6 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
Channel
Earth science; Mapping science
A natural or artificial waterway which either periodically or continuously contains moving water or which forms a connecting link between two bodies of water.
Center- wire method of levelling
Earth science; Mapping science
Levelling in which only the reading at the line of sight through the central line of the three horizontal lines on the reticle is taken. For precise work, readings are taken along the line of sight ...
Brewster's law
Earth science; Mapping science
When unpolarized light incident on the flat surface of a transparent substance is most polarised in a plane upon reflection, the tangent of the angle of incidence is equal to the index of refraction ...
Magnetic chart
Earth science; Mapping science
(1) A special purpose map showing the distribution of one of the magnetic elements such as local deviation of magnetic north from geodetic north. (2) A special purpose map showing the distribution ...
Diurnal circle
Earth science; Mapping science
The apparent daily path of a celestial body, approximating a parallel of declination.
Collimate
Earth science; Mapping science
To bring the optical elements of an optical system into proper relationship with each other.
Clarke's formulae
Earth science; Mapping science
A set of three formulae for the longitude λ, latitude φ and back azimuth A of the normal section (to P o ) at a point P on a rotational ellipsoid, given the longitude λ o and latitude φ o of an ...
