Earth science

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

community property

Earth science; Mapping science

Assets accumulated through joint efforts of husband and wife living together. Community property is equally owned by the husband and wife. It does not have a legal existence ...

classification of trilateration

Earth science; Mapping science

The category into which a trilateration or trilateration network is placed is the same as the category of the horizontal control established by or contained in that trilateration ...

closing the horizon

Earth science; Mapping science

Measuring the last of a series of horizontal angles, at a station, such that the sum of the series is a multiple of 360 o . At any station, the sum of all horizontal angles ...

Bowie method of adjusting triangulation

Earth science; Mapping science

A variant of the arc method of adjusting a triangulation network, in which the length and azimuth of one side of a triangle at every junction between arcs (chains) are assumed ...

expanded Bouguer gravity anomaly

Earth science; Mapping science

(1) The quantity gBe obtained by subtracting from a gravity anomaly Δg the free air gravity correction δg f , the spherical Bouguer gravity correction δg Bs , and the ...

Black's method

Earth science; Mapping science

A method primarily of determining geodetic azimuths from astronomical observations, by measuring the angle θ' between a star and the marker of interest, the star and marker being ...