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Comparison of two methods for calculating tidal loads

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Abstract

The spherical harmonic expansion up to order n = 1440 of the oceanic tidal heights is derived for the waves of the CSR3.0 model. On the basis of the load Love numbers for the PREM model, the oceanic load effect in gravity is calculated. It is shown that the results provided by the spherical expansion technique and the method utilizing the Green’s function satisfactorily agree even at the order of the expansion n = 720. The obtained model predictions are compared to the oceanic load effect measured by the Global Geodynamics Project (GGP) network of superconducting gravimeters.

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References

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Authors and Affiliations

  1. Schmidt Institute of Physics of the Earth, Russian Academy of Sciences, ul. Bol’shaya Gruzinskaya 10, Moscow, 123995, Russia

    O. Yu. Vinogradova & E. A. Spiridonov

Authors
  1. O. Yu. Vinogradova
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  2. E. A. Spiridonov
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Correspondence to E. A. Spiridonov.

Additional information

Original Russian Text © O.Yu. Vinogradova, E.A. Spiridonov, 2013, published in Fizika Zemli, 2013, No. 1, pp. 88–97.

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Vinogradova, O.Y., Spiridonov, E.A. Comparison of two methods for calculating tidal loads. Izv., Phys. Solid Earth 49, 83–92 (2013). https://doi.org/10.1134/S1069351313010163

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  • DOI: https://doi.org/10.1134/S1069351313010163

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