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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 
standard bar
Earth science; Mapping science
A bar (2) on which representative units of length are marked off and used to calibrate other measures of length or distance.
impersonal astrolabe
Earth science; Mapping science
An astrolabe so constructed that the personal error of the observer does not affect the measurements. The Danjon astrolabe is such an instrument.
asymptotic approximation
Earth science; Mapping science
A method of successive approximation in which successive values converge toward some final value but then, after a certain number of steps, begin to diverge.
Abbe's Criterion
Earth science; Mapping science
A criterion (introduced by Abbe in 1863) for testing the hypothesis that a systematic trend exists in a set of observations. The criterion is seldom used.
appurtenance
Earth science; Mapping science
That which belongs to another thing as principal and passing as incident to it. As, e.g., a right of way or other easement to land, a right of common to pasture, an outhouse, ...
angle point
Earth science; Mapping science
(1) A monument marking a point, on an irregular boundary line, reservation line, boundary of a private claim, or a re established, non riparian meander line, at which a change in ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)