Université de Strasbourg

Recherche_IPGS_DGDA

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Contact

Adresse
5 rue René Descartes
67084 Strasbourg Cedex
France

Téléphone
+33 3 68 85 01 16

Fax
+33 3 68 85 01 25

Email
severine.rosat (at) unistra.fr

Personal Website

PhD thesis

Download PhD thesis (14 Mo)

Publications

Peer-reviewed papers

  1. Rosat, S. & Y. Rogister, 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.
  2. Rosat, S. & 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.
  3. Riccardi, U., Rosat, S. & 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, doi:10.1088/0026-1394/48/1/003.
  4. Riccardi, U., Rosat, S. et Hinderer, J., 2011. On the Accuracy of the Calibration of Superconducting Gravimeters Using Absolute and Spring Sensors: a Critical Comparison, Pure Appl. Geophys., doi:10.1007/s00024-011-0398-8.
  5. Rosat, S., Florsch, N., Hinderer, J. & 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, doi:10.1016/j.jog.2009.09.027.
  6. 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, doi:10.1016/j.jog.2009.09.026.
  7. Rosat, S. & Lambert, S.B., Free core nutation resonance parameters from VLBI and superconducting gravimeter data, Astron. Astrophys., 503, 287-291, doi:10.1051/0004-6361/200811489.
  8. 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_62.
  9. Rosat, S., P. Rosenblatt, A. Trinh & V. Dehant, 2008. Mars and Mercury rotation variations from altimetry crossover data: Feasibility study, J. Geophys. Res., 113, E12014, doi:10.1029/2008JE003233.
  10. Rosat, S., Fukushima, T., Sato, T. & 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, doi:10.1016/j.jog.2007.06.001.
  11. Rosat, S., 2007. Optimal Seismic Source Mechanisms to Excite the Slichter Mode. Int. Assoc. of Geod. Symposia, Dynamic Planet, Cairns (Australia), vol. 130, 571-577, Springer Berlin Heidelberg New York, doi:10.1007/978-3-540-49350-1_83.
  12. Rosat, S., Sailhac, P. & 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, DOI: 10.1111/j.1365-246X.2007.03533.x.
  13. Rosat, S., Watada, S. & 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. [pdf]
  14. Tanaka, A., Rosat, S., Kisimoto, K. & 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. [pdf]
  15. Rosat, S., Rogister, Y., Crossley, D. & 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, doi:10.1016/j.jog.2005.08.033.
  16. Roult, G., Rosat, S., Millot-Langet, R., Clévédé, E. & 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, doi:10.1016/j.jog.2005.08.020.
  17. 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. & Rosat, S., 2005. Earth’s Free Oscillations Excited by the 26 December 2004 Sumatra-Andaman Earthquake, Science, 308, 1139-1144, DOI: 10.1126/science.1112305.
  18. Rosat, S., Sato, T., Imanishi, Y., Hinderer, J., Tamura, Y., McQueen, H. & 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.
  19. Rosat, S., Hinderer, J., Crossley, D. & Boy, J.P., 2004. Performance of superconducting gravimeters from long-period seismology to tides, J. of Geodyn., 38, 3-5, 461-476, doi:10.1016/j.jog.2004.07.005.
  20. Amalvict, M., Hinderer, J., Mäkinen, J., Rosat, S. & 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, doi:10.1016/j.jog.2004.07.010.
  21. Boy, J.-P., Llubes, M., Ray, R., Hinderer, J., Florsch, N., Rosat, S., Lyard, F. & Letellier, T., 2004. Non-Linear Oceanic Tides Observed by Superconducting Gravimeters in Europe, J. of Geodyn., 38, 3-5, 391-405, doi:10.1016/j.jog.2004.07.017.
  22. Rosat, S., Hinderer, J., Crossley, D. & 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, doi:10.1016/j.pepi.2003.07.010.
  23. Rosat, S., Hinderer, J. & Rivera, L., 2003. First observation of 2S1 and study of the splitting of the football mode 0S2, Geophys. Res. Lett., 30, 21, 2111, doi:10.1029/2003GL018304.

Other Publications

  1. Rosat, S., & 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.
  2. 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.
  3. Rosat, S., Hinderer, J. et Crossley, D., 2002. A comparison of the seismic noise levels at various GGP stations, Bull. Inf. Mar. Terr., 135, 10689-10700.
  4. Amalvict, M., Hinderer, J., Gégout, P., Rosat, S. et Crossley, D., 2002. On the use of AG data to calibrate SG instruments in the GGP network, Bull. Inf. Mar. Terr., 135, 10621-10626.
  5. Crossley, D., Hinderer, J. et Rosat, S., 2002. Using the atmosphere-gravity correlation to derive a time-dependent admittance, Bull. Inf. Mar. Terr., 136, 10809-10820.
  6. Hinderer, J., Rosat, S., Crossley, D., Amalvict, M., Boy, J.P. et 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 Chapter

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. [HAL]