bn:00069976n
Noun Concept
Categories: Oceanographical terminology, All articles needing additional references, Vertical datums, Topography, Geodesy
EN
sea level  above mean sea level  AMSL  eustacy  Eustasis
EN
Level of the ocean's surface (especially that halfway between mean high and low tide); used as a standard in reckoning land elevation or sea depth WordNet 3.0
Definitions
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EN
Level of the ocean's surface (especially that halfway between mean high and low tide); used as a standard in reckoning land elevation or sea depth WordNet 3.0 & Open English WordNet
Mean sea level is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. Wikipedia
Altitude where the ocean meets the atmosphere. It is often short for mean sea level, the average height of the ocean. Wikipedia Disambiguation
Average level for the surface of one or more of Earth's oceans Wikidata
The level of the surface of the ocean; especially, the mean level halfway between high and low tide, used as a standard in reckoning land elevation or sea depths. OmegaWiki
[Used to indicate the elevation on the ground or altitude in the air of an object, relative to the average sea level datum.] OmegaWiki
The nominal height of the surface of the oceans above which heights of geographical features and aircraft flight levels are measured. Wiktionary
Nominal height of the surface of the oceans above which heights of geographical features and aircraft flight levels are measured. Wiktionary (translation)