EPSG:26708 NAD27 / UTM zone 8N
Système projeté (Transverse Mercator) en usage : North America - 138°W to 132°W and NAD27 by country - onshore. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:26708 |
|---|---|
| Nom | NAD27 / UTM zone 8N |
| Type | Système projeté — Transverse Mercator |
| Zone d'usage |
North America - 138°W to 132°W and NAD27 by country - onshore North America - between 138°W and 132°W - onshore. Canada - British Columbia; Northwest Territiories; Yukon. United States (USA) - Alaska. Onshore for Canadian British Columbia & Arctic and for US Pacific coast including Alaska panhandle. |
| Emprise | O -138,00° · S 52,58° · E -132,00° · N 73,04° |
| Pays | Canada, États-Unis |
| Datum | North American Datum 1927 |
| Ellipsoïde | Clarke 1866 a = 6378206.4 m · 1/f = 294.978698214 |
| Système géographique de base | EPSG:4267 — NAD27 |
| Unité | metre (E east, N north) |
| Transformation vers WGS 84 | NAD27 to WGS 84 (3) (EPSG:1172) — précision 20 m |
| Usage | Engineering survey, topographic mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | -135 | degree |
| Scale factor at natural origin | 0.9996 | unity |
| False easting | 500000 | metre |
| False northing | 0 | metre |
Définition proj4
+proj=utm +zone=8 +a=6378206.4000000004 +rf=294.9786982139 +units=m +towgs84=-10,158,187 +no_defsÀ coller dans QGIS, proj4js, PostGIS (spatial_ref_sys) ou GDAL. +towgs84 porte la transformation EPSG vers WGS 84 ; le code officiel reste EPSG:26708.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1927_UTM_Zone_8N",GEOGCS["GCS_North_American_1927",DATUM["D_North_American_1927",SPHEROID["Clarke_1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-135.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]Autres systèmes — Canada
- EPSG:26707NAD27 / UTM zone 7N
- EPSG:26709NAD27 / UTM zone 9N
- EPSG:26710NAD27 / UTM zone 10N
- EPSG:26711NAD27 / UTM zone 11N
- EPSG:26712NAD27 / UTM zone 12N
- EPSG:26713NAD27 / UTM zone 13N
- EPSG:26714NAD27 / UTM zone 14N
- EPSG:26719NAD27 / UTM zone 19N
- EPSG:26720NAD27 / UTM zone 20N
- EPSG:26721NAD27 / UTM zone 21N
- EPSG:26722NAD27 / UTM zone 22N
- EPSG:26891NAD83(CSRS) / MTM zone 11
- EPSG:26892NAD83(CSRS) / MTM zone 12
- EPSG:26893NAD83(CSRS) / MTM zone 13
- EPSG:26894NAD83(CSRS) / MTM zone 14
- EPSG:26895NAD83(CSRS) / MTM zone 15
- EPSG:26896NAD83(CSRS) / MTM zone 16
- EPSG:26897NAD83(CSRS) / MTM zone 17
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.