34 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
oblique ascension
Earth science; Mapping science
The arc of the celestial equator, or the angle at the celestial pole, between the hour circle of the vernal equinox and the hour circle through the intersection of the celestial equator and the ...
base side
Earth science; Mapping science
A side, of a triangulation network, which is measured with a JÄderin baseline apparatus or with a geodimeter type of instrument.
semimajor axis
Earth science; Mapping science
The line from the center of an ellipse to the extremity of the longest diameter. i.e., one of the two longest lines from the center to the ellipse. The term is also used to mean the length of the ...
axis of tilt
Earth science; Mapping science
A line through the perspective center of a photograph and perpendicular to the principal plane of the photograph.
barometer elevation
Earth science; Mapping science
The vertical distance between mean sea level of the ivory point (zero point) of a station's mercury barometer. The term is denoted by the symbol Hz in international usage. The value of ...
barometric altitude
Earth science; Mapping science
An altitude or elevation determined using a barometer or barometric altimeter.
artillery criterion
Earth science; Mapping science
The criterion used by the artillery of some countries for accepting or rejecting data, requiring that measurements farther from the average than 4 standard deviations be rejected.
