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GWR Instruments, Inc Published Papers - Research and Studies utilizing our Superconducting Gravimeter

Over three decades the Superconducting Gravimeter (SG) has been used by researchers to conduct studies in areas ranging from the earth's core to the sun and beyond. Below you will find a small sample of these papers and presentations.

Please contact GWR Instruments, Inc. if you would like to share your work.

 

Paper Title

Authors

Link

 Evaluation of GRACE data by the terrestrial gravity observations. Geophys J Int (submitted)

Abe M, Kroner C, Förste C, Petrovic S, Barthelmes F, Güntner A, Ihde J, Weise A, Jahr T, Jentzsch G, Wilmes H, Wziontek H, Creutzfeldt B (2011)

 A calibration system for superconducting gravimeters. Bulletin Geodesique 69: 73–80.

Achilli V, Baldi P, Casula G, et al. (1995)

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 A three year comparison between a superconducting gravimeter(GWR C026) and an absolute gravimeter (FG5#206) in Strasbourg (France). Journal of Geodetic Society of Japan 47: 410–416.

Amalvict M, Hinderer J, Boy J-P, and Gegout P (2001)

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Long-term and seasonal gravity changes and their relation to crustal deformation and hydrology. Journal of Geodynamics 38: 343–353.

Amalvict M, Hinderer J, Makinen J, Rosat S, and Rogister Y (2004)

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 Gravitational constant G measured with a superconducting gravimeter, Physical Review D 71, 022002

Baldi P, Campari E G, Casula G, Focardi S, Levi G, and Palmonari F (2005)

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Validating Earth and ocean tide models using tidal gravity measurements. Geophysical Journal International 152: 468–485. Baker T and Bos M (2003) 

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Noise levels of superconducting gravimeters at seismic frequencies. Geophysical Journal International 139: 87–97.

Banka D and Crossley D (1999)

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 On the capability of recording gravity stations to detect signals coming from volcanic activity: the case of Mt. Vesuvius J. Volcanol. Geotherm. Res. 150 270–82

Berrino G, Corrado G and Riccardi U (2006)

Precipitation effects on gravity measurements at the Canadian absolute gravity site, Phys. Earth Planet Int., 106, 353-369.

Bower, D. R., and Courtier, N. (1998)

Reduction of surface gravity data from global atmospheric pressure loading. Geophysical Journal International, 149: 534–545. doi: 10.1046/j.1365-246X.2002.01667.x

Boy, J.-P., Gegout, P. and Hinderer, J. (2002)

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 A comparison of tidal ocean loading models using superconducting gravimeter data. Journal of Geophysical Research 108(B4): 2193 (doi:10.1029/2002JB002050).

Boy J-P, Llubes M, Hinderer J, and Florsch N (2003)

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Non-linear oceanic tides observed by superconducting gravimeters in Europe. J Geodyn 38: 391–405.

Boy J-P, Llubes M, Ray R, et al. (2004)

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 Validation of long-period oceanic tidal models with superconducting gravimeters. J Geodyn 41: 112–118.

Boy J-P, Llubes M, Ray R, Hinderer J, and Florsch N (2006)

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Study of the seasonal gravity signal in superconducting gravimeter data. J Geodyn 41(1–3): 227–233. doi:10.1016/j.jog.2005.08.035

Boy J-P,Hinderer J (2006)

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 Determination of gravimetric parameters of the gravity pole tide using observations recorded with superconducting gravimeters. J Geodyn 48(3–5): 348–353. doi:10.1016/j.jog.2009.09.020

Chen X-D, Kroner C, Sun H-P, Abe M, Zhou J, Yan H, Wziontek H (2009)

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Simulating the influence of water storage changes on the superconducting gravimeter of the Geodetic Observatory Wettzell. Germany Geophys 73(6): WA95–WA104. doi:10.1190/1.2992508

Creutzfeldt B, Güntner A, Klügel T,Wziontek H (2008)

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Reducing local hydrology from high precision gravity measurements: a lysimeter approach. Geophys J Int 183(1) : 178–187. doi:10.1111/j.1365-246X.2010.04742.x

Creutzfeldt B, Güntner A,Wziontek H, Merz B (2010a)

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 Measuring the effect of local water storage changes on in situ gravity observations: Case study of the Geodetic Observatory Wettzell, Germany, Water Resour. Res., 46, W08531, doi:10.1029/2009WR008359.

