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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
standing axis
Earth science; Mapping science
The axis, in a surveying instrument such as theodolite or leveling instrument, that is intended to be placed in a vertical position when the instrument is in use. This axis is ...
annex point
Earth science; Mapping science
A point selected, in the overlap between a vertical photograph and its corresponding oblique photograph, about half way between the pass points.
base sheet
Earth science; Mapping science
A sheet of dimensionally stable material, upon which the graticule and ground control are plotted and upon which aero-triangulation or compilation is done.
historic bay
Earth science; Mapping science
(1) Any coast and contiguous body of water which, for historical reasons, has become known as a bay. (2) In international law, a bay over which there has been an exclusive ...
eccentric anomaly
Earth science; Mapping science
The angle from the line of apsides of an elliptical orbit to a radius vector drawn from the center of the ellipse to that point on the circumscribed circle which lies on the same ...
arc datum
Earth science; Mapping science
A horizontal control datum in Africa, based on Cape datum and having presumably the same origin with the same coordinates and azimuth there. However, the vast longitudinal and ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)