EPSG:3476 NAD83(NSRS2007) / Alaska zone 9
Système projeté (Transverse Mercator) en usage : USA - Alaska - north of 54.5°N; west of 168°W. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:3476 |
|---|---|
| Nom | NAD83(NSRS2007) / Alaska zone 9 |
| Type | Système projeté — Transverse Mercator |
| Zone d'usage |
USA - Alaska - north of 54.5°N; west of 168°W United States (USA) - Alaska onshore north of 54°30'N and west of 168°W. |
| Emprise | O -173,16° · S 56,49° · E -168,00° · N 65,82° |
| Pays | États-Unis |
| Datum | NAD83 (National Spatial Reference System 2007) |
| Ellipsoïde | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Système géographique de base | EPSG:4759 — NAD83(NSRS2007) |
| Unité | metre (X east, Y north) |
| Transformation vers WGS 84 | NAD83(NSRS2007) to WGS 84 (1) (EPSG:15931) — précision 2 m |
| Usage | Engineering survey, topographic mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of natural origin | 54 | degree |
| Longitude of natural origin | -170 | degree |
| Scale factor at natural origin | 0.9999 | unity |
| False easting | 500000 | metre |
| False northing | 0 | metre |
Définition proj4
+proj=tmerc +lat_0=54 +lon_0=-170 +k=0.9999 +x_0=500000 +y_0=0 +ellps=GRS80 +units=m +towgs84=0,0,0 +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:3476.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_NSRS2007_StatePlane_Alaska_9_FIPS_5009",GEOGCS["GCS_NAD_1983_NSRS2007",DATUM["D_NAD_1983_NSRS2007",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-170.0],PARAMETER["Scale_Factor",0.9999],PARAMETER["Latitude_Of_Origin",54.0],UNIT["Meter",1.0]]Autres systèmes — États-Unis
- EPSG:3467NAD83(NSRS2007) / Alaska Albers
- EPSG:3468NAD83(NSRS2007) / Alaska zone 1
- EPSG:3469NAD83(NSRS2007) / Alaska zone 2
- EPSG:3470NAD83(NSRS2007) / Alaska zone 3
- EPSG:3471NAD83(NSRS2007) / Alaska zone 4
- EPSG:3472NAD83(NSRS2007) / Alaska zone 5
- EPSG:3473NAD83(NSRS2007) / Alaska zone 6
- EPSG:3474NAD83(NSRS2007) / Alaska zone 7
- EPSG:3475NAD83(NSRS2007) / Alaska zone 8
- EPSG:3477NAD83(NSRS2007) / Alaska zone 10
- EPSG:3478NAD83(NSRS2007) / Arizona Central
- EPSG:3479NAD83(NSRS2007) / Arizona Central (ft)
- EPSG:3480NAD83(NSRS2007) / Arizona East
- EPSG:3481NAD83(NSRS2007) / Arizona East (ft)
- EPSG:3482NAD83(NSRS2007) / Arizona West
- EPSG:3483NAD83(NSRS2007) / Arizona West (ft)
- EPSG:3484NAD83(NSRS2007) / Arkansas North
- EPSG:3485NAD83(NSRS2007) / Arkansas North (ftUS)
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.