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...

height above ground level (AGL or HAGL) is a height measured with respect to the underlying ground surface. This is as opposed to height above mean sea...

Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights...

direction (the plumb line direction) above or below a given vertical datum (a reference level surface, such as mean sea level). Vertical distance or vertical...

in contrast to mean sea-level pressure, which involves the extrapolation of pressure to sea level for locations above or below sea level. The average pressure...

location is its height above or below a fixed reference point, most commonly a reference geoid, a mathematical model of the Earth's sea level as an equipotential...

in height above sea level, although what "sea level" actually means is a more complex issue than might at first be thought: the height of the sea surface...

mountain peak), then altitude (height above sea level) is called elevation. In a two-dimensional Cartesian space, height is measured along the vertical...

that approximates mean sea level. Orthometric height is one of the scientific formalizations of a laypersons' "height above sea level", along with other...

reference plane for the normal height of a topographical eminence height above mean sea level used in the 1932 German Mean Height Reference System (Deutsches...

other words, the density altitude is the air density given as a height above mean sea level. The density altitude can also be considered to be the pressure...

Geopotential height or geopotential altitude is a vertical coordinate referenced to Earth's mean sea level (assumed zero geopotential) that represents...

decreasing exponentially with height. In Earth's atmosphere, the pressure at sea level P0 averages about 1.01×105 Pa, the mean molecular mass of dry air is...

extends over 917.1 km2, from sea level to an altitude of about 1000 height above mean sea level. It is separated from the sea by a narrow sandy coastal bar...

Overdrive transmission, a vehicle transmission Above Ordnance Datum, a level expressed as a height above mean sea level Adult Onset Diabetes, a metabolic disorder...

lowest astronomical tide (LAT) and mean lower low water (MLLW). In non-tidal areas, e.g. the Baltic Sea, mean sea level (MSL) is used. A chart datum is a...

takes up 160 acres (65 ha) of land with its guy anchors. Its height above mean sea level is 2,962 feet (903 m). Some time after its completion, the Federal...

regulations forbid any building from exceeding 200 meters (656 ft) in height above mean sea level in order to preserve sight lines out toward the Pacific Ranges...

world. The farm has 160 wind turbines of 150 metres (490 ft) tip height above mean sea level. Planning consent for the project was granted on 3 December 2008...

Voivodeship, Poland, within the Gmina Trzebiatów, Gryfice County. Its height above mean sea level is 30.1 m (98.75 ft). To the southeast, at a distance of around...

Jessiefjellet is a mountain in Prins Karls Forland, Svalbard. It has a height above mean sea level of 1,033 with a pointed summit. It is named after Jessie Bruce...

altimeter so that it indicates the height of an aircraft above a known reference surface. This reference can be the mean sea level pressure (QNH), the pressure...

sea level, and therefore is not necessarily the same as the aircraft's actual altitude, either above sea level or above ground level. Flight levels are...

Voivodeship, Poland, within the Gmina Wolin, Kamień County. Its height above mean sea level is 21 m (68.9 ft). At its northern foothill is located the village...

Warszewo Hills, and is located within the Arkonian Forest Park. Its height above mean sea level is 70.3 m (230.64 ft.). Between 1899 and 1904, on the hill was...

Voivodeship, Poland, within Gmina Międzyzdroje, Kamień County. Its height above mean sea level is 65 m (213.26 ft). To the southeast from the hill is located...

(referenced to the new International Great Lakes Datum of 1985 local mean sea level height value), although many cities and U.S. Army Corps of Engineers "legacy"...

of the Continental United States, Alaska and Hawaii. Above mean sea level (AMSL) Above ground level (AGL) Canadian Radio-television and Telecommunications...

lies at a height of 4,900 m (16,100 ft; 3.0 mi) to 5,100 m (16,700 ft; 3.2 mi) with the center at 5,000 m (16,000 ft; 3.1 mi) above sea level, on the side...

influence of mountains on pendulums and plumb lines Refraction Height above mean sea level 1818–1823 – William Lambton 1823–1843 – Sir George Everest 1843–1861...