Gravimetry and normal modes

Séverine Rosat - Researcher at the CNRS

Publications

Publications with referee

2014
  • Hinderer, J., Hector, B., Boy, J.-P., Riccardi, U., Rosat, S., Calvo, M., and Littel, F, 2014. A search for atmospheric effects on gravity at different time and space scales, J. of Geodyn., doi:10.1016/j.jog.2014.02.001

  • Rosat, S., J.-P. Boy, Y. Rogister, 2014. Surface atmospheric pressure excitation of the translational mode of the inner core, Phys. Earth Planet. Int., 227, 55-60, doi:10.1016/j.pepi.2013.12.005

  • Calvo, M., Rosat, S., J. Hinderer, Legros, H., Boy, J.-P., Riccardi, U., 2014. Study of the time stability of tides using a long term (1973-2011) gravity record at Strasbourg, France, Earth on the Edge: Science for a Sustainable Planet, Int. Assoc. of Geod. Symposia, vol. 139, Melbourne (Australia), Springer Berlin Heidelberg New York, 377-381. OS

  • Hinderer, J., Rosat, S., Hector, B., Calvo, M., Boy, J.-P., U. Riccardi and L. Séguis, 2014. Preliminary results from the superconducting gravimeter SG-060 installed in West Africa (Djougou, Benin), Earth on the Edge: Science for a Sustainable Planet, Int. Assoc. of Geod. Symposia, vol. 139, Melbourne (Australia), Springer Berlin Heidelberg New York, 413-419. OS

  • 2013
  • Cui X., Sun H.P., Rosat, S., Xu J.-Q., Zhou J.-C., Chen X.-D, 2013. The application of Bayesian method in determination of free core nutation parameters. Chinese J. Geophys.-Chinese, 56(1): 53-59, doi:10.6038/cjg20130106

  • 2012
  • Rosat, S., T. Sato, Y. Imanishi, J. Hinderer, Y. Tamura, H. McQueen, and M. Ohashi, 2012. Correction to “High-resolution analysis of the gravest seismic normal modes after the 2004 Mw = 9 Sumatra earthquake using superconducting gravimeter data”, Geophys. Res. Lett., 39, L22601, doi:10.1029/2012GL054248.

  • Rosat, S. et Rogister, Y., 2012. Excitation of the Slichter mode by collision with a meteoroid or pressure variations at the surface and core boundaries, Phys. Earth Planet. Int., vol. 190-191, 25-33, doi:10.1016/j.pepi.2011.10.007

  • Riccardi, U., Rosat, S. et Hinderer, J., 2012. On the Accuracy of the Calibration of Superconducting Gravimeters Using Absolute and Spring Sensors: a Critical Comparison, Pure Appl. Geophys., 169, 1343-1356. DOI 10.1007/s00024-011-0398-8.

  • 2011
  • Rosat, S. et Y. Rogister. Excitation of the Slichter mode by collision with a meteoroid or pressure variations at the surface and core boundaries, Phys. Earth Planet. Int., doi:10.1016/j.pepi.2011.10.007.

  • Rosat, S. et J. Hinderer, 2011. Noise Levels of Superconducting Gravimeters: Updated Comparison and Time Stability, Bull. Seism. Soc. Am., vol. 101, no. 3, June 2011, DOI 10.1785/0120100217.

  • Riccardi, U., Rosat, S. et Hinderer, J., 2011. 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.

  • 2009
  • Rosat, S., Florsch, N., Hinderer, J. et Llubes, M. 2009. Estimation of the Free Core Nutation parameters from SG data: sensitivity study and comparative analysis using linearized Least-Squares and Bayesian methods, J. of Geodyn., 48, 331-339.

  • Rosat, S., Boy, J.-P., Ferhat, G., Hinderer, J., Amalvict, M., Gegout, P. & B. Luck, 2009. Analysis of a ten-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. of Geodyn., 48, 360-365.

  • Rosat, S. & Lambert, S.B., Free core nutation resonance parameters from VLBI and superconducting gravimeter data, Astron. Astrophys., 503, 287-291.

  • Ducarme, B., Rosat, S., Vandercoilden, L., Xu, J.Q., Sun, H.P., 2009. European tidal gravity observations: Comparison with Earth Tides models and estimation of the Free Core Nutation (FCN) parameters, Proceedings of the 2007 IAG General Assembly, Perugia, Italy, July 2 - 13, 2007, Observing our Changing Earth, M.G. Sideris (ed.), Springer Verlag, Int. Assoc. of Geod. Symposia, vol. 133, 523-532 (DOI 10.1007/978-3-540-85426-5).

  • 2008
  • Rosat, S., P. Rosenblatt, A. Trinh et V. Dehant, 2008. Mars and Mercury rotation variations from altimetry crossover data: Feasibility study, J. Geophys. Res., 113, E12014, doi:10.1029/2008JE003233.

  • Rosat, S., Fukushima, T., Sato, T. et Tamura, Y., 2008. Application of a Non-Linear Damped Harmonic Analysis method to the normal modes of the Earth, J. of Geodyn., 45 (1), 63-71.

  • 2007
  • Rosat, S., Optimal Seismic Source Mechanisms to Excite the Slichter Mode, 2007. Int. Assoc. of Geod. Symposia, Dynamic Planet, Cairns (Australia), vol. 130, 571-577, Springer Berlin Heidelberg New York.

