About: North American Datum

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The North American Datum (NAD) is the horizontal datum now used to define the geodetic network in North America. A datum is a formal description of the shape of the Earth along with an "anchor" point for the coordinate system. In surveying, cartography, and land-use planning, two North American Datums are in use for making lateral or "horizontal" measurements: the North American Datum of 1927 (NAD 27) and the North American Datum of 1983 (NAD 83). Both are geodetic reference systems based on slightly different assumptions and measurements.

Attributes	Values
rdf:type	yago:WikicatCartographicProjections yago:Abstraction100002137 yago:Arrangement105726596 yago:Cognition100023271 yago:CoordinateSystem105728024 yago:Datum105816622 yago:HigherCognitiveProcess105770664 yago:Information105816287 yago:Prediction105775081 yago:Process105701363 yago:Projection105775293 yago:PsychologicalFeature100023100 yago:Reasoning105772356 yago:WikicatGeodesicDatums yago:WikicatGeographicCoordinateSystems yago:Structure105726345 yago:Thinking105770926
rdfs:label	North American Datum (de) North American Datum (en)
rdfs:comment	Das North American Datum (NAD) ist das gemeinsame Bezugssystem für die Landesvermessung der Staaten Nord- und Zentralamerikas. Geschichtlich bedingt unterscheidet man zwischen dem mittels klassischer Triangulationsverfahren begründeten North American Datum von 1927 (NAD 27) (mit einem auf der Erdoberfläche vermarkten Fundamentalpunkt) und dem moderneren mittels Satellitengeodäsie aufgebauten North American Datum von 1983 (NAD 83) (mit einem geozentrischen Ursprung). (de) The North American Datum (NAD) is the horizontal datum now used to define the geodetic network in North America. A datum is a formal description of the shape of the Earth along with an "anchor" point for the coordinate system. In surveying, cartography, and land-use planning, two North American Datums are in use for making lateral or "horizontal" measurements: the North American Datum of 1927 (NAD 27) and the North American Datum of 1983 (NAD 83). Both are geodetic reference systems based on slightly different assumptions and measurements. (en)
foaf:depiction
dcterms:subject	Surveying of Canada Surveying of the United States Geodetic datums
Wikipage page ID	5576472 (xsd:integer)
Wikipage revision ID	1116441147 (xsd:integer)
Link from a Wikipage to another Wikipage	Cartography San Andreas Fault U.S. National Geodetic Survey United States Geological Survey GRS 80 North American Vertical Datum of 1988 Meades Ranch Triangulation Station Mean High Water Geodesy Geodetic datum Geoid Osborne County, Kansas GPS Geocentric model NOAA Azimuth 98th meridian west Datum of 2022 Waldo, Kansas Land-use planning Alexander Ross Clarke 39th parallel north Surveying of Canada Surveying of the United States Earth ellipsoid North American Plate Quadrangle (geography) Remote sensing Mariana plate Geodetic datums Chicago Surveying Triangulation station Reference ellipsoid Spheroid Civilian Miami Seattle World Geodetic System Satellite Pacific plate Geographic center of the contiguous United States GNSS Global Navigation Satellite Systems Geodetic reference system
Link from a Wikipage to an external page	http://www.ngs.noaa.gov/TOOLS/Nadcon/Nadcon.html http://geodesy.noaa.gov/CORS/coords.shtml http://h-e.com/sites/h-e.com/files/tech_docs/de_sbe94.pdf http://geodesy.noaa.gov/web/surveys/NA2011/ http://www.ngs.noaa.gov/cgi-bin/nadcon.prl
sameAs	North American Datum North American Datum North American Datum North American Datum North American Datum North American Datum North American Datum
dbp:wikiPageUsesTemplate	dbt:Geodesy dbt:Convert dbt:Main dbt:More_citations_needed dbt:Reflist dbt:Short_description dbt:Specify dbt:Use_dmy_dates
thumbnail	wiki-commons:Special:FilePath/Meade_Ranch_triangulation_station_ca._1940.jpg?width=300
has abstract	Das North American Datum (NAD) ist das gemeinsame Bezugssystem für die Landesvermessung der Staaten Nord- und Zentralamerikas. Geschichtlich bedingt unterscheidet man zwischen dem mittels klassischer Triangulationsverfahren begründeten North American Datum von 1927 (NAD 27) (mit einem auf der Erdoberfläche vermarkten Fundamentalpunkt) und dem moderneren mittels Satellitengeodäsie aufgebauten North American Datum von 1983 (NAD 83) (mit einem geozentrischen Ursprung). (de) The North American Datum (NAD) is the horizontal datum now used to define the geodetic network in North America. A datum is a formal description of the shape of the Earth along with an "anchor" point for the coordinate system. In surveying, cartography, and land-use planning, two North American Datums are in use for making lateral or "horizontal" measurements: the North American Datum of 1927 (NAD 27) and the North American Datum of 1983 (NAD 83). Both are geodetic reference systems based on slightly different assumptions and measurements. Vertical measurements, based on distances above or below Mean High Water (MHW), are calculated using the North American Vertical Datum of 1988 (NAVD 88). NAD 83, along with NAVD 88, is set to be replaced with a new GPS- and gravimetric geoid model-based geometric reference frame and geopotential datum in 2022. (en)
gold:hypernym	Datum
prov:wasDerivedFrom	wikipedia-en:North_American_Datum?oldid=1116441147&ns=0

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