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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 
Bouguer cylinder
Earth science; Mapping science
A fictitious, vertical cylinder whose upper surface passes through a point P on the Earth's surface, whose axis passes through P and is perpendicular to the terrestrial ellipsoid, ...
proleptic calendar
Earth science; Mapping science
A calendar applied to dating events that occurred outside the period for which the calendar was originally defined. In particular, a calendar extended to date events that ...
chord
Earth science; Mapping science
(1) In general, a straight line joining two points on a curve or surface. (2) (land surveying) On a great circle, the arc connecting any two corners on a baseline, standard ...
principal vertical circle
Earth science; Mapping science
That vertical circle through the North and South points on the horizon, which coincides with the celestial meridian.
chronograph
Earth science; Mapping science
An instrument for producing a graphical record of the time, shown by a clock or other device, at which an event occurs. In use, a chronograph produces a double record. The ...
coastline
Earth science; Mapping science
(1) The line that forms the boundary between the coast and the shore and marks the seaward limit of the permanently exposed coast. (2) The U. S. National Ocean Survey uses the ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)