- Industry: Earth science
- Number of terms: 93452
- Number of blossaries: 0
- Company Profile:
Founded in 1941, the American Congress on Surveying and Mapping (ACSM) is an international association representing the interests of professionals in surveying, mapping and communicating spatial data relating to the Earth's surface. Today, ACSM's members include more than 7,000 surveyors, ...
One of a set of tables calculated by W. Bowie (1917) giving combined topographic and isostatic gravity corrections, according to the Pratt Hayford theory of isostatic compensation, for depths of 56. 9, 85. 3, 127. 9, 156. 2, and 184. 6 km.
Industry:Earth science
Overhanging or projecting beyond a support. Used in photogrammetry to denote a method or process of computing data into a region not containing control from a region in which control is available e.g., cantilever aerotriangulation and cantilever extension.
Industry:Earth science
Naming the points and quarter-points of the compass in order clockwise around the circle, beginning with north.
Industry:Earth science
(1) A great circle on the celestial sphere, through the poles of the ecliptic and perpendicular to the plane of the ecliptic. (2) A meridian along which latitude is measured.
Industry:Earth science
A clause, in a real-estate document, that specifies the extent of the interest (as life or fee) to be conveyed.
Industry:Earth science
(1) An outstanding claim or encumbrance which, if valid, will affect or impair the owner's title. (2) A judgment; a dower interest.
Industry:Earth science
A Cardan coupling connecting a suspended object and a supporting framework. Cardan suspensions are used to keep instruments level regardless of the motion of the supports, e.g., on board ships or other craft, or in gyroscopic theodolites.
Industry:Earth science
The z-component of the representation, in a photogrammetric model, of the air base the line joining two camera stations.
Industry:Earth science
The BIPM was established in 1875 in accordance with the Convention du Metre. In 1988, it took over, from the Bureau International de l'Heure, the responsibility for establishing and maintaining an international standard for the unit of time.
Industry:Earth science
(1) A clock whose indicated time is determined by the rotation or revolution of the Earth. (2) The rotation or revolution of the Earth, considered as a timekeeping mechanism.
Industry:Earth science
