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

Quarter section corner

Earth science; Mapping science

A corner at the extremity of a boundary of a quarter section, midway between or 40 chains from the controlling section corners, depending on location within the township.

Coulee

Earth science; Mapping science

(1) A small stream, often intermittent, or the bed of such a stream when dry. (2) The valley, gulch or wash of an intermittent stream, often of considerable extent. (3) A small valley or a ...

Digital depth

Earth science; Mapping science

A depth (distance) obtained in digital form as the direct output from an echo sounder.

Constant of aberration

Earth science; Mapping science

The largest amount (annual aberration), in theory, by which a star's apparent direction varies during the year solely because of the Earth's revolution about the Sun. It is commonly denoted by κ ...

Cut-off cylinder

Earth science; Mapping science

A device consisting essentially of a short, rigid bar so made and so mounted that it forms a direct connexion between the apparatus being tested and a permanent monument on the ground. Its length ...

(1) The average value of the quantity x(r+nh) and y(nh), where x and y are randomly varying functions of the quantity nh and n being an integer which varies from N to +N and r and h are constants. ...

Current station

Earth science; Mapping science

(1) The geographic locations at which measurements of current are made. (2) The facilities used to make measurements of current at a particular site. These may include a buoy, ground tackle, ...