EPSG:3083 NAD83 / Texas Centric Albers Equal Area
Projected system (Albers Equal Area) in use: USA - Texas. The full definition below, and conversion in one click.
| Code | EPSG:3083 |
|---|---|
| Name | NAD83 / Texas Centric Albers Equal Area |
| Type | Projected system — Albers Equal Area |
| Area of use |
USA - Texas United States (USA) - Texas. |
| Bounds | W -106,66° · S 25,83° · E -93,50° · N 36,50° |
| Countries | United States |
| Datum | North American Datum 1983 |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:4269 — NAD83 |
| Unit | metre (X east, Y north) |
| Transformation to WGS 84 | NAD83 to WGS 84 (1) (EPSG:1188) — accuracy 4 m |
| Scope | State-wide spatial data presentation requiring true area measurements. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of false origin | 18 | degree |
| Longitude of false origin | -100 | degree |
| Latitude of 1st standard parallel | 27.5 | degree |
| Latitude of 2nd standard parallel | 35 | degree |
| Easting at false origin | 1500000 | metre |
| Northing at false origin | 6000000 | metre |
proj4 definition
+proj=aea +lat_0=18 +lon_0=-100 +lat_1=27.5 +lat_2=35 +x_0=1500000 +y_0=6000000 +a=6378137 +rf=298.257222101 +units=m +towgs84=0,0,0 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:3083.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_Texas_Centric_Mapping_System_Albers",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Albers"],PARAMETER["False_Easting",1500000.0],PARAMETER["False_Northing",6000000.0],PARAMETER["Central_Meridian",-100.0],PARAMETER["Standard_Parallel_1",27.5],PARAMETER["Standard_Parallel_2",35.0],PARAMETER["Latitude_Of_Origin",18.0],UNIT["Meter",1.0]]Other systems — United States
- EPSG:3071NAD83(HARN) / Wisconsin Transverse Mercator
- EPSG:3072NAD83 / Maine CS2000 East
- EPSG:3074NAD83 / Maine CS2000 West
- EPSG:3075NAD83(HARN) / Maine CS2000 East
- EPSG:3077NAD83(HARN) / Maine CS2000 West
- EPSG:3078NAD83 / Michigan Oblique Mercator
- EPSG:3079NAD83(HARN) / Michigan Oblique Mercator
- EPSG:3080NAD27 / Shackleford
- EPSG:3081NAD83 / Texas State Mapping System
- EPSG:3082NAD83 / Texas Centric Lambert Conformal
- EPSG:3084NAD83(HARN) / Texas Centric Lambert Conformal
- EPSG:3085NAD83(HARN) / Texas Centric Albers Equal Area
- EPSG:3086NAD83 / Florida GDL Albers
- EPSG:3087NAD83(HARN) / Florida GDL Albers
- EPSG:3088NAD83 / Kentucky Single Zone
- EPSG:3089NAD83 / Kentucky Single Zone (ftUS)
- EPSG:3090NAD83(HARN) / Kentucky Single Zone
- EPSG:3091NAD83(HARN) / Kentucky Single Zone (ftUS)
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.