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Glossary Geophysics / Term

Free-air Gravity Field

The gravity field after the free-air correction. This correction is applied to observed or "raw " gravity readings to correct for the change in gravity due to the difference in elevation of the gravity station relative to datum elevation (usually sea level). The change in gravity with elevation is inversely related to the change in distance between the meter's center of mass (meter elevation) and the earth's center of mass.

Permanent link Free-air Gravity Field - Creation date 2020-03-03


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