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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

Behrmann's mMap projection

Earth science; Mapping science

A cylindrical equal area map projection, described by Behrmann in 1910, mapping the sphere onto a cylinder secant at 30 o latitude north and south. This map projections has ...

carnot cycle

Earth science; Mapping science

A cycle consisting of four reversible operations on a gas: (a) isothermal expansion from volume V a to V b ; adiabatic expansion from volume V b to V c ; isothermal compression ...

calculation

Earth science; Mapping science

The processes of addition, subtraction, multiplication and division. Arithmetic is a more general term; it includes calculation and the theory behind calculation.

primary color

Earth science; Mapping science

The color of one of the sets of colored lights used as references and by additive mixtures of which all other colors of the spectrum can be produced. The colors often chosen are ...

trimetrogon camera

Earth science; Mapping science

An assemblage of three cameras equipped with wide angle, Metrogon lens systems and placed with their optical axes in the same vertical plane; the axis of the central camera is ...

Chebychev adjustment

Earth science; Mapping science

The process of changing the values of a set of quantities so that the predicted values of a function of the set shall differ less, in absolute value, from the corresponding ...

chezy level

Earth science; Mapping science

A wye type leveling instrument having a level attached under the telescope. The invention of this instrument contributed in part to making the spirit-level type of leveling ...