values on the geoid

См. также в других словарях:

• geoid — geoidal, adj. /jee oyd/, n. 1. an imaginary surface that coincides with mean sea level in the ocean and its extension through the continents. 2. the geometric figure formed by this surface, an ellipsoid flattened at the poles. [1880 85; < Gk… …   Universalium

• Metres above the Sea (Switzerland) — The Pierres du Niton in Geneva harbour Metres above the Sea (German: Meter über Meer (m ü. M.)) is the elevation reference system used in Switzerland. Both the system and the term are also used in the Principality of Liechtenstein.[1] …   Wikipedia

• Figure of the Earth — An oblate spheroid Geodesy …   Wikipedia

• Vertical deflection — The vertical deflection (deflection of the plumb line, astro geodetic deflection) at a point on the earth is a measure of how far the direction of the local gravity field has been shifted by local anomalies such as nearby mountains. (Here gravity …   Wikipedia

• World Geodetic System — The World Geodetic System defines a reference frame for the earth, for use in geodesy and navigation. The latest revision is WGS 84 dating from 1984 (last revised in 2004), which will be valid up to about 2010.Earlier schemes included WGS 72, WGS …   Wikipedia

• Earth radius — The Earth s shape, like that of all major planets, approximates a sphere. A true sphere has a unique radius, but on Earth the distance from the mean sea level at each point on the surface to the center (the radius of the Earth at a point on the… …   Wikipedia

• Iceland plume — The Iceland Plume is an upwelling of anomalously hot rock in the Earth s mantle beneath Iceland whose origin probably lies at the boundary between the core and the mantle at ca. 2880 km depth. It is generally thought to be the cause of the… …   Wikipedia

• Helmert transformation — The Helmert transformation (named after Friedrich Robert Helmert, 1843 ndash;1917; also called a seven parameter transformation) is a transformation method within a three dimensional space. It is frequently used in geodesy to produce distortion… …   Wikipedia

• Earth ellipsoid — The Earth ellipsoid especially the mean Earth ellipsoid is the mathematical figure of the Earth which is used as a reference frame for computations in geodesy, astronomy and the geosciences.It is a ellipsoid of rotation, whose short (polar) axis… …   Wikipedia

• Orthometric height — The orthometric height is the distance H along a line of force from a given point P at the physical surface of an object to the geoid. Orthometric heights are what are usually used in the US for ordinary engineering work. Values for measured… …   Wikipedia

• Climate and Forecast Metadata Conventions — The Climate and Forecast (CF) metadata conventions are conventions for the description of Earth sciences data, intended to promote the processing and sharing of data files. The metadata defined by the CF conventions are generally included in the… …   Wikipedia