Geodetic CRS: Nahrwan 1967
Datum: Nahrwan 1967
Ellipsoid: Clarke 1880 (RGS)
Prime meridian: Greenwich
Data source: EPSG
Information source: Ministry of Oil 2008 licence round.
Revision date: 2010-03-31
Scope: Approximate transformation of seismic data acquired before 1985 to CRS used post 1985.
Remarks: There is some doubt as to whether source CRS is Nahrwan 1967 or Nahrwan 1934. May be emulated using geocentric translations from Nahrwan 1967 to Karbala 1979 of dX=-313, dY=193 and dZ=153m.
Method: Cartesian Grid Offsets
Area of use: Iraq - south of UTM 3290000mN (approximately 29°47'N) and west of UTM 600000mE (approximately 46°04'E).
Description: (0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["Nahrwan 1967 / UTM zone 38N to Karbala 1979 / UTM zone 38N (24)", VERSION["MoO-Irq map B sheet 24"], SOURCECRS[ PROJCRS["Nahrwan 1967 / UTM zone 38N", BASEGEOGCRS["Nahrwan 1967", DATUM["Nahrwan 1967", ELLIPSOID["Clarke 1880 (RGS)",6378249.145,293.465, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4270]], CONVERSION["UTM zone 38N", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",45, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.9996, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",500000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",0, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["(E)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["(N)",north, ORDER[2], LENGTHUNIT["metre",1]], ID["EPSG",27038]]], TARGETCRS[ PROJCRS["Karbala 1979 / UTM zone 38N", BASEGEOGCRS["Karbala 1979", DATUM["Karbala 1979", ELLIPSOID["Clarke 1880 (RGS)",6378249.145,293.465, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4743]], CONVERSION["UTM zone 38N", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",45, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.9996, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",500000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",0, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["(E)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["(N)",north, ORDER[2], LENGTHUNIT["metre",1]], ID["EPSG",3392]]], METHOD["Cartesian Grid Offsets", ID["EPSG",9656]], PARAMETER["Easting offset",358, LENGTHUNIT["metre",1], ID["EPSG",8728]], PARAMETER["Northing offset",175, LENGTHUNIT["metre",1], ID["EPSG",8729]], OPERATIONACCURACY[5.0], USAGE[ SCOPE["Approximate transformation of seismic data acquired before 1985 to CRS used post 1985."], AREA["Iraq - south of UTM 3290000mN (approximately 29°47'N) and west of UTM 600000mE (approximately 46°04'E)."], BBOX[29.09,43.99,29.75,46.04]], ID["EPSG",5096], REMARK["There is some doubt as to whether source CRS is Nahrwan 1967 or Nahrwan 1934. May be emulated using geocentric translations from Nahrwan 1967 to Karbala 1979 of dX=-313, dY=193 and dZ=153m."]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "Nahrwan 1967 / UTM zone 38N to Karbala 1979 / UTM zone 38N (24)", "source_crs": { "type": "ProjectedCRS", "name": "Nahrwan 1967 / UTM zone 38N", "base_crs": { "name": "Nahrwan 1967", "datum": { "type": "GeodeticReferenceFrame", "name": "Nahrwan 1967", "ellipsoid": { "name": "Clarke 1880 (RGS)", "semi_major_axis": 6378249.145, "inverse_flattening": 293.465 } }, "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": 4270 } }, "conversion": { "name": "UTM zone 38N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 45, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "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": "E", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 27038 } }, "target_crs": { "type": "ProjectedCRS", "name": "Karbala 1979 / UTM zone 38N", "base_crs": { "name": "Karbala 1979", "datum": { "type": "GeodeticReferenceFrame", "name": "Karbala 1979", "ellipsoid": { "name": "Clarke 1880 (RGS)", "semi_major_axis": 6378249.145, "inverse_flattening": 293.465 } }, "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": 4743 } }, "conversion": { "name": "UTM zone 38N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 45, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "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": "E", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 3392 } }, "method": { "name": "Cartesian Grid Offsets", "id": { "authority": "EPSG", "code": 9656 } }, "parameters": [ { "name": "Easting offset", "value": 358, "unit": "metre", "id": { "authority": "EPSG", "code": 8728 } }, { "name": "Northing offset", "value": 175, "unit": "metre", "id": { "authority": "EPSG", "code": 8729 } } ], "accuracy": "5.0", "scope": "Approximate transformation of seismic data acquired before 1985 to CRS used post 1985.", "area": "Iraq - south of UTM 3290000mN (approximately 29°47'N) and west of UTM 600000mE (approximately 46°04'E).", "bbox": { "south_latitude": 29.09, "west_longitude": 43.99, "north_latitude": 29.75, "east_longitude": 46.04 }, "id": { "authority": "EPSG", "code": 5096 }, "remarks": "There is some doubt as to whether source CRS is Nahrwan 1967 or Nahrwan 1934. May be emulated using geocentric translations from Nahrwan 1967 to Karbala 1979 of dX=-313, dY=193 and dZ=153m." }
Definition: Mapnik
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