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Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

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Earth science > Mapping science

vibrating-string gravimeter

Earth science; Mapping science

A gravimeter consisting of a wire which is kept vibrating in an electrostatic or magnetic field by passing a current of fixed, precise frequency through it. The rate of vibration ...

geopotential elevation

Earth science; Mapping science

(1) The integral ∫ H' o (g/g o )dH

spheroidal geodesic

Earth science; Mapping science

A geodesic on a spheroid (rotational ellipsoid)

stable gravimeter

Earth science; Mapping science

(1) A gravimeter of such construction it indicates the value of gravity (within the range for which it was designed) without having to be reset after every change of gravity. (2) ...

absolute gravimeter

Earth science; Mapping science

A gravimeter designed to measure the value of gravity at a station.

correlation function

Earth science; Mapping science

(1) The average value of the quantity x(r+nh) and y(nh), where x and y are randomly varying functions of the quantity nh and n being an integer which varies from N to +N and r ...

latitudinal curve

Earth science; Mapping science

An easterly and westerly property line adjusted to the same average bearing from each monument to the next one in regular order, as distinguished from the long chord or great ...