Geocentric translations (geog2D domain)
For many purposes NAD83(2011) can be considered to be coincident with WGS 84. This approximation ignores the ~2.2m offset of NAD83 from the geocentre, the low accuracy of the WGS 84 ensemble and the application of tectonic plate motion to WGS 84 data.
IOGP
2021-09-08
metre
NAD83 (National Spatial Reference System 2011)
EPSG
Wisconsin State Cartographer’s Office.
2015-10-31
Engineering survey.
Part of the Wisconsin Coordinate Reference System (WISCRS). Original definition was referenced to NAD83(HARN). Working units are feet - see CRS code 7610.
United States (USA) - Wisconsin - Iowa county.
Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.
-2874863.51 1005832.87
-12720723.61 -3059420.5
3030949.47 9487936.73
167.65 14.92
-63.88 74.71
Definition: OGC Well Known Text
PROJCS["NAD83(2011) / WISCRS Iowa (m)", GEOGCS["NAD83(2011)", DATUM["NAD83_National_Spatial_Reference_System_2011", SPHEROID["GRS 1980",6378137,298.257222101], TOWGS84[0,0,0,0,0,0,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","6318"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",42.5388888888889], PARAMETER["central_meridian",-90.1611111111111], PARAMETER["scale_factor",1.0000394961], PARAMETER["false_easting",113081.0261], PARAMETER["false_northing",0.0045], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","7551"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["NAD83(2011) / WISCRS Iowa (m)", BASEGEOGCRS["NAD83(2011)", DATUM["NAD83 (National Spatial Reference System 2011)", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",6318]], CONVERSION["WISCRS Iowa County (m)", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",42.5388888888889, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",-90.1611111111111, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1.0000394961, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",113081.0261, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",0.0045, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["easting (X)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["northing (Y)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Engineering survey."], AREA["United States (USA) - Wisconsin - Iowa county."], BBOX[42.81,-90.43,43.21,-89.83]], ID["EPSG",7551]]
Definition: ESRI Well Known Text
PROJCS["NAD_1983_2011_WISCRS_Iowa_Meters", GEOGCS["GCS_NAD_1983_2011", DATUM["D_NAD_1983_2011", SPHEROID["GRS_1980",6378137.0,298.257222101]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Transverse_Mercator"], PARAMETER["False_Easting",113081.0261], PARAMETER["False_Northing",0.0045], PARAMETER["Central_Meridian",-90.1611111111111], PARAMETER["Scale_Factor",1.0000394961], PARAMETER["Latitude_Of_Origin",42.5388888888889], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "NAD83(2011) / WISCRS Iowa (m)", "base_crs": { "name": "NAD83(2011)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System 2011)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "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": 6318 } }, "conversion": { "name": "WISCRS Iowa County (m)", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 42.5388888888889, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": -90.1611111111111, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 1.0000394961, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 113081.0261, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0.0045, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "X", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "Y", "direction": "north", "unit": "metre" } ] }, "scope": "Engineering survey.", "area": "United States (USA) - Wisconsin - Iowa county.", "bbox": { "south_latitude": 42.81, "west_longitude": -90.43, "north_latitude": 43.21, "east_longitude": -89.83 }, "id": { "authority": "EPSG", "code": 7551 } }
Definition: GeoServer
7551=PROJCS["NAD83(2011) / WISCRS Iowa (m)",GEOGCS["NAD83(2011)",DATUM["NAD83_National_Spatial_Reference_System_2011",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6318"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",42.5388888888889],PARAMETER["central_meridian",-90.1611111111111],PARAMETER["scale_factor",1.0000394961],PARAMETER["false_easting",113081.0261],PARAMETER["false_northing",0.0045],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","7551"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=42.5388888888889 +lon_0=-90.1611111111111 +k=1.0000394961 +x_0=113081.0261 +y_0=0.0045 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=42.5388888888889 +lon_0=-90.1611111111111 +k=1.0000394961 +x_0=113081.0261 +y_0=0.0045 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 7551, 'EPSG', 7551, '+proj=tmerc +lat_0=42.5388888888889 +lon_0=-90.1611111111111 +k=1.0000394961 +x_0=113081.0261 +y_0=0.0045 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["NAD83(2011) / WISCRS Iowa (m)",GEOGCS["NAD83(2011)",DATUM["NAD83_National_Spatial_Reference_System_2011",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6318"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",42.5388888888889],PARAMETER["central_meridian",-90.1611111111111],PARAMETER["scale_factor",1.0000394961],PARAMETER["false_easting",113081.0261],PARAMETER["false_northing",0.0045],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","7551"]]');