What is it about?
Examine terrestrial techniques for measuring changes in gravity over time and their application to the geosciences. The paper describes techniques for measuring changes in gravity over space and time.
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Why is it important?
Monitoring changes in gravity over time provides information on deformations of the solid Earth and changes in the distribution of mass. This can be related to their geophysical causes such as tectonic and volcanic activity, past and present ice-mass changes, tides and the dynamics of the oceans. Hence, such data have a range of applications. For example, gravimetry has proven useful on volcanoes, where combining gravity and deformation measurements has permitted discrimination between gas, water and magma intrusion, assessing voids opening or magma density changes associated with degassing
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This page is a summary of: Geophysics From Terrestrial Time-Variable Gravity Measurements, Reviews of Geophysics, November 2017, Wiley,
DOI: 10.1002/2017rg000566.
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