metre
Arctic small scale mapping - Alaska-centred.
None
Northern hemisphere - north of 60°N onshore and offshore, including Arctic.
Data Source: EPSG v11.016 2024-08-31
Datum: World Geodetic System 1984 ensemble
Coordinate System: cartesian
Projection: EPSG Alaska Polar Stereographic
Geodetic CRS: WGS 84
PROJCRS["WGS 84 / EPSG Alaska Polar Stereographic",
BASEGEOGCRS["WGS 84",
ENSEMBLE["World Geodetic System 1984 ensemble",
MEMBER["World Geodetic System 1984 (Transit)"],
MEMBER["World Geodetic System 1984 (G730)"],
MEMBER["World Geodetic System 1984 (G873)"],
MEMBER["World Geodetic System 1984 (G1150)"],
MEMBER["World Geodetic System 1984 (G1674)"],
MEMBER["World Geodetic System 1984 (G1762)"],
MEMBER["World Geodetic System 1984 (G2139)"],
MEMBER["World Geodetic System 1984 (G2296)"],
ELLIPSOID["WGS 84",6378137,298.257223563,
LENGTHUNIT["metre",1]],
ENSEMBLEACCURACY[2.0]],
PRIMEM["Greenwich",0,
ANGLEUNIT["degree",0.0174532925199433]],
ID["EPSG",4326]],
CONVERSION["EPSG Alaska Polar Stereographic",
METHOD["Polar Stereographic (variant A)",
ID["EPSG",9810]],
PARAMETER["Latitude of natural origin",90,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8801]],
PARAMETER["Longitude of natural origin",-150,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8802]],
PARAMETER["Scale factor at natural origin",0.994,
SCALEUNIT["unity",1],
ID["EPSG",8805]],
PARAMETER["False easting",2000000,
LENGTHUNIT["metre",1],
ID["EPSG",8806]],
PARAMETER["False northing",2000000,
LENGTHUNIT["metre",1],
ID["EPSG",8807]]],
CS[Cartesian,2],
AXIS["easting (X)",south,
MERIDIAN[-60,
ANGLEUNIT["degree",0.0174532925199433]],
ORDER[1],
LENGTHUNIT["metre",1]],
AXIS["northing (Y)",south,
MERIDIAN[30,
ANGLEUNIT["degree",0.0174532925199433]],
ORDER[2],
LENGTHUNIT["metre",1]],
USAGE[
SCOPE["Arctic small scale mapping - Alaska-centred."],
AREA["Northern hemisphere - north of 60°N onshore and offshore, including Arctic."],
BBOX[60,-180,90,180]],
ID["EPSG",5936]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "ProjectedCRS",
"name": "WGS 84 / EPSG Alaska Polar Stereographic",
"base_crs": {
"name": "WGS 84",
"datum_ensemble": {
"name": "World Geodetic System 1984 ensemble",
"members": [
{
"name": "World Geodetic System 1984 (Transit)",
"id": {
"authority": "EPSG",
"code": 1166
}
},
{
"name": "World Geodetic System 1984 (G730)",
"id": {
"authority": "EPSG",
"code": 1152
}
},
{
"name": "World Geodetic System 1984 (G873)",
"id": {
"authority": "EPSG",
"code": 1153
}
},
{
"name": "World Geodetic System 1984 (G1150)",
"id": {
"authority": "EPSG",
"code": 1154
}
},
{
"name": "World Geodetic System 1984 (G1674)",
"id": {
"authority": "EPSG",
"code": 1155
}
},
{
"name": "World Geodetic System 1984 (G1762)",
"id": {
"authority": "EPSG",
"code": 1156
}
},
{
"name": "World Geodetic System 1984 (G2139)",
"id": {
"authority": "EPSG",
"code": 1309
}
},
{
"name": "World Geodetic System 1984 (G2296)",
"id": {
"authority": "EPSG",
"code": 1383
}
}
],
"ellipsoid": {
"name": "WGS 84",
"semi_major_axis": 6378137,
"inverse_flattening": 298.257223563
},
"accuracy": "2.0",
"id": {
"authority": "EPSG",
"code": 6326
}
},
"coordinate_system": {
"subtype": "ellipsoidal",
"axis": [
{
"name": "Geodetic latitude",
"abbreviation": "Lat",
"direction": "north",
"unit": "degree"
},
{
"name": "Geodetic longitude",
"abbreviation": "Lon",
"direction": "east",
"unit": "degree"
}
]
},
"id": {
"authority": "EPSG",
"code": 4326
}
},
"conversion": {
"name": "EPSG Alaska Polar Stereographic",
"method": {
