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On the estimation of accuracy for global models of gravitational field of the earth

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Abstract

The methods and techniques for estimating the accuracy of global models of the Earth’s gravity field in the form of spherical harmonic expansion of the geopotential are analyzed. Various methods for obtaining the a priori and a posteriori estimates for the accuracy are considered and classified. The application of different approaches is illustrated by numerical examples for nine models, including those recently developed using the modern methods of space geodesy. The basic requirements for the database and software for estimating the accuracy are formulated.

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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

    V. N. Koneshov

  2. Moscow State University of Geodesy and Cartography, Gorokhovskii per. 4, Moscow, 105064, Russia

    V. B. Nepoklonov & E. A. Lidovskaya

  3. Central Scientific Research Institute for Geodesy, Aerial Photography, and Cartography, ul. Onezhskaya 26, Moscow, 125413, Russia

    R. A. Sermyagin

Authors
  1. V. N. Koneshov
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  2. V. B. Nepoklonov
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  3. R. A. Sermyagin
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  4. E. A. Lidovskaya
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Additional information

Original Russian Text © V.N. Koneshov, V.B. Nepoklonov, R.A. Sermyagin, E.A. Lidovskaya, 2014, published in Fizika Zemli, 2014, No. 1, pp. 129–138.

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Koneshov, V.N., Nepoklonov, V.B., Sermyagin, R.A. et al. On the estimation of accuracy for global models of gravitational field of the earth. Izv., Phys. Solid Earth 50, 127–136 (2014). https://doi.org/10.1134/S1069351313060074

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  • DOI: https://doi.org/10.1134/S1069351313060074

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