Creutzfeldt, B., A. Güntner, H. Thoss, B. Merz, and H. Wziontek (2010b)

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Network of superconducting gravimeters benefits a number of disciplines. EOS, Transactions, American Geophysical Union 80: 121–126.

Crossley D, Hinderer J, Casula G, et al. (1999)

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A spectral comparison of absolute and superconducting gravimeter data. Journal of Geodetic Society of Japan 47: 373–379.

Crossley D, Hinderer J, and Amalvict M (2001)

The potential of ground gravity measurements to validate GRACE data. Advances in Geosciences 1: 1–7.

Crossley D, Hinderer J, Llubes M, and Florsch N (2003)

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Regional gravity variations in Europe from superconducting gravimeters. Journal of Geodynamics 38: 325–342.

Crossley D, Hinderer J, and Boy J-P (2004)

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Time variation of the European gravity field from superconducting gravimeters. Geophysical Journal International 161: 257–264.

Crossley D, Hinderer J, and Boy J-P (2005)

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Determination of the long period tidal waves in the GGP superconducting gravity data. Journal of Geodynamics 38: 307–324.

Ducarme B, Venedikov A, Arnoso J, and Vieira R (2004)

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Determination of the free core nutation period from tidal gravity observations of the GGP superconducting gravimeter network, Journal of Geodesy, 81, 179-187

Ducarme B, Sun HP, Xu JQ (2007)

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Calibration of the C021 superconducting gravimeter in Membach (Belgium) using 47 days of absolute gravity measurements, in Gravity, Geoid and Marine Geodesy, Tokyo, Japan, IAG Symposium 117, Springer, pp. 212–219.

Francis O (1997)

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Calibration of the LaCoste-Romberg 906 by Comparison with the Superconducting Gravimeter C021 in Membach (Belgium), Journal of the Geodetic Society of Japan, vol. 47, no. 1, pp. 16-21

Francis, O.; Hendrickx, M., (2001)

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Ocean loading deformations caused by storm surges on the north-west European shelf, Geophys. Res. Lett., 33, L06317

Fratepietro, M, Baker, T. F.,Williams, S.D.P.,  and Van Camp, M. (2006)

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Gravity effects of sea level variation at the Superconducting Gravimeter sites, estimated from ERS-1 and Topex-Poseidon altimeter data. In: Segawa, et al. (eds.) IAG Symposia vol. 117, Gravity, Geoid, and Marine Geodesy, pp. 107–114. Berlin: Springer-Verlag.

Fukuda Y and Sato T (1997)

Spatio-temporal gravity changes at Miyakejima Volcano, Japan: caldera collapse, explosive eruptions, and magma movement. Journal of Geophysical Research 108(B4): 2219.

Furuya M, Okubo S, Sun W, Tanake Y, Oikawa J, and Watanabe H (2003)

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Supporting large-scale hydro-geological monitoring and modeling by time-variable gravity data. Hydrogeol J 15(1): 167–170. doi:10.1007/s10040-006-0089-1

GüntnerA, Schmidt R, Döll P (2007)

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Test of theoretical solid earth and ocean gravity tides. Geophysical Journal International 125: 106–114.

Goodkind JM (1996)

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 The superconducting gravimeter. Review of Scientific Instruments 70(11): 4131–4152.

Goodkind JM (1999)

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Weighting algorithm to stack superconducting gravimeter data for the potential detection of the Slichter modes Journal of Geodynamics, 41 326-333

Guo JY, Dierks O, Neumeyer J, Shum CK (2006)

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Are the free core nutation parameters variable in time? Physics of Earth and Planetary Interiors 117: 37–49.

Hinderer J, Boy JP, Gegout P, Defraigne P, Roosbeek F, and Dehant V (2000)

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Scientific achievements from the first phase (1997–2003)

Hinderer J and Crossley D (2004)

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Gravimetric Methods – Superconducting Gravity Meters, Treatise on Geophysics, vol 3, 65-122.

Hinderer J, Crossley D, Warburton R (2007)

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A network of superconducting gravimeters detects submicrogal coseismic gravity changes. Science 306: 476–478.

Imanishi Y, Sato T, Higashi T, Sun W, and Okubo S (2004)

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Time-lapse surface to depth gravity measurements on a karst system reveal the dominant role of the epikarst as a water storage entity. Geophys J Int 177(2): 347–360. doi:10.1111/j.1365- 246X.2009.04118.x

Jacob T, Chery J, Bayer R, Le Moigne N, Boy J-P, Vernant P, Boudin F (2009)

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Shallow-water tides in Japan from superconducting gravimetry, J. Geod. 78: 245-150

Khan SA, Hoyer J (2004)

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Hydrological experiments around the superconducting gravimeter at Moxa Observatory. Journal of Geodynamics 41: 268–275.

