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height above mean sea level

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Also known as AMSL, elevation above sea level, above mean sea level

elevation of a location in reference to a historic mean sea level taken as a vertical datum

AI overview

Height above mean sea level is a measurement that tells you how far above the ocean's average water level a place is located. This measurement matters because it provides a standard, consistent way to describe how high something is, which is useful for everything from aviation and construction to understanding weather patterns and water flow.

AI-generated from the Wikipedia summary — may contain errors.

Wikidata facts

Subclass of
elevation
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Elevation.png
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Encyclopedic overview

Height above mean sea level is a measure of a location's vertical distance (height, elevation or altitude) in reference to a vertical datum based on a historic mean sea level. In geodesy, it is formalized as orthometric height. The zero level varies in different countries due to different reference points and historic measurement periods. Climate change and other forces can cause sea levels and elevations to vary over time.

Uses

Excerpted from Wikipedia’s “height above mean sea level” article, available under the CC BY-SA 4.0 licence.