; 37B; 37C; 37D
Lat/Long OENS-80.0000 -60.0000 70.0000 61.0000
Sujetscompilation; topographie; modélisation numérique de terrain; géologie générale
Consultation
Endroit
 
Bibliothèque de Ressources naturelles Canada - Ottawa (Sciences de la Terre)
 
Bureau géoscientifique Canada-Nunavut
 
Commission géologique du Canada (Atlantique)
 
Bibliothèque de Ressources naturelles Canada - Québec (Sciences de la Terre)
 
Bibliothèque de Ressources naturelles Canada - Calgary (Sciences de la Terre)
 
Bibliothèque de Ressources naturelles Canada - Vancouver (Sciences de la Terre)
 
Diffusé2007 01 29
Résumé(disponible en anglais seulement)
The Canadian Digital Elevation Data, Level 1 (CDED1) consists of an ordered array of ground elevations at regularly spaced intervals. The CDED1 is based on National Topographic Data Base (NTDB) digital files at scales of 1:50 000 and 1:250 000 or various scaled positional data acquired from the provinces, according to the National Topographic System (NTS).
The coverage for every file corresponds to half an NTS map, which means that there are western and eastern parts to the CDED1 for each NTS map. The grid spacing is based on geographic coordinates at a maximum and minimum resolution of 0.75 and 3 arc seconds for the 1:50 000, and 3 and 12 arc seconds for the 1:250 000 respectively, depending on latitude. A CDED1 file consists of elevation data recorded in metres relative to Mean Sea Level (MSL) based on the North American Datum 1983 (NAD83) horizontal reference datum. The Centre for Topographic Information (CTI) jointly produces the CDED1 with federal and provincial government agencies and the private sector, using terrain-modelling software.
CDED1 files are delivered in ASCII format for either DOS or UNIX operating systems and are available via the File Transfer Protocol (FTP). The data should be compatible with all translators designed for the United States Geological Survey (USGS) Digital Terrain Elevation Data (DTED). The files are compressed using the PKZIP compression software.
The shaded relief image is created from the The Canadian Digital Elevation Data, Level 1 (CDED1) which consists of an ordered array of ground elevations at regularly spaced intervals. The CDED1 is based on National Topographic Data Base (NTDB) digital files at scales of 1:50 000 and 1:250 000 or various scaled positional data acquired from the provinces, according to the National Topographic System (NTS). The shaded relief image gives a simulated appearance of the sun shining on the terrane at a specific azimuth and altitude.
GEOSCAN ID223351