EPSG:3409 - NSIDC EASE-Grid South

Attributes

Unit

metre

Scope

Environmental science - used as basis for EASE grid.

Remarks

None

Area of use

Southern hemisphere.

Data Source: EPSG v11.016 2024-08-31

Datum: NSIDC International 1924 Authalic Sphere

Coordinate System: cartesian

Projection: US NSIDC Equal Area south projection

Geodetic CRS: NSIDC Authalic Sphere

Export

PROJCRS["NSIDC EASE-Grid South",
    BASEGEOGCRS["NSIDC Authalic Sphere",
        DATUM["NSIDC International 1924 Authalic Sphere",
            ELLIPSOID["International 1924 Authalic Sphere",6371228,0,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",10346]],
    CONVERSION["US NSIDC Equal Area south projection",
        METHOD["Lambert Azimuthal Equal Area (Spherical)",
            ID["EPSG",1027]],
        PARAMETER["Latitude of natural origin",-90,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",0,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        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)",north,
            MERIDIAN[90,
                ANGLEUNIT["degree",0.0174532925199433]],
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["northing (Y)",north,
            MERIDIAN[0,
                ANGLEUNIT["degree",0.0174532925199433]],
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Environmental science - used as basis for EASE grid."],
        AREA["Southern hemisphere."],
        BBOX[-90,-180,0,180]],
    ID["EPSG",3409]]
{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "ProjectedCRS",
  "name": "NSIDC EASE-Grid South",
  "base_crs": {
    "name": "NSIDC Authalic Sphere",
    "datum": {
      "type": "GeodeticReferenceFrame",
      "name": "NSIDC International 1924 Authalic Sphere",
      "ellipsoid": {
        "name": "International 1924 Authalic Sphere",
        "radius": 6371228
      }
    },
    "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": 10346
    }
  },
  "conversion": {
    "name": "US NSIDC Equal Area south projection",
    "method": {
      "name": "Lambert Azimuthal Equal Area (Spherical)",
      "id": {
        "authority": "EPSG",
        "code": 1027
      }
    },
    "parameters": [
      {
        "name": "Latitude of natural origin",
        "value": -90,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8801
        }
      },
      {
        "name": "Longitude of natural origin",
        "value": 0,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8802
        }
      },
      {
        "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": "north",
        "meridian": {
          "longitude": 90
        },
        "unit": "metre"
      },
      {
        "name": "Northing",
        "abbreviation": "Y",
        "direction": "north",
        "meridian": {
          "longitude": 0
        },
        "unit": "metre"
      }
    ]
  },
  "scope": "Environmental science - used as basis for EASE grid.",
  "area": "Southern hemisphere.",
  "bbox": {
    "south_latitude": -90,
    "west_longitude": -180,
    "north_latitude": 0,
    "east_longitude": 180
  },
  "id": {
    "authority": "EPSG",
    "code": 3409
  }
}
{'crs_wkt': 'PROJCRS["NSIDC EASE-Grid South",BASEGEOGCRS["NSIDC Authalic '
            'Sphere",DATUM["NSIDC International 1924 Authalic '
            'Sphere",ELLIPSOID["International 1924 Authalic '
            'Sphere",6371228,0,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",10346]],CONVERSION["US '
            'NSIDC Equal Area south projection",METHOD["Lambert Azimuthal '
            'Equal Area (Spherical)",ID["EPSG",1027]],PARAMETER["Latitude of '
            'natural '
            'origin",-90,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude '
            'of natural '
            'origin",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],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)",north,MERIDIAN[90,ANGLEUNIT["degree",0.0174532925199433]],ORDER[1],LENGTHUNIT["metre",1]],AXIS["northing '
            '(Y)",north,MERIDIAN[0,ANGLEUNIT["degree",0.0174532925199433]],ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Environmental '
            'science - used as basis for EASE grid."],AREA["Southern '
            'hemisphere."],BBOX[-90,-180,0,180]],ID["EPSG",3409]]'}