Kroner C and Jahr T (2006)

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 Results from 44 months of observations with a superconducting gravimeter at Moxa/Germany. Journal of Geodynamics 38 (3-5): 263–280.

Kroner C, Jahr T, and Jentzsch G (2004)

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 Analysis of observations with dual sensor superconducting gravimeters. Physics of the Earth and Planetary Interiors 153: 210–219.

Kroner C, Dierks O, Neumeyer J, and Wilmes H (2005)

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 Seasonal effects of non-tidal oceanic mass shifts in observations with superconducting gravimeters. J Geodyn 48(3–5): 354–359. doi:10.1016/j.jog.2009.09.009

Kroner C, Thomas M, Dobslaw H, Abe M, Weise A (2009)

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 Long-term monitoring by absolute gravimetry: Tides to postglacial rebound. Journal of Geodynamics 41: 307–317.

Lambert A, Courtier N, and James TS (2006)

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 Local and global hydrological contributions to gravity variations observed in Strasbourg (France). J Geodyn 48(3–5): 189–194. doi:10.1016/j.jog.2009.09.008

Longuevergne L, Boy J-P, Florsch N, Viville D, Ferhat G, Ulrich P, Luck B, Hinderer J (2009)

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 Determination of the gravimetric factor at the Chandler period from Earth’s orientation data and superconducting gravimetry observations. Geophysical Journal International 136: 1–7.

Loyer S, Hinderer J, and Boy JP (1999)

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 Gravitational effects of atmospheric processes in SG gravity data. In: Ducarme B and Barthelemy J (eds.) Proceedings of the Workshop: ‘High Precision Gravity Measurements with Application to Geodynamics and Second GGP Workshop’, vol. 17, pp. 57–65. Luxembourg: 1999, ECGS Cahiers.

Meurers B (2000)

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 Superconducting gravimetry in Geophysical research today. Journal of Geodetic Society of Japan 47(1): 300–307.

Meurers B (2001a)

 Tidal and non-tidal gravity variations in Vienna – A Five Years’ SG Record. J. Journal of Geodetic Society of Japan 47(1): 392–1397.

Meurers B (2001b)

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 Investigation of temporal gravity variations in SG-records. Journal of Geodynamics 38: 423–435.

Meurers B (2004)

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Investigation of local atmospheric and hydrological gravity signals in Superconducting Gravimeter time series. Geophysical Research Abstracts, Vol. 7, 07463

Meurers B; Van Camp M, Petermans T, Verbeeck K, Vanneste K (2005)

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Evaluating local hydrological modeling by temporal gravity observations and a gravimetric three-dimensional model. Geophysical Journal International, 182: 233–249. doi: 10.1111/j.1365-246X.2010.04615.x

Naujoks, M., Kroner, C., Weise, A., Jahr, T., Krause, P. and Eisner, S. (2010)

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 Incessant excitation of the Earth’s free oscillations. Earth Planets Space 50: 3–8.

Nawa K, Suda N, Fukao Y, Sato T, Aoyama Y, and Shibuya K (1998)

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 Incessant excitation of the Earth’s free oscillations: Global comparison of superconducting gravimeter records. Physics of the Earth and Planetary Interiors 120: 289–297.

Nawa K, Suda N, Fukao Y, et al. (2000)

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 Gravity reduction with three-dimensional atmospheric pressure data for precise ground gravity measurements. Journal of Geodynamics 38(3-5): 437–450.

Neumeyer J, Hagedoorn J, Leitloff, and Schmidt R (2004)

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 Improved determination of the atmospheric attraction with 3D air density data and its reduction on ground gravity measurements. In: Tregoning P, Rizos Ch (eds) IAG Symp, vol 130. Springer, Berlin, pp 541–548

Neumeyer J, Schmidt T, Stöber C (2006)

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 Improved determination of the atmospheric attraction with 3D air density data and its reduction on ground gravity measurements, Int. Association of Geodesy Symposia, Dynamic Planet, Cairns, Australia, Vol. 130, 541-548, Springer Berlin Heidelberg New York

Neumeyer J, Schmidt T, Stoeber C (2007)

 Analysis of gravity field variations derived from Superconducting Gravimeter recordings, the GRACE satellite and hydrological models at selected European sites, Earth Planets Space, 60, 505–518

Neumeyer J, Barthelmes F, Kroner C, Petrovic S, Schmidt R, Virtanen H, Wilmes H (2008)

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 Earth's Free Oscillations Excited by the 26 December 2004 Sumatra-Andaman Earthquake, Science 20 May 2005: 1139-1144.DOI:10.1126/science.1112305

Park J et al. (2005)

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 A cryogenic gravimeter, PhD Thesis, University of California at San Diego, La Jolla.

