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Mapping science

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

Contributors in Mapping science

Mapping science

Airy-Heiskamen gravity correction

Earth science; Mapping science

An isostatic gravity correction äg AH giving the amount by which calculated gravity must be increased because the base of the crust extends below its average depth into the denser mantle in some ...

arpent

Earth science; Mapping science

(1) An old French unit of area. The size of the arpent depends on its origin and on local custom. The value 0. 8507 acres has been used for surveys in Arkansas and Missouri. For surveys in ...

assurance

Earth science; Mapping science

In law, the act of conveying, or the instrument or other legal evidence of the conveyance of, real property. It is usually called common assurance.

mean anomaly

Earth science; Mapping science

(1) The angle from the line of apsides of an elliptical orbit to the radius vector from the attracting focus to a point moving on the ellipse with angular velocity equal to the average velocity of ...

aperture aberration

Earth science; Mapping science

An optical aberration occurring because rays from points at different distances from the optical axis do not come to the same focus.

adjusted angle

Earth science; Mapping science

An adjusted value of an angle. An adjusted angle may be derived either from an observed angle or from a concluded angle.

base plat

Earth science; Mapping science

A plat showing only those details essential for identifying the legal subdivisions shown on it. A base plat may also show such cultural and topographic features as are thought desirable. However, ...

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