Metres above sea level

"Feet above sea level" redirects here.

Metres above mean sea level (MAMSL) or simply metres above sea level (MASL or m a.s.l.) is a standard metric measurement in metres of vertical distance (height, elevation or altitude) of a location in reference to a historic mean sea level taken as a vertical datum. Mean sea levels are affected by climate change and other factors and change over time. For this and other reasons, recorded measurements of elevation above sea level might differ from the actual elevation of a given location over sea level at a given moment.

Uses

Metres above sea level is the standard measurement of the elevation or altitude of:

How it is determined

The elevation or altitude in metres above sea level of a location, object, or point can be determined in a number of ways. The most common include:

Accurate measurement of historical mean sea levels is complex. Land mass subsidence (as occurs naturally in some islands) can give the appearance of rising sea levels. Conversely, markings on land masses that are uplifted due to geological processes can suggest a lowering of mean sea level.

Other measurement systems

Feet above sea level is the most common analogue for metres above sea level in the US customary measurement system, abbreviated FAMSL.

Abbreviations

Metres above sea level is commonly abbreviated mamsl or MAMSL, based on the abbreviation AMSL for above mean sea level. Other abbreviations are m.a.s.l.[1] and MASL.[2]

See also

References

  1. ^ Ricardo Bressani, Ricardo; Carlos Chon (1996). "Effects of altitude above sea level on the cooking time and nutritional value of common beans" (PDF). Plant Foods for Human Nutrition (Formerly Qualitas Plantarum). 49 (1): 53–61. doi:10.1007/BF01092522. Retrieved 2007-05-06.
  2. ^ "Meters above Sea Level - What does MSL stand for? Acronyms and abbreviations by The Free Online Dictionary". Retrieved 2007-05-06.
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The municipality covers a total area of 2016.85 km² and was founded in 1764.

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