What question did this study set out to answer?

Review the fundamental theory, modern instrumentation, data processing techniques, and geophysical interpretations of ground-based surface gravimetry.

March 18, 2013Reports on Progress in Physics

The measurement of surface gravity

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Authors

DCDavid CrossleyLinde (United States)JHJacques HindererCentre National de la Recherche Scientifique URUmberto RiccardiIstituto Nazionale di Geofisica e Vulcanologia

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Implication

Review demonstrates precise measurement of microgal-level gravity variations across planetary systems, indicating improved monitoring of earthquakes, hydrology, and post-glacial rebound.

Key Points

Review the fundamental theory, modern instrumentation, data processing techniques, and geophysical interpretations of ground-based surface gravimetry.
Evaluated specifications and operational performance across three primary gravimeter classes: absolute gravimeters, superconducting gravimeters, and modern spring-based instruments.
Synthesized observational methodologies across geophysical domains including tides, ocean loading, hydrology, seismology, volcanology, and tectonics.
Prominent signals of hundreds of µGal are readily observable across all sensor types during large earthquakes, volcanic events, and seasonal hydrology.
The majority of geophysical signals range from 0.1 to 5.0 µGal across timescales of minutes to years, requiring combined instrument configurations to disentangle overlapping sources.
Advances in instrument drift reduction and field ruggedness enable routine identification of subtle coseismic deformations, post-glacial rebound, and non-steric sea level changes.

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Crossley et al. (2013) studied this question.

synapsesocial.com/papers/6a01e73dbd6301933f5cce49 https://doi.org/10.1088/0034-4885/76/4/046101

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Implication

Review demonstrates precise measurement of microgal-level gravity variations across planetary systems, indicating improved monitoring of earthquakes, hydrology, and post-glacial rebound.

The measurement of surface gravity

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Implication

Key Points

Cite This Study

The measurement of surface gravity

Discussion

Member takes

Implication

Key Points

Cite This Study

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