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

Mensual aberration

Earth science; Mapping science

A component of stellar aberration caused by the revolution of the Earth and Moon about their common centre of mass. It is approximately equal to 0". 011 cos H M , where H M is the hour angle of ...

The initial direction of a great circle through two terrestrial points, expressed as angular distance from a reference direction. It is usually measured clockwise from the reference direction taken ...

Aqua

Earth science; Mapping science

(1) Water. (2) In the civil and old English law, sometimes, a stream or water-course. (3) In Roman antiquity, a site of a mineral spring, usually in the plural, as Aquae Sextiae. (4) An ...

Anomaly

Earth science; Mapping science

In general, any quantity whose values differ from those which are expected or which are predicted by simple theory. The following particular usages are common.

Dead reckoning abstract

Earth science; Mapping science

A list of all courses and distances made good, together with all data to be used in plotting and adjusting the line obtained by dead reckoning.

Bathythermograph

Earth science; Mapping science

An instrument for obtaining and recording temperature as a function of depth (strictly speaking pressure) in the ocean, from a ship under way.

Bay

Earth science; Mapping science

(1) In general, an unmistakable and pronounced indentation of a coast. According to the Geneva Convention of 1958, a bay is: a well marked indentation whose penetration is in such proportion to ...