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Gravity Tides Extracted from Relative Gravimeter Data by Combining Empirical Mode Decomposition and Independent Component Analysis
The static observation data from a relative gravimeter contain noise and signals such as gravity tides. This paper focuses on the extraction of the...
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Forty-three years of absolute gravity observations of the Fennoscandian postglacial rebound in Finland
Postglacial rebound in Fennoscandia causes striking trends in gravity measurements of the area. We present time series of absolute gravity data...
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Delineating a volcanic aquifer using groundwater-induced gravity changes in the Tatun Volcano Group, Taiwan
The Tatun Volcanic Group (TVG) is an active volcanic system that poses potential volcanic hazards to northern Taiwan. Groundwater migration can be...
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Towards the Realization of the International Height Reference Frame (IHRF) in Argentina
This paper describes a practical implementation of the International Height Reference System (IHRS) in Argentina. The contribution deals with the...
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Status of the International Gravity Reference System and Frame
The increasing importance of terrestrial gravimetry in monitoring global change processes, in providing a reference for satellite measurements and in...
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Non-Tidal Ocean Loading Correction for the Argentinean-German Geodetic Observatory Using an Empirical Model of Storm Surge for the Río de la Plata
The Argentinean-German Geodetic Observatory is located 13 km from the Río de la Plata, in an area that is frequently affected by storm surges that...
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Analyses of a 426-Day Record of Seafloor Gravity and Pressure Time Series in the North Sea
Continuous gravity observations of ocean and solid tides are usually done with land-based gravimeters. In this study, we analyze a 426-day record of...
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Variability of the water stock dynamics in karst: insights from surface-to-tunnel geophysics
A hydrogeophysical field experiment was conducted on a karst hydrosystem in the south of France to investigate groundwater transfer and storage...
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More Thoughts on AG–SG Comparisons and SG Scale Factor Determinations
We revisit a number of details that arise when doing joint AG–SG (absolute gravimeter–superconducting gravimeter) calibrations, focusing on the scale...
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The Improved Hydrological Gravity Model for Moxa Observatory, Germany
The gravity variations observed by the superconducting gravimeter (SG) CD-034 at Moxa Geodynamic Observatory/Germany were compared with the GRACE...
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Anomalous ULF Geomagnetic Anomalies Associated with the June 14, 2020 Earthquake (M = 5.3) in Kachchh, Gujarat Region (India)
AbstractGujarat region (India) was struck by an earthquake of magnitude 5.3 on June 14, 2020 at 14:43 UTC near Bhachau city in Kachchh district in...
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In a search for seismomagnetic signals of NW Himalayan moderate earthquakes
Isolation of seismomagnetic effect arising from the stress-induced modulations of magnetisation becomes difficult due to natural variations of...
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New results on the gravity monitoring (2014–2017) of Soultz-sous-Forêts and Rittershoffen geothermal sites (France)
This article presents the study of the mass redistribution associated with the geothermal energy exploitation of the Soultz-sous-Forêts and...
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Relationship of the Long-Period Free Oscillations of the Earth with Atmospheric Processes
Based on the five-year record of the superconducting gravimeter in Strasburg (48.6° N, 7.7° E), the correlation is calculated between the long-period...
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Multi-regional observations and validation of the M3 ocean tide
Improved determinations of the oft-ignored third-degree ocean tides can yield better accuracy for tidal predictions, numerical model solutions, and...
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Parallel Observations with Three Superconducting Gravity Sensors During 2014–2015 at Metsähovi Geodetic Research Station, Finland
The new dual-sphere superconducting gravimeter (SG) OSG-073 was installed at Metsähovi Geodetic Fundamental Station in Southern Finland in February...
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Detection and Evaluation of the Slichter Mode Based on Long-Term Strain Observations
AbstractTo search for the Slichter mode ( 1 S 1 ), the longest mode of Earth’s free oscillations, long-term (more than 15 years) strain data of the...
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