Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010arep...54..260a&link_type=abstract
Astronomy Reports, Volume 54, Issue 3, pp.260-268
Astronomy and Astrophysics
Astronomy
2
Scientific paper
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.
Akulenko L. D.
Markov Yu. G.
Perepelkin V. V.
Rykhlova Lydia V.
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