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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 
cartographic annotation
Earth science; Mapping science
The placing of additional data, drawing of new features, or deletion of destroyed or unimportant features on a photographic mosaic to show only current details. It may include ...
base map
Earth science; Mapping science
(1) A map on which information can be placed for comparison or for geographical correlation. The term base map was at one time applied to a class of maps now known as outline ...
backstaff
Earth science; Mapping science
An instrument for measuring the Sun's angular elevation by determining the location, on a graduated staff, of the shadow of a horizontal vane. It was invented by John Davis in ...
adjustment of figure
Earth science; Mapping science
The adjustment of the angles and lengths of sides, in a single chain of triangles, so that the sums of the angles in each triangle equals 180° and, in the case of a quadrilateral, ...
altimeter setting
Earth science; Mapping science
That value of atmospheric pressure to which the scale of a barometric altimeter is set.
bar check
Earth science; Mapping science
Checking the accuracy of or calibrating a depth sounder by suspending a bar or disk at various measured distances beneath the sound generator and measuring the depths ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)