13 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
Conversion factor
Earth science; Mapping science
The number by which the numerical value or a quantity in one system of units must be multiplied to arrive at the numerical value in another system of units. e.g., The conversion factor for ...
Submerged contour
Earth science; Mapping science
A line joining points of equal elevation on the bed of a lake or reservoir where the elevation is related to a datum used for mapping adjacent land. This is not the same as a bathymetric contour.
Mean sea level datum
Earth science; Mapping science
A determination of mean sea level that has been adopted as a datum for elevations.
Stereoscopic coverage
Earth science; Mapping science
A set of aerial photographs of a region, providing stereoscopic views of the entire region.
Depth of no motion
Earth science; Mapping science
The depth, in the oceans, at which there is no horizontal motion of the water. The depth of the layer of no motion.
Contour point
Earth science; Mapping science
A point, on the ground, which lies on a specified contour.
Crossover
Earth science; Mapping science
Two turnouts with the track between the frogs arranged to form a continuous passage between two nearby, generally parallel, tracks.
