EPSG:6081 WGS 84 / EPSG Arctic zone 4-30
Système projeté (Lambert Conic Conformal (2SP)) en usage : Arctic - 77°50'N to 72°50'N, 46°E to 70°E. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:6081 |
|---|---|
| Nom | WGS 84 / EPSG Arctic zone 4-30 |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
Arctic - 77°50'N to 72°50'N, 46°E to 70°E Arctic - between 77°50'N and 72°50'N, approximately 46°E to approximately 70°E. May be extended westwards or eastwards within the latitude limits. |
| Emprise | O 46,00° · S 72,83° · E 70,01° · N 77,84° |
| 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 | 75.36440330555556 | degree |
| Longitude of false origin | 58 | degree |
| Latitude of 1st standard parallel | 77 | degree |
| Latitude of 2nd standard parallel | 73.66666666666667 | degree |
| Easting at false origin | 30500000 | metre |
| Northing at false origin | 4500000 | metre |
Définition proj4
+proj=lcc +lat_0=75.3644033055556 +lon_0=58 +lat_1=77 +lat_2=73.6666666666667 +x_0=30500000 +y_0=4500000 +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:6081.
WKT (format ESRI, contenu du .prj)
PROJCS["WGS_1984_EPSG_Arctic_zone_4-30",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",30500000.0],PARAMETER["False_Northing",4500000.0],PARAMETER["Central_Meridian",58.0],PARAMETER["Standard_Parallel_1",77.0],PARAMETER["Standard_Parallel_2",73.6666666666667],PARAMETER["Latitude_Of_Origin",75.3644033055556],UNIT["Meter",1.0]]Autres systèmes — Monde
- EPSG:6069ETRS89 / EPSG Arctic zone 2-22
- EPSG:6071ETRS89 / EPSG Arctic zone 4-26
- EPSG:6072ETRS89 / EPSG Arctic zone 4-28
- EPSG:6073ETRS89 / EPSG Arctic zone 5-11
- EPSG:6074ETRS89 / EPSG Arctic zone 5-13
- EPSG:6075WGS 84 / EPSG Arctic zone 2-24
- EPSG:6076WGS 84 / EPSG Arctic zone 2-26
- EPSG:6082WGS 84 / EPSG Arctic zone 4-32
- EPSG:6083WGS 84 / EPSG Arctic zone 4-34
- EPSG:6084WGS 84 / EPSG Arctic zone 4-36
- EPSG:6085WGS 84 / EPSG Arctic zone 4-38
- EPSG:6086WGS 84 / EPSG Arctic zone 4-40
- EPSG:6087WGS 84 / EPSG Arctic zone 5-15
- EPSG:6088WGS 84 / EPSG Arctic zone 5-17
- EPSG:6089WGS 84 / EPSG Arctic zone 5-19
- EPSG:6090WGS 84 / EPSG Arctic zone 5-21
- EPSG:6091WGS 84 / EPSG Arctic zone 5-23
- EPSG:6092WGS 84 / EPSG Arctic zone 5-25
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.