  • Rosat, S., Sailhac, P. et Gegout, P., 2007. A Wavelet-Based Detection and Characterization of Damped Transient Waves Occurring in Geophysical Time Series: Theory and Application to The Search for the Translational Oscillations of the Inner Core, Geophys. J. Int., 171, 55-70.

  • Rosat, S., Watada, S. et Sato, T., 2007. Geographical variations of the 0S0 normal mode amplitude: predictions and observations after the Sumatra-Andaman earthquake, Earth Planets Space, 59, 307-311.

  • Tanaka, A., Rosat, S., Kisimoto, K. et Urabe, T., 2007. High-resolution bathymetry using Alvin scanning sonar at the Southern East Pacific Rise and its implication to the formation of collapsed lava lakes, Earth Planets Space, 59, 245-249.

  • 2006
  • Rosat, S., Rogister, Y., Crossley, D. and Hinderer, J., 2006. A search for the Slichter Triplet with Superconducting Gravimeters: Impact of the Density Jump at the Inner Core Boundary, J. of Geodyn., 41, 296-306.

  • Roult, G., Rosat, S., Millot-Langet, R., Clévédé, E. and Hinderer, J., 2006. New determinations of Q quality factors and eigenfrequencies for the whole set of singlets of the Earth's normal modes 0S0,0S2,0S3 and 2S1 using SG data from the GGP network, J. of Geodyn., 41, 345-357.

  • 2005
  • Park, J., Song, T-R A., Tromp, J., Okal, E., Stein, S., Roult, G., Clevede, E., Laske, G., Kanamori, H., Davis, P., Berger, J., Braitenberg, C., Van Camp, M., Lei, X., Sun, H. and Rosat, S., 2005. Earth’s Free Oscillations Excited by the 26 December 2004 Sumatra-Andaman Earthquake, Science, 308, 1139-1144.

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

  • 2004
  • Rosat, S., Hinderer, J., Crossley, D. and Boy, J.P., 2004. Performance of superconducting gravimeters from long-period seismology to tides, J. of Geodyn., 38, 3-5, 461-476.

  • Amalvict, M., Hinderer, J., Mäkinen, J., Rosat, S. and Rogister, Y., 2004. Long-term and seasonal gravity changes at the Strasbourg station and their relation to crustal deformation and hydrology, J. of Geodyn., 38, 3-5, 343-353.

  • Boy, J.-P., Llubes, M., Ray, R., Hinderer, J., Florsch, N., Rosat, S., Lyard, F. and Letellier, T., 2004. Non-Linear Oceanic Tides Observed by Superconducting Gravimeters in Europe, J. of Geodyn., 38, 3-5, 391-405.

  • 2003
  • Rosat, S., Hinderer, J., Crossley, D. and Rivera, L., 2003. The search for the Slichter Mode: Comparison of Noise Levels of Superconducting Gravimeters and Investigation of a Stacking Method, Phys. Earth Planet. Int., 140, 183-202.

  • Rosat, S., Hinderer, J. and Rivera, L., 2003. First observation of 2S1 and study of the splitting of the football mode 0S2, Geophys. Res. Lett., 30, 21, 2111.

  • Publications without referee


    2008
  • Rosat, S., and Lambert, S.B. 2008. Outer and inner core parameters from joint analysis of superconducting gravimeter and VLBI data, In: D. Behrend and K.D. Baver (Eds.), International VLBI Service for Geodesy and Astrometry (IVS) 2008 General Meeting Proceedings, 246.

  • 2007
  • Hinderer J., Boy J.-P., Rosat S., Rogister Y., Amalvict M., Gegout P., de Linage C. (2007) - Time-varying gravity with superconducting gravimeters, Rapport quadriennal 2003-2006 du CNFGG, 97-114.

  • 2002
  • Rosat, S., Hinderer, J. and Crossley, D., 2002. A comparison of the seismic noise levels at various GGP stations, Bull. Inf. Mar. Terr., 135, 10689-10700.

  • Amalvict, M., Hinderer, J., Gégout, P., Rosat, S. and Crossley, D., 2002. On the use of AG data to calibrate SG instruments in the GGP network, Bull. Inf. Mar. Terr., 135, 10621-10626.

  • Crossley, D., Hinderer, J. and Rosat, S., 2002. Using the atmosphere-gravity correlation to derive a time-dependent admittance, Bull. Inf. Mar. Terr., 136, 10809-10820.

  • Hinderer, J., Rosat, S., Crossley, D., Amalvict, M., Boy, J.P. and Gégout, P., 2002. Influence of different processing methods on the retrieval of gravity signals from GGP data, Bull. Inf. Mar. Terr., 135, 10653-10668.

  • Book Chapters


    2011
  • Rosat, S., 2011. A Review of the Slichter Modes: an Observational Challenge, In: The Earth’s Core: Structure, Properties and Dynamics, Editor: Jon M. Phillips, Nova Science Publishers, Inc., pp. 63-77.

  • Thesis


  • Rosat, S., 2004. Variations temporelles de la gravité en relation avec la dynamique interne de la Terre - Apport des gravimètres supraconducteurs, PhD thesis (in French), Univ. Louis Pasteur, Strasbourg (pdf, 27Mo).