"name": "Polar Stereographic (variant A)",
"id": {
"authority": "EPSG",
"code": 9810
}
},
"parameters": [
{
"name": "Latitude of natural origin",
"value": 90,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8801
}
},
{
"name": "Longitude of natural origin",
"value": -150,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8802
}
},
{
"name": "Scale factor at natural origin",
"value": 0.994,
"unit": "unity",
"id": {
"authority": "EPSG",
"code": 8805
}
},
{
"name": "False easting",
"value": 2000000,
"unit": "metre",
"id": {
"authority": "EPSG",
"code": 8806
}
},
{
"name": "False northing",
"value": 2000000,
"unit": "metre",
"id": {
"authority": "EPSG",
"code": 8807
}
}
]
},
"coordinate_system": {
"subtype": "Cartesian",
"axis": [
{
"name": "Easting",
"abbreviation": "X",
"direction": "south",
"meridian": {
"longitude": -60
},
"unit": "metre"
},
{
"name": "Northing",
"abbreviation": "Y",
"direction": "south",
"meridian": {
"longitude": 30
},
"unit": "metre"
}
]
},
"scope": "Arctic small scale mapping - Alaska-centred.",
"area": "Northern hemisphere - north of 60°N onshore and offshore, including Arctic.",
"bbox": {
"south_latitude": 60,
"west_longitude": -180,
"north_latitude": 90,
"east_longitude": 180
},
"id": {
"authority": "EPSG",
"code": 5936
}
}
{'crs_wkt': 'PROJCRS["WGS 84 / EPSG Alaska Polar '
'Stereographic",BASEGEOGCRS["WGS 84",ENSEMBLE["World Geodetic '
'System 1984 ensemble",MEMBER["World Geodetic System 1984 '
'(Transit)"],MEMBER["World Geodetic System 1984 '
'(G730)"],MEMBER["World Geodetic System 1984 '
'(G873)"],MEMBER["World Geodetic System 1984 '
'(G1150)"],MEMBER["World Geodetic System 1984 '
'(G1674)"],MEMBER["World Geodetic System 1984 '
'(G1762)"],MEMBER["World Geodetic System 1984 '
'(G2139)"],MEMBER["World Geodetic System 1984 '
'(G2296)"],ELLIPSOID["WGS '
'84",6378137,298.257223563,LENGTHUNIT["metre",1]],ENSEMBLEACCURACY[2.0]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4326]],CONVERSION["EPSG '
'Alaska Polar Stereographic",METHOD["Polar Stereographic (variant '
'A)",ID["EPSG",9810]],PARAMETER["Latitude of natural '
'origin",90,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude '
'of natural '
'origin",-150,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale '
'factor at natural '
'origin",0.994,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False '
'easting",2000000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False '
'northing",2000000,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["easting '
'(X)",south,MERIDIAN[-60,ANGLEUNIT["degree",0.0174532925199433]],ORDER[1],LENGTHUNIT["metre",1]],AXIS["northing '
'(Y)",south,MERIDIAN[30,ANGLEUNIT["degree",0.0174532925199433]],ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Arctic '
'small scale mapping - Alaska-centred."],AREA["Northern hemisphere '
'- north of 60°N onshore and offshore, including '
'Arctic."],BBOX[60,-180,90,180]],ID["EPSG",5936]]',
'false_easting': 2000000.0,
'false_northing': 2000000.0,
'geographic_crs_name': 'WGS 84',
'grid_mapping_name': 'polar_stereographic',
'horizontal_datum_name': 'World Geodetic System 1984 ensemble',
'inverse_flattening': 298.257223563,
'latitude_of_projection_origin': 90.0,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'WGS 84 / EPSG Alaska Polar Stereographic',
'reference_ellipsoid_name': 'WGS 84',
'scale_factor_at_projection_origin': 0.994,
'semi_major_axis': 6378137.0,
'semi_minor_axis': 6356752.314245179,
'straight_vertical_longitude_from_pole': -150.0}