ISO TC 211 Geographic information/Geomatics Committee site

ISO/TC 211 Geolexica

Concept vertical datum”

Term ID

2332

source

ISO 19111:2019, (E), 3.1.72

eng

vertical datum

vertical reference frame

reference frame describing the relation of gravity-related heights or depths to the Earth

Note 1 to entry: In most cases, the vertical reference frame will be related to mean sea level. Vertical datums include sounding datums (used for hydrographic purposes), in which case the heights may be negative heights or depths.

Note 2 to entry: Ellipsoidal heights are related to a three-dimensional ellipsoidal coordinate system referenced to a geodetic reference frame.

ORIGIN: ISO/TC 211 Glossary of Terms - English (last updated: 2020-06-02)

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info

  • status: valid
  • classification: admitted
  • date accepted: 2019-01-31

Review

last review performed:
(2019-01-31)
status:
final
decision:
accepted
decision event:
Publication of document ISO 19111:2019(E)
notes:
This entry supersedes the entry for vertical datum in ISO 19111:2007(E)