12 Terms
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Mapping science
The systemic study of the processes and designs involved with map making.
Industry: Earth science
Add a new termContributors in Mapping 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 elevations of ...
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 maps. It may be ...
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 the 16th century and ...
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, that the sum of the ...
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 independently with the depth ...
