geodeticDatum

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Darwin Core

Term name

geodeticDatum

Definition

The ellipsoid, geodetic datum, or spatial reference system (SRS) upon which the geographic coordinates given in decimalLatitude and decimalLongitude as based. Recommended best practice is use the EPSG code as a controlled vocabulary to provide an SRS, if known. Otherwise use a controlled vocabulary for the name or code of the geodetic datum, if known. Otherwise use a controlled vocabulary for the name or code of the ellipsoid, if known. If none of these is known, use the value "unknown".

Apple Core

Recommendation

As Applicable

Guidelines

GUIDELINES

[KCP, same as DWC, should we put a link here to the discussion on DWC?: http://terms.tdwg.org/wiki/dwc:geodeticDatum]

Controlled vocabulary

CONTROLLED VOCABULARY OR LINK OR SENTENCE

Usage examples

Example # verbatimCoordinates verbatimLatitude verbatimLongitude decimalLatitude decimalLongitude geodeticDatum
1 46° 32' N 70° 08' W 46° 32' N 70° 08' W 46.5583333 -70.1916667 unknown
2 41° 09' S 71° 18' W 41° 09' 05" S 71° 18' 10" W -41.15138888888889 -71.30277777777778 unknows

Other resources

LINKS TO RESOURCES, PERHAPS WITH EXPLANATION