20 Terms
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Mapping science
The systemic study of the processes and designs involved with map making.
Industry: Earth science
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Mapping science
Orthogonal coordinate system
Earth science; Mapping science
A coordinate system defined by families of curves or surfaces intersecting at right angles. Although this kind of coordinate system is also referred to, sometimes, as a rectangular coordinate ...
Lunar day
Earth science; Mapping science
(1) The interval of time between two successive upper or lower transits of the Sun through a meridian of the Moon. (2) The interval of time from one upper transit of the Moon through a meridian of ...
Coral atoll
Earth science; Mapping science
An atoll the principal material of which is coral. Geodetic markers cannot be emplaced on coral atolls in the same way as they are emplaced in igneous or metamorphic rock because the coral is much ...
Darkroom
Earth science; Mapping science
A room or alcove devoted to the development of pictures from exposed photographic film and therefore kept dark (or, at least, free from radiation at those wavelengths to which the film is sensitive).
Isometric coordinate
Earth science; Mapping science
The quantity ln ((tan¼(π 2φ))((1 + e sinφ)/ (1 - e sinφ))e/2) in which φ is the geodetic latitude and e is the eccentricity of the rotational ellipsoid. This quantity is also called the isometric ...
Density zoning
Earth science; Mapping science
Zoning restricting the largest number of houses per unit area that may be built within a particular subdivision.
Contact printing
Earth science; Mapping science
The process of making contact prints by placing the original and a sensitised sheet in contact.
