TL;DR
This paper reviews terrestrial gravity fluctuations, focusing on seismic scattering, noise cancellation, and models of gravity perturbations, highlighting their importance for future gravitational wave detection and high-precision gravimetry.
Contribution
It provides new analyses on seismic scattering effects, active noise cancellation techniques, and time-domain models of gravity perturbations from atmospheric and seismic sources.
Findings
Seismic scattering significantly impacts gravity perturbations.
Active gravity noise cancellation can improve measurement precision.
Time-domain models help understand gravity fluctuations from environmental sources.
Abstract
The article reviews the current state of the field, and also presents new analyses especially with respect to the impact of seismic scattering on gravity perturbations, active gravity noise cancellation, and time-domain models of gravity perturbations from atmospheric and seismic point sources. Our understanding of terrestrial gravity fluctuations will have great impact on the future development of GW detectors and high-precision gravimetry in general, and many open questions need to be answered still as emphasized in this article.
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