Mapping science

Mapping science

The systemic study of the processes and designs involved with map making.

Industry: Earth science

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Mapping science

Azimuth error

Earth science; Mapping science

(1) The angle, in a horizontal plane, from a vertical plane through the horizontal axis of a meridian telescope to the prime vertical through the centre of that axis. Alternatively, the angle by ...

Sequential aerotriangulation adjustment

Earth science; Mapping science

Aerotriangulation adjustment carried out by first adjusting the coordinates of points imaged in a strip of photographs so that the relative orientations are correct, then transferring the coordinate ...

Absorption band

Earth science; Mapping science

A range of wavelengths or frequencies in the electromagnetic spectrum within which radiant energy is absorbed by a substance.

Geodetic azimuth

Earth science; Mapping science

The angle, at a point A on a surface, between the tangent to the meridian at A and the tangent to the geodesic from A to the point B whose geodetic azimuth is wanted. The angle is measured from the ...

Alinement error

Earth science; Mapping science

The angle between the actual line of sight of a telescope and the direction in which the horizontal or vertical circles or on an auxiliary telescope indicate that the line of sight should lie.

Assessment

Earth science; Mapping science

(1) A levy of tax against property. (2) The amount of tax levied against property.

Acre

Earth science; Mapping science

A unit of area in the English system of measure, defined as 10 square chains (1 chain is 4 rods or 66 feet). It is exactly equal to 43,560 square feet or 4,840 square yards and is approximately ...