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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

assessment map

Earth science; Mapping science

A map used by taxing authorities, showing size and location of properties and improvements.

abutment

Earth science; Mapping science

The structure, usually of reinforced concrete, supporting an end of an arch or bridge and holding the abutting earth in place.

angle method of traverse adjustment

Earth science; Mapping science

The method of adjusting a survey traverse by using angles between successive courses as the measured quantities.

amplitude of vibration

Earth science; Mapping science

The length of the arc passed over by a pendulum in moving from its average position to the position of greatest displacement.

spherical angle

Earth science; Mapping science

(1) An angle (f) formed by the intersection of segments of two great circles on a sphere. The two segments in the vicinity of the point of intersection are called the sides of ...

acre foot

Earth science; Mapping science

The volume of water required to cover one acre to a depth of one foot. Equivalent to 43,560 cubic feet of water, it is a convenient unit for measuring the amount of water in a ...

thermosteric anomaly

Earth science; Mapping science

That steric anomaly which would be reached if the pressure of sea water were changed isothermally to a standard pressure of one atmosphere. i.e., the steric anomaly with ...