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Irregularities in the Earth’s rotation and the overall angular momentum of the atmosphere

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Abstract

Methods of celestial mechanics are used to refine a mathematical model for irregularity in the axial rotation of the Earth proposed earlier. This refinement applies corrections (residuals) introduced by perturbations of zonal tides. We examine intraday and near-diurnal variations in the Earth’s axial rotation, and a celestial-mechanical model explaining the origin of the intraday and near-diurnal oscillations in the rotational angular velocity is constructed. The correspondence between the variations of the intrayear rotational irregularity and the overall angular momentum of the atmosphere is analyzed.

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Authors and Affiliations

  1. Institute for Problems of Mechanics, Russian Academy of Sciences, pr. Vernadskogo 101, Moscow, 117526, Russia

    L. D. Akulenko

  2. Moscow Institute of Aviation, Volokolamskoe sh. 4, Moscow, 125080, Russia

    Yu. G. Markov & V. V. Perepelkin

  3. Institute of Astronomy, Russian Academy of Sciences, ul. Pyatnitskaya 48, Moscow, 109017, Russia

    L. V. Rykhlova

Authors
  1. L. D. Akulenko
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  2. Yu. G. Markov
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  3. V. V. Perepelkin
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  4. L. V. Rykhlova
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Additional information

Original Russian Text © L.D. Akulenko, Yu.G. Markov, V.V. Perepelkin, L.V. Rykhlova, 2010, published in Astronomicheskiĭ Zhurnal, 2010, Vol. 87, No. 3, pp. 293–302.

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Akulenko, L.D., Markov, Y.G., Perepelkin, V.V. et al. Irregularities in the Earth’s rotation and the overall angular momentum of the atmosphere. Astron. Rep. 54, 260–268 (2010). https://doi.org/10.1134/S106377291003008X

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  • DOI: https://doi.org/10.1134/S106377291003008X

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