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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 
checking positive
Earth science; Mapping science
A composite printing, on glass, of the drawing of contour lines and drainage used on the shadow projector for checking the horizontal accuracy of landforms to be shown on relief ...
catenary
Earth science; Mapping science
The curve whose equation is y = k cosh(x/k), where k is a constant. A homogenous, perfectly flexible, inelastic cable, tape, or wire will, when suspended from two fixed ...
chromaticity coordinate
Earth science; Mapping science
The quantity P i / (Σ P i ), where P i (i = 1,2,3) is the amount of a primary color required to give, by additive mixture with the other two primary colors, a match to the ...
border
Earth science; Mapping science
(1) The outer part or edge of anything; margin, verge. (2) A boundary. (3) A frontier of a state or of the settled part of a country; a district on the frontier.
optical centering
Earth science; Mapping science
Bringing the center of an instrument vertically above a specified mark, using an optical device that allows the observer to view the point with the instrument or its mounting in ...
chlorinity
Earth science; Mapping science
(1) Originally, a number giving the amount of chlorine, Cl, in rams per kilogram, in a sample of sea water. (2) It was later defined to be the number Cl(o/oo) giving the mass, ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)