Prothero WA (1967)

 A superconducting gravimeter. Review of Scientific Instruments 39: 1257–1262.

Prothero WA and Goodkind JM (1968)

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 Tilt effects on GWR superconducting gravimeters J. Geodyn.48 316–24

Riccardi U, Hinderer J, Boy J-P and Rogister Y (2009)

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Comparison of the Micro-g LaCoste gPhone-054 spring gravimeter and the GWR-C026 superconducting gravimeter in Strasbourg (France) using a 300-day time series, Metrologia 48 28-39, doi:10.1088/0026-1394/48/1/003

Riccardi U, Rosat S and Hinderer J (2011)

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On the accuracy of the calibration of superconducting gravimeters using absolute and spring sensors: a critical comparison Pure Appl Geophys. at press

Riccardi U, Rosat S and Hinderer J (2011)

Precise instrumental phase lag determination by the step response method, Bull. Inf. Marees Terrestres, 111,8032-8052

Richter B, Wenzel HG, (1991)

The Frankfurt calibration system for relative gravimeters. Metrologia 32: 217–223.

Richter B, Wilmes H, and Nowak I (1995)

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A new generation of superconducting gravimeters. In: Proceedings of the 13th International Symposium on Earth Tides, Brussels 1997, pp. 545–555. Brussels: Observatoire Royal de Belgique.

Richter B and Warburton RJ (1998)

Long-term crustal deformation monitored by gravity and space techniques at Medicina, Italy and Wettzell, Germany. Journal of Geodynamics 38: 281–292.

Richter B, Zerbini S, Matonti F, and Simon D (2004)

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Influence of soil consolidation and thermal expansion effects on height and gravity variations. Journal of Geodynamics 521–539.

Romagnoli C, Zerbini S, Lago L, et al. (2003)

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The search for the Slichter Mode: Comparison of noise levels of superconducting gravimeters and investigation of a stacking method. Physics of the Earth and Planetary Interiors 140: 183–202.

Rosat S, Hinderer J, Crossley D, and Rivera L (2003)

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First observation of 2S1 and study of the splitting of the football mode 0S2 after the June 2001 Peru event of magnitude 8.4. Geophysical Research Letters 30: 21 2111 (doi:10.1029/2003GL018304).

Rosat S, Hinderer J, and Rivera L (2003)

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Performance of superconducting gravimeters from long-period seismology to tides. Journal of Geodynamics 38: 461–476.

Rosat S, Hinderer J, Crossley D, and Boy J-P (2004)

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High-resolution analysis of the gravest seismic normal modes after the 2004 Mw = 9 Sumatra earthquake using superconducting gravimeter data, Geophys. Res. Lett., 32, L13304, doi:10.1029/2005GL023128

Rosat, S., T. Sato, Y. Imanishi, J. Hinderer, Y. Tamura, H. McQueen, and M. Ohashi (2005)

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 A search for the Slichter triplet with superconducting gravimeters: Impact on the density jump at the inner core boundary. Journal of Geodynamics 41: 296–306.

Rosat S, Rogister Y, Crossley D, and Hinderer J (2006)

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Analysis of a 10-year (1997–2007) record of time-varying gravity in Strasbourg using absolute and superconducting gravimeters: new results on the calibration and comparison with GPS height changes and hydrology J. Geodyn. 48 360–5

Rosat S, Boy J-P, Ferhat G, Hinderer J, Amalvict M, Gegout P and Luck B (2009)

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Noise Levels of Superconducting Gravimeters: Updated Comparison and Time Stability, Bulletin of the Seismological Society of America; June 2011; v. 101; no. 3; p. 1233-1241; DOI: 10.1785/0120100217

Rosat,S and Hinderer, J (2011)

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On the observed annual gravity variation and the effect of sea surface height variations. Physics of the Earth and Planetary Interiors 123: 45–63.

