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

Historic bay

Earth science; Mapping science

(1) Any coast and contiguous body of water which, for historical reasons, has become known as a bay. (2) In international law, a bay over which there has been an exclusive assertion of sovereignty ...

Base sheet

Earth science; Mapping science

A sheet of dimensionally stable material, upon which the graticule and ground control are plotted and upon which aero-triangulation or compilation is done.

Barometric altimetry

Earth science; Mapping science

Determining differences of elevation with respect to a specified surface from differences of atmospheric pressure measured with a barometer or from differences of altitude determined using a ...

Analogue aerotriangulation

Earth science; Mapping science

(1) Aerotriangulation using a mechanical, optical, or optomechanical model of the relationship between image point and object point. Two principal methods are used: the radial method, which obtains ...

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 pressure terms omitted.

Barometer elevation

Earth science; Mapping science

The vertical distance between mean sea level of the ivory point (zero point) of a station's mercury barometer. The term is denoted by the symbol Hz in international usage. The value of ...