5 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
Equatorial coordinate
Earth science; Mapping science
One of two angles, right ascension (α) and declination (δ), in an equatorial coordinate system.
Cross cut
Earth science; Mapping science
A horizontal passage driven from a shaft to a vein across the course of the vein in order to reach the zone of the vein.
Culmination
Earth science; Mapping science
(1) The location of a heavenly body at the instant it crosses an observer's meridian above or below his horizon. (2) For a heavenly body which is continually above the horizon, the location of ...
Optical correlation
Earth science; Mapping science
(1) The calculation of correlation coefficients by an optical method. (2) The determination of the correlation between the image on a photograph taken some time previously, and the image on a new ...
Conrad discontinuity
Earth science; Mapping science
A region, at depths of 17 to 20 km under some parts of the continents, in which the speed of seismic P waves increases abruptly from about 6. 2 km/s to about 6. 6 km/s. Unlike the deeper, ...
Found corner
Earth science; Mapping science
(1) A corner (a) of which the original or restored monument or mark is recovered, or (b) the location of which was definitely established by one or more witness corners or reference monuments. (2) ...
Correction for datum
Earth science; Mapping science
A factor used, in the prediction of tides, to resolve the difference between chart datum of the reference station and chart datum of a secondary station.
