metre
Polar research.
None
Northern hemisphere - north of 60°N onshore and offshore, including Arctic.
Data Source: EPSG v11.016 2024-08-31
Datum: Hughes 1980
Coordinate System: cartesian
Projection: US NSIDC Sea Ice polar stereographic north
Geodetic CRS: Hughes 1980
PROJCRS["NSIDC Sea Ice Polar Stereographic North",
BASEGEOGCRS["Hughes 1980",
DATUM["Hughes 1980",
ELLIPSOID["Hughes 1980",6378273,298.279411123064,
LENGTHUNIT["metre",1]]],
PRIMEM["Greenwich",0,
ANGLEUNIT["degree",0.0174532925199433]],
ID["EPSG",10345]],
CONVERSION["US NSIDC Sea Ice polar stereographic north",
METHOD["Polar Stereographic (variant B)",
ID["EPSG",9829]],
PARAMETER["Latitude of standard parallel",70,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8832]],
PARAMETER["Longitude of origin",-45,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8833]],
PARAMETER["False easting",0,
LENGTHUNIT["metre",1],
ID["EPSG",8806]],
PARAMETER["False northing",0,
LENGTHUNIT["metre",1],
ID["EPSG",8807]]],
CS[Cartesian,2],
AXIS["easting (X)",south,
MERIDIAN[45,
ANGLEUNIT["degree",0.0174532925199433]],
ORDER[1],
LENGTHUNIT["metre",1]],
AXIS["northing (Y)",south,
MERIDIAN[135,
ANGLEUNIT["degree",0.0174532925199433]],
ORDER[2],
LENGTHUNIT["metre",1]],
USAGE[
SCOPE["Polar research."],
AREA["Northern hemisphere - north of 60°N onshore and offshore, including Arctic."],
BBOX[60,-180,90,180]],
ID["EPSG",3411]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "ProjectedCRS",
"name": "NSIDC Sea Ice Polar Stereographic North",
"base_crs": {
"name": "Hughes 1980",
"datum": {
"type": "GeodeticReferenceFrame",
"name": "Hughes 1980",
"ellipsoid": {
"name": "Hughes 1980",
"semi_major_axis": 6378273,
"semi_minor_axis": 6356889.449
}
},
"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": 10345
}
},
"conversion": {
"name": "US NSIDC Sea Ice polar stereographic north",
"method": {
"name": "Polar Stereographic (variant B)",
"id": {
"authority": "EPSG",
"code": 9829
}
},
"parameters": [
{
"name": "Latitude of standard parallel",
"value": 70,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8832
}
},
{
"name": "Longitude of origin",
"value": -45,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8833
}
},
{
"name": "False easting",
"value": 0,
"unit": "metre",
"id": {
"authority": "EPSG",
"code": 8806
}
},
{
"name": "False northing",
"value": 0,
"unit": "metre",
"id": {
"authority": "EPSG",
"code": 8807
}
}
]
},
"coordinate_system": {
"subtype": "Cartesian",
"axis": [
{
"name": "Easting",
"abbreviation": "X",
"direction": "south",
"meridian": {
"longitude": 45
},
"unit": "metre"
},
{
"name": "Northing",
"abbreviation": "Y",
"direction": "south",
"meridian": {
"longitude": 135
},
"unit": "metre"
}
]
},
"scope": "Polar research.",
"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": 3411
}
}
{'crs_wkt': 'PROJCRS["NSIDC Sea Ice Polar Stereographic '
'North",BASEGEOGCRS["Hughes 1980",DATUM["Hughes '
'1980",ELLIPSOID["Hughes '
'1980",6378273,298.279411123064,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",10345]],CONVERSION["US '
'NSIDC Sea Ice polar stereographic north",METHOD["Polar '
'Stereographic (variant B)",ID["EPSG",9829]],PARAMETER["Latitude '
'of standard '
'parallel",70,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8832]],PARAMETER["Longitude '
'of '
'origin",-45,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8833]],PARAMETER["False '
'easting",0,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False '
'northing",0,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["easting '
'(X)",south,MERIDIAN[45,ANGLEUNIT["degree",0.0174532925199433]],ORDER[1],LENGTHUNIT["metre",1]],AXIS["northing '
'(Y)",south,MERIDIAN[135,ANGLEUNIT["degree",0.0174532925199433]],ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Polar '
'research."],AREA["Northern hemisphere - north of 60°N onshore and '
'offshore, including '
'Arctic."],BBOX[60,-180,90,180]],ID["EPSG",3411]]',
'false_easting': 0.0,
'false_northing': 0.0,
'geographic_crs_name': 'Hughes 1980',
'grid_mapping_name': 'polar_stereographic',
'horizontal_datum_name': 'Hughes 1980',
'inverse_flattening': 298.279411123064,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'NSIDC Sea Ice Polar Stereographic North',
'reference_ellipsoid_name': 'Hughes 1980',
'semi_major_axis': 6378273.0,
'semi_minor_axis': 6356889.449,
'standard_parallel': 70.0,
'straight_vertical_longitude_from_pole': -45.0}