19 Terms
Home > Industry/Domain > Earth science > 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
Geomagnetic coordinate
Earth science; Mapping science
A coordinate in a geomagnetic coordinate system.
Plus distance
Earth science; Mapping science
(1) The distance along a surveyed line from a survey station or the last whole numbered survey point to a supplementary point. For example, if a stake is set at 515. 56 feet from the initial point ...
Diaphragm
Earth science; Mapping science
(1) A thin, opaque piece of material with a hole through which light can pass and placed in an optical system to keep unwanted light from reaching the image plane or detector e.g., to limit the field ...
Geometrical dip
Earth science; Mapping science
The vertical angle, at the eye of an observer, between the horizontal plane there and a straight line tangent to the surface of the Earth. It is larger than the dip of the horizon by the amount of ...
Distribution map
Earth science; Mapping science
A map showing the geographic occurrence of a specific product, commodity, or formation. The map may show merely that the product, etc. , occurs in certain regions, or it may also show how much is ...
Direction method of adjusting a traverse
Earth science; Mapping science
The method of adjusting a survey traverse by using the directions (azimuths) of courses as the measured quantities.
Geocentric diameter
Earth science; Mapping science
The angular diameter, usually measured in seconds of arc, of a celestial body as the body would appear if viewed from the centre of the Earth.
