EPSG:6121 WGS 84 / EPSG Arctic zone 2-12
Système projeté (Lambert Conic Conformal (2SP)) en usage : Arctic - 84°30'N to 79°30'N, 174°W to 135°W. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:6121 |
|---|---|
| Nom | WGS 84 / EPSG Arctic zone 2-12 |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
Arctic - 84°30'N to 79°30'N, 174°W to 135°W Arctic - between 84°30'N and 79°30'N, approximately 174°W to approximately 135°W. May be extended westwards or eastwards within the latitude limits. |
| Emprise | O -174,00° · S 79,50° · E -134,99° · N 84,51° |
| Pays | Monde |
| Datum | World Geodetic System 1984 |
| Ellipsoïde | WGS 84 a = 6378137 m · 1/f = 298.257223563 |
| Système géographique de base | EPSG:4326 — WGS 84 |
| Unité | metre (E east, N north) |
| Transformation vers WGS 84 | Aucune : c'est WGS 84 |
| Usage | Exploration and development, mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of false origin | 82.05842488888888 | degree |
| Longitude of false origin | -154 | degree |
| Latitude of 1st standard parallel | 83.66666666666667 | degree |
| Latitude of 2nd standard parallel | 80.33333333333333 | degree |
| Easting at false origin | 12500000 | metre |
| Northing at false origin | 2500000 | metre |
Définition proj4
+proj=lcc +lat_0=82.0584248888889 +lon_0=-154 +lat_1=83.6666666666667 +lat_2=80.3333333333333 +x_0=12500000 +y_0=2500000 +datum=WGS84 +units=m +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:6121.
WKT (format ESRI, contenu du .prj)
PROJCS["WGS_1984_EPSG_Arctic_zone_2-12",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",12500000.0],PARAMETER["False_Northing",2500000.0],PARAMETER["Central_Meridian",-154.0],PARAMETER["Standard_Parallel_1",83.6666666666667],PARAMETER["Standard_Parallel_2",80.3333333333333],PARAMETER["Latitude_Of_Origin",82.0584248888889],UNIT["Meter",1.0]]Autres systèmes — Monde
- 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:6112NAD83(CSRS) / EPSG Arctic zone 6-20
- 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:6122WGS 84 / EPSG Arctic zone 3-21
- EPSG:6123WGS 84 / EPSG Arctic zone 3-23
- EPSG:6124WGS 84 / EPSG Arctic zone 4-12
- EPSG:6125ETRS89 / EPSG Arctic zone 5-47
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.