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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 
cartesian coordinate system
Earth science; Mapping science
A coordinate system consisting of N straight lines (called the axes) intersecting at a common point (called the origin) and determining N-1 distinct, N-1 dimensional hyperplanes. ...
vertical comparator
Earth science; Mapping science
A device used for measuring short vertical lengths or distances, and consisting of a base, an upright, calibrated bar fixed to the base, and two horizontal microscopes that can be ...
Clarke Spheroid 1858
Earth science; Mapping science
One of three rotational ellipsoids calculated by Clarke in 1858, of which the following two are particularly important (the factor 0. 30480047 was used to convert from feet to ...
coherence
Earth science; Mapping science
The amount of correlation between the intensity and/or phase of electromagnetic fields at points separate in space and time.
conic chart with two standard parallels
Earth science; Mapping science
A chart on a conic map-projection having two standard parallels.
Bureau International De L'Heure (BIH)
Earth science; Mapping science
The organization which is responsible, by international agreement, for coordinating the measurements of time by national observatories and for providing an internationally ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)