Vertical datum
id:
vertical-datum-223-1197064
title:
Vertical datum
text:
In geodesy, surveying, hydrography and navigation, vertical datum or altimetric datum is a reference coordinate surface used for vertical positions, such as the elevations of Earth-bound features and altitudes of satellite orbits and in aviation.
In planetary science, vertical datums are also known as zero-elevation surface or zero-level reference. Commonly adopted criteria for a vertical datum include the following approaches:
- Tides, based on sea level when specific conditions occur, such
brand slug:
wiki
category slug:
encyclopedia
description:
Reference surface for vertical positions
original url:
https://en.wikipedia.org/wiki/Vertical_datum
date created:
2008-06-25T04:06:33Z
date modified:
2024-09-14T02:22:58Z
main entity:
{"identifier":"Q9364781","url":"https://www.wikidata.org/entity/Q9364781"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/5/51/Vertical_references_in_Europe.svg","width":575,"height":444}
fields total:
13
integrity:
16