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Ocean tidal loading from the gravity measurements at Józefosław Observatory

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Ocean tidal loading is important source of disturbances in precise gravity measurements. Nowadays gravimeters reached unprecedented relative accuracy and loading signal can be observed also at large distances from the oceans. In this paper theoretical calculations are compared with analysis made on the basis of observations collected in Józefosław Observatory during last three years with use of LCR-ET spring gravimeter. Long series of consisted data allowed for investigation in small subtle gravity signals. Subtracting body tides from tidal analysis results yields discrepancies of a few nm/s2 for main tidal constituents which are in good agreement with computed ocean loading using most recent ocean models.
Rocznik
Strony
175--183
Opis fizyczny
Bibliogr. 31 poz., rys., tab.
Twórcy
autor
  • Warsaw University of Technology Department of Geodesy and Geodetic Astronomy pl. Politechniki 1, 00-661 Warsaw, Poland
Bibliografia
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  • Bogusz J. (2002). New tidal gravimetric laboratory in Jozefoslaw. Reports on Geodesy, 61(1), 153-159.
  • Boy J.P. and Hinderer J. (2006). Study of the seasonal gravity signal by superconducting gravimeter data. Journal of Geodynamics, 41, 227-233.
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  • Dehant V. (1987). Tidal parameters for an inelastic earth. Physics of the Earth and Planetary Interiors, 49, 97-116.
  • Eanes R. and Bettadpur S. (1995). The csr 3.0 global ocean tide model, center for space research. Technical Memorandum, CSR-TM-95-06.
  • Egbert G.D., Bennett A.F., and Foreman M.G.G. (1994). TOPEX/POSEIDON tides estimated using a global inverse model. J. Geophys. Res., 99, 24821-24852.
  • el Wahabi A., Dittfeld H.J., and Simon Z. (2000). Meteorological influence on tidal gravimeter drift. Bulletin d’informations Mares Terrestres, 133, 10403-10414.
  • Farrell W.E. (1972). Deformation of the earth by surface loads. Rev. Geophys and Space Phys., 10, 761-797.
  • Goad C. (1980). Gravimetric tidal loading from integrated Green’s functions. Journal of Geophysical Research, 85, 2679-2683.
  • Harrison J., editor (1985). Earth Tides, In: Benchmark papers in Geology Series. Van Nostrand Reinhold, New York.
  • Hartmann T. and Wenzel H.G. (1995). Catalogue hw95 of the tide generating potential. Bulletin d’informations Marees Terrestres, 123, 9278-9301.
  • Hinderer J. and Crossley D. (2004). Scientific achivements from the first phase (1997-2003) of the Global Geodynamics Project using a worldwide network of superconducting gravimeters. Journal of Geodynamics, 38, 237-262.
  • Kaczorowski M. (1995). Calculation pf the Greens’s loading functions. part 1. theory. Artificial Satellites, 30(1), 77-93.
  • Kaczorowski M. (1998). Calculation pf the Greens’s loading functions. part 2. results of calculations. Artificial Satellites, 33(2), 77-108.
  • Kroner C. and Jentzsch G. (1999). Comparison of different barometric pressure reductions for gravity data and resulting consequences. Physics of the Earth and Planetary Interior, 115, 205-218.
  • Le Provost C., Lyard F., Molines J.M., Genco M.L., and Rabilloud F. (1995). A hydrodynamic ocean tide model improved by assimilating a satellite-derived data set. MEOM-LEGI internal report, 31.
  • Melchior P. (1978). The Tides of of the Planet Earth. Pergamon, Oxford.
  • Pagiatakis S. (1990). The response of realistic Earth to ocean tide loading. Geophysical Journal International, 103, 541-560.
  • Rajner M. and Olszak T. (2010). Calibration of spring gravimeter using absolute gravity measurements. results of parallel observations using lcr-et and fg5 gravimeters during 2007-2010 in J´ozefoslaw observatory. Reports on Geodesy, 88(1), 15-20.
  • Ray R. (1999). A global ocean tide model from topex/poseidon altimetry:got99.2. NASA Tech. Mem. 209478. Goddard Space Fligt Center, Greenbelt, MD, USA.
  • Rogowski J., Barlik M., Liwosz T., Kruczyk M., Kujawa L., Rajner M., Olszak T., and Kurka W. (2010). Activities of J´ozefoslaw astro-geodetic observatory in the last five decades. Reports on Geodesy, 89(2), 31-52.
  • Schum C.K., Woodworth P.L., Andersen O.B., Egbert G., Francis O., King C., Klosko S., Le Provost C., Li X., Molines J.M., Parke M., Ray R., Shlax M., Stammer D., Tierney C., Tierney C., Vincent P., and Wunsch C. (1997). Accuracy assessment of recent ocean tide models. Journal of Geophysical Research, 102, 25173-25194.
  • Schwiderski E.W. (1980). On charting global ocean tides. Rev. Geophys. Space Phys., 18.
  • Van Camp M. and Vauterin P. (2005). Tsoft: graphical and interactive software for the analysis of time series and earth tides. Computers and Geosciences, 31(5), 631-640.
  • van Dam T., Wahr J., Milly P., and Francis O. (2001). Gravity changes due to continental water storage. J. Geodet. Soc. Jpn., 47, 249-254.
  • Wahr J. (1981). Body tides on an elliptical, rotating, elastic and oceanless earth. Geophysical Journal of the Royal astronomical Society, 64, 677-703.
  • Wenzel H.G. (1996). The nanogal software: Earth tide data processing package eterna 3.30. Bulletin d’Informations Marees Terrestres, 124, 9425-9439.
  • Zschau J. (1978). Tidal friction in the solid Earth: loading tides versus body tides. In P. Brosche and S¨undermann, editors, Tidal Friction and the Earth’s Rotation. Springer, Berlin, pages 62-94.
  • Zürn W., Wenzel H.G., and Laske G. (1991). High quality data from LaCoste&Romberg gravimeters with electrostatic feedback: A challenge for superconducting gravimeters. Bulletin d’informations Mares Terrestres, 110, 7940-7952.
Uwagi
Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-d0cd4f9c-e8e7-46d4-883f-0324a9437e64
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