Sato T, Fukuda Y, Aoyama Y, et al. (2001)

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Parameters of the fluid core resonance inferred from superconducting gravimeter data, J. Geodynamics, 38, 375-389 

Sato T, Tamura Y, Matsumoto K, Imanishi Y, Mac Queen H (2004)

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Gravity tide and seasonal gravity variation at Ny-Alesund, Svalbard in Arctic. Journal of Geodynamics 41: 234–241.

Sato T, Boy J-P, Tamura Y, et al. (2006a)

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A geophysical interpretation of the secular displacement and gravity rates observed at Ny-Alesund, Svalbard in the Arctic – Effects of the post-glacial rebound and present-day ice melting. Geophysical Journal International 165: 729–743, doi: 10.1111/1365-246X.2006.02992.x.

Sato T, Okuno J, Hinderer J, et al. (2006b)

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Beyond tides- Determination of core properties from superconducting gravimeter observations. Journal of the Geodetic Society of Japan 47(1): 364–372.

Smylie D, Francis O, and Merriam J (2001)

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Earth’s background free oscillations. Science 279: 2089–2091.

Suda N, Nawa K, and Fukao Y (1998)

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Tidal gravity observations obtained with a superconducting gravimeter at Wuhan/China and its application to geodynamics. Journal of Geodynamics 33: 187–198.

Sun H-P, Hsu H-T, Jentzsch G, and Xu J-Q (2002)

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Earth’s free core nutation determined using C032 superconducting gravimeter at station Wuhan/China. Journal of Geodynamics 38: 451–460.

Sun H-P, Jentzsch G, Xu J-Q, Hsu H-Z, Chen X-D, and Zhou J-C (2004)

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Study of Earth’s gravity tide and ocean loading characteristics in Hongkong area, Chinese J. Geophys. Vol. 49, No. 3 657-670

Sun HP, Hsu H, Chen W, Chen XD, Zhou JC, Liu M, Gao S (2006)

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BAYTAP-G Users Manual, National Astronomical Observatory Mizusawa Japan

Tamura Y (1990)

A procedure for tidal analysis with a Bayesian information criterion, Geophys: J. Int., 104, 507-516

Tamura Y, Sato T, Ooe M, Ishiguro M (1991)

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Measuring seismic normal modes with the GWR C021 superconducting gravimeter. Physics of the Earth and Planetary Interiors 116: 81–92.

Van Camp M (1999)

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Accurate transfer function determination for superconducting gravimeters. Geophysical Research Letters 27: 1, 37–40.

Van Camp M, Wenzel H-G, Schott P, Vauterin P, and Francis O (2000)

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Indication of the uplift of the Ardenne in long term gravity variations in Membach (Belgium), Geophys. J. Int. 158, 346-352

Francis, O., Van Camp, M., van Dam T., Warnant R., and Hendrickx M. (2004)

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Tsoft: graphical and interactive software for the analysis of time series and Earth tides. Computers in Geosciences 31(5): 631–640.

Van Camp M and Vauterin P (2005)

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Uncertainty of absolute gravity measurements, J. Geophys. Res., 110, B05406

Van Camp, M., Williams, S.D.P., and Francis, O.(2005)

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Is the instrumental drift of superconducting gravimeters a linear or exponential function of time?, J. Geod., 81 (5) , 337-344, DOI: 10.1007/s00190-006-0110-4

Van Camp, M. and Francis, O., (2006)

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Hydrogeological investigations at the Membach station, Belgium and application to correct long periodic gravity variations, J. Geophys. Res. 111, B10403, doi:10.1029/2006JB004405.

Van Camp, M., M. Vanclooster, O. Crommen, T. Petermans, K. Verbeeck, B. Meurersm T. van Dam and A. Dassargues (2006)

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Connecting a Quanterra Datalogger Q330 on the GWR C021 Superconducting Gravimeter, Seismological Research Letters 79 (6), 778-789.

Van Camp, M., Steim, J., Rapagnani, G., and Rivera, L., (2008)

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Characterizing long time scale hydrological effects on gravity for improved distinction of tectonic signals, J. Geophys. Res. 115, B07407, doi: 10.1029/2009JB006615, 2010.

Van Camp, M., Métivier, L., de Viron, O., Meurers, B., and Williams, S.D.P. (2010)

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Hydrological studies at the gravity station Metsahovi, Finland. Journal of Geodetic Society of Japan 47(1): 328–333.

