Bouguer anomaly Guide, Meaning , Facts, Information and Description
In geodesy and geophysics, the Bouguer anomaly is computed from a free-air anomaly by computationally removing from it the attraction of the terrain, the Bouguer reduction.
(USGS)]]In case the terrain attraction is removed precisely, we speak of a refined Bouguer reduction. In case the terrain is approximated by a flat plate of thickness , the height of the gravity measurement location above sea level, we speak of a simple Bouguer reduction. The difference between the two, the differential gravitational effect of the unevenness of the terrain, is called the terrain effect. It is always negative.
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See also
gravity anomaly, physical geodesy, vertical deflection
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