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

A1 time

Earth science; Mapping science

An atomic-time scale established by the U. S. Naval Observatory, with the origin on 1 January 1958 at zero hours UT2 and with the unit (second) equal to the occurrence of 9,192,631,770 cycles of ...

abac

Earth science; Mapping science

A nomograph for determining the angle, at a common origin, between the bearing of a great circle and the bearing of a rhumb line to a point. It provides the difference (t minus T) between the two ...

The condition existing where the right of owners, or occupants of abutting land, or other persons, to access in connection with a highway is fully or partially controlled by public authority. There ...

accommodation

Earth science; Mapping science

(1) The ability of the eye to see sharp images of objects that are at different distances. (2) The ability of the eyes to superpose two separate images. (3) The limits within which the projectors ...

potential acceleration

Earth science; Mapping science

The scaler function, if it exists, which has a gradient equal to the total acceleration of the body.

true bearing

Earth science; Mapping science

The horizontal angle between the meridian line and a line on the Earth. The term true bearing is used in many of the early descriptions of land boundaries in the U. S. A. It is associated with ...

beat

Earth science; Mapping science

In some of the southern states of the U. S. A. , (such as Alabama, Mississippi and South Carolina), the principal legal subdivision of a county, and corresponding to towns or townships in other ...