EPSG:6112 NAD83(CSRS) / EPSG Arctic zone 6-20
Système projeté (Lambert Conic Conformal (2SP)) en usage : Arctic - 71°10'N to 66°10'N, 122°W to 103°W. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:6112 |
|---|---|
| Nom | NAD83(CSRS) / EPSG Arctic zone 6-20 |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
Arctic - 71°10'N to 66°10'N, 122°W to 103°W Arctic - between 71°10'N and 66°10'N, approximately 122°W to approximately 103°W. May be extended westwards or eastwards within the latitude limits. |
| Emprise | O -122,00° · S 66,16° · E -103,00° · N 71,17° |
| Pays | Monde |
| Datum | NAD83 Canadian Spatial Reference System |
| Ellipsoïde | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Système géographique de base | EPSG:4617 — NAD83(CSRS) |
| Unité | metre (E east, N north) |
| Transformation vers WGS 84 | NAD83(CSRS) to WGS 84 (2) (EPSG:1946) — précision 1 m |
| Usage | Exploration and development, mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of false origin | 68.68747555555557 | degree |
| Longitude of false origin | -113 | degree |
| Latitude of 1st standard parallel | 70.33333333333333 | degree |
| Latitude of 2nd standard parallel | 67 | degree |
| Easting at false origin | 20500000 | metre |
| Northing at false origin | 6500000 | metre |
Définition proj4
+proj=lcc +lat_0=68.6874755555556 +lon_0=-113 +lat_1=70.3333333333333 +lat_2=67 +x_0=20500000 +y_0=6500000 +ellps=GRS80 +units=m +towgs84=-0.991,1.9072,0.5129,0.02579,0.00965,0.01166,0 +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:6112.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_CSRS_EPSG_Arctic_zone_6-20",GEOGCS["GCS_North_American_1983_CSRS",DATUM["D_North_American_1983_CSRS",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",20500000.0],PARAMETER["False_Northing",6500000.0],PARAMETER["Central_Meridian",-113.0],PARAMETER["Standard_Parallel_1",70.3333333333333],PARAMETER["Standard_Parallel_2",67.0],PARAMETER["Latitude_Of_Origin",68.6874755555556],UNIT["Meter",1.0]]Autres systèmes — Monde
- EPSG:6102NAD83(CSRS) / EPSG Arctic zone 3-27
- EPSG:6104NAD83(CSRS) / EPSG Arctic zone 4-14
- EPSG:6105NAD83(CSRS) / EPSG Arctic zone 4-16
- EPSG:6106NAD83(CSRS) / EPSG Arctic zone 4-18
- EPSG:6107NAD83(CSRS) / EPSG Arctic zone 5-33
- EPSG:6108NAD83(CSRS) / EPSG Arctic zone 5-35
- EPSG:6109NAD83(CSRS) / EPSG Arctic zone 5-37
- EPSG:6110NAD83(CSRS) / EPSG Arctic zone 5-39
- EPSG:6111NAD83(CSRS) / EPSG Arctic zone 6-18
- EPSG:6113NAD83(CSRS) / EPSG Arctic zone 6-22
- EPSG:6114NAD83(CSRS) / EPSG Arctic zone 6-24
- EPSG:6115WGS 84 / EPSG Arctic zone 1-27
- EPSG:6116WGS 84 / EPSG Arctic zone 1-29
- EPSG:6117WGS 84 / EPSG Arctic zone 1-31
- EPSG:6118WGS 84 / EPSG Arctic zone 1-21
- EPSG:6119WGS 84 / EPSG Arctic zone 2-28
- EPSG:6120WGS 84 / EPSG Arctic zone 2-10
- EPSG:6121WGS 84 / EPSG Arctic zone 2-12
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.