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

Easel

Earth science; Mapping science

The flat surface, in a rectifier or printer, onto which the image is projected.

Doppler positioning system

Earth science; Mapping science

A positioning system consisting of a radio receiver at the points whose coordinates are to be determined, one or more beacons in orbit about the Earth, a number of radio receivers at points whose ...

Annular eclipse

Earth science; Mapping science

(1) A solar eclipse in which the Sun's disc is never completely covered but is seen as an annulus or ring at maximal eclipse. It occurs when the apparent disc of the Moon is smaller than that of ...

Color-separation drawing

Earth science; Mapping science

One of a set of drawings that contain similar or related features, such as drainage or culture, to be printed in different colors. There are as many drawings as there are colours to the shown on ...

Transverse doppler effect

Earth science; Mapping science

That part of the Doppler effect which occurs when the source of radiation is moving in a direction perpendicular to the direction of the radiation received by the observer.

Linear eccentricity

Earth science; Mapping science

The quantity √ (a²- b²), in which a and b are half the lengths of the major and minor diameters, respectively, of a rotational ellipsoid. It is equal to ae, in which e is the eccentricity.

Dot map

Earth science; Mapping science

A distribution map in which dots (usually of uniform size) are used, each dot representing a specific number or amount of the item whose distribution is being shown.