EPSG:3979 NAD83(CSRS) / Canada Atlas Lambert
Projected system (Lambert Conic Conformal (2SP)) in use: Canada. The full definition below, and conversion in one click.
| Code | EPSG:3979 |
|---|---|
| Name | NAD83(CSRS) / Canada Atlas Lambert |
| Type | Projected system — Lambert Conic Conformal (2SP) |
| Area of use |
Canada Canada - onshore and offshore - Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Northwest Territories; Nova Scotia; Nunavut; Ontario; Prince Edward Island; Quebec; Saskatchewan; Yukon. |
| Bounds | W -141,01° · S 38,21° · E -40,73° · N 86,46° |
| Countries | Canada |
| Datum | NAD83 Canadian Spatial Reference System |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:4617 — NAD83(CSRS) |
| Unit | metre (E east, N north) |
| Transformation to WGS 84 | NAD83(CSRS) to WGS 84 (2) (EPSG:1946) — accuracy 1 m |
| Scope | Transformation of coordinates at 5m level of accuracy. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of false origin | 49 | degree |
| Longitude of false origin | -95 | degree |
| Latitude of 1st standard parallel | 49 | degree |
| Latitude of 2nd standard parallel | 77 | degree |
| Easting at false origin | 0 | metre |
| Northing at false origin | 0 | metre |
proj4 definition
+proj=lcc +lat_0=49 +lon_0=-95 +lat_1=49 +lat_2=77 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +towgs84=-0.991,1.9072,0.5129,0.02579,0.00965,0.01166,0 +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:3979.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_CSRS_Canada_Atlas_Lambert",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",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-95.0],PARAMETER["Standard_Parallel_1",49.0],PARAMETER["Standard_Parallel_2",77.0],PARAMETER["Latitude_Of_Origin",49.0],UNIT["Meter",1.0]]Other systems — Canada
- EPSG:3761NAD83(CSRS) / UTM zone 22N
- EPSG:3771NAD27 / Alberta 3TM ref merid 111 W
- EPSG:3772NAD27 / Alberta 3TM ref merid 114 W
- EPSG:3773NAD27 / Alberta 3TM ref merid 117 W
- EPSG:3775NAD83 / Alberta 3TM ref merid 111 W
- EPSG:3776NAD83 / Alberta 3TM ref merid 114 W
- EPSG:3777NAD83 / Alberta 3TM ref merid 117 W
- EPSG:3779NAD83(CSRS) / Alberta 3TM ref merid 111 W
- EPSG:3780NAD83(CSRS) / Alberta 3TM ref merid 114 W
- EPSG:3781NAD83(CSRS) / Alberta 3TM ref merid 117 W
- EPSG:3797NAD27 / MTQ Lambert
- EPSG:3798NAD83 / MTQ Lambert
- EPSG:3799NAD83(CSRS) / MTQ Lambert
- EPSG:3800NAD27 / Alberta 3TM ref merid 120 W
- EPSG:3801NAD83 / Alberta 3TM ref merid 120 W
- EPSG:3802NAD83(CSRS) / Alberta 3TM ref merid 120 W
- EPSG:3978NAD83 / Canada Atlas Lambert
- EPSG:4122ATS77
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.