Astronomy Reports

, Volume 62, Issue 4, pp 299–308 | Cite as

A Numerical–Analytical Approach to Modeling the Axial Rotation of the Earth

  • Yu. G. Markov
  • V. V. Perepelkin
  • L. V. Rykhlova
  • A. S. Filippova
Article
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Abstract

A model for the non-uniform axial rotation of the Earth is studied using a celestial-mechanical approach and numerical simulations. The application of an approximate model containing a small number of parameters to predict variations of the axial rotation velocity of the Earth over short time intervals is justified. This approximate model is obtained by averaging variable parameters that are subject to small variations due to non-stationarity of the perturbing factors. The model is verified and compared with predictions over a long time interval published by the International Earth Rotation and Reference Systems Service (IERS).

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • Yu. G. Markov
    • 1
  • V. V. Perepelkin
    • 1
  • L. V. Rykhlova
    • 2
  • A. S. Filippova
    • 1
  1. 1.Moscow Institute of AviationMoscowRussia
  2. 2.Institute of AstronomyRussian Academy of SciencesMoscowRussia

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