Virtanen H (2001)

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The effect of the Baltic Sea level on gravity at the Metsahovi station. Journal of Geodynamics, 35, 4–5: 553–565.

Virtanen H and Ma¨ kinen J (2003)

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The effect of ocean tide loading on tides of the solid earth observed with the superconducting gravimeter. Geophysical Journal of the Royal Astronomical Society 43: 707–720.

Warburton RJ, Beaumont C, and Goodkind JM (1975)

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The influence of barometric-pressure variations on gravity. Geophysical Journal of the Royal Astronomical Society 48: 281–292.

Warburton RJ and Goodkind JM (1977)

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Detailed gravity-tide spectrum between one and four cycles per day. Geophysical Journal of the Royal Astronomical Society 52: 117–136.

Warburton RJ and Goodkind JM (1978)

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Recent developments in GWR Instruments’ superconducting gravimeters, Proc. 2nd Workshop: Non-tidal gravity changes Intercomparison between absolute and superconducting gravimeters, Cahiers du Centre Europe´ en de Geodynamique et deSeismologie, Luxembourg, 11, pp. 3–56.

Warburton RJ and Brinton EW (1995)

Remote operation of superconducting gravimeters, Proceeding of the Workshop: High-Precision Gravity Measurements with Application to Geodynamics and Second GGP Workshop, Cahiers du Centre Europe´ en de Geodynamique et de Seismologie, 17, Luxembourg, pp. 125–136.

Warburton RJ, Brinton EW, Reineman R, and Richter B (2000)

Gravity field variations from superconducting gravimeters for GRACE validation. J Geodyn 48(3–5): 325–330. doi:10.1016/j.jog.2009.09.034

Weise A, Kroner C, Abe M, Ihde J, Jentzsch G, Naujoks M,Wilmes H, Wziontek H (2009)

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Tackling mass redistribution phenomena by time-dependent GRACE- and terrestrial gravity observations. J Geodyn (submitted)

Weise A, Kroner C, Abe M. Creutzfeldt B, Förste Ch, Güntner A, Ihde J, Jahr T, Jentzsch G, Wilmes H, Wziontek H (2011)

The nanogal software: Earth tide processing package ETERNA 3.30. Bulletin d9Informations des Mare´ es Terrestres 124: 9425–9439.

Wenzel H-G (1996b)

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What can superconducting gravimeters contribute to normal mode seismology. Bulletin of the Seismological Society of America 93(3): 1370–1380.

Widmer-Schnidrig R (2003)

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A new data series observed with the remote superconducting gravimeter GWR R038 at the geodetic fundamental station TIGO in Concepcion (Chile). Journal of Geodynamics 41: 5–13.

Wilmes H, Boer A, Richter B, et al. (2006)

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Precise gravity time series and instrumental properties from combination of superconducting and absolute gravity measurements. In: Sideris M, DrewesH, Jekeli c,DehantV,Rizos C, RothacherM(eds) Proceedings of IAG General Assembly 2007, vol 133. Springer, Berlin, pp 301–306. doi:10.1007/978-3-540-85426-5-35

Wziontek H, Falk R, Wilmes H, Wolf P (2008)

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Time series of superconducting gravimeters and water storage variations from the global hydrology model WGHM. Journal of Geodynamics, 48, 3-5, 166-171.

Wziontek, H.; Wilmes, H.; Wolf, P.; Werth, S.; Güntner, A. (2009)

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A study of gravity variations caused by polar motion using superconducting gravimeter data from the GGP network. Journal of Geodesy 78: 201–209 (doi:10.1007/s00190-004-0386-1).

Xu J-Q, Sun H-P, and Yang X-F (2004b)

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Height and gravity various by continuous GPS, gravity and environmental parameter observations in the southern Po Plain, near Bologna, Italy. Earth and Planetary Science Letters 192: 267–279.

Zerbini S, Richter B, Negusini M, et al. (2001)

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Multi-parameter continuous observations to detect ground deformation and to study environmental variability impacts. Global and Planetary Changes 37–58.

Zerbini S, Negusini M, Romagnoli C, Domenichini F, Richter B, and Simon D (2002)

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Clear evidence for the sign-reversal of the pressure admittance to gravity near 3 mHz, Journal of Geodynamics,Volume 48, Issues 3-5, December 2009, pages 371-377

Zürn W, Meurers B (2009)

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