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New indications of the 4-month oscillation in solar activity, atmospheric circulation and Earth's rotation

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Abstract

The 4-month oscillation, detected earlier by the same authors in geophysical and solar data series, is now confirmed by the analysis of other observations. In the present results the 4-month oscillation is better emphasized than in previous results, and the analysis of the new series confirms that the solar activity contribution to the global atmospheric circulation and consequently to the Earth's rotation is not negligeable. It is shown that in the effective atmospheric angular momentum and Earth's rotation, its amplitude is slightly above the amplitude of the oscillation known as the Madden-Julian cycle.

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Authors and Affiliations

  1. University of Belgrade, Studentski trg 16, 11000, Belgrade, Yugoslavia

    D. Djurovic

  2. Observatoire Royal de Belgique, Av. Circulaire 3, 1180, Bruxelles, Belgium

    P. Pâquet

Authors
  1. D. Djurovic
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  2. P. Pâquet
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Djurovic, D., Pâquet, P. New indications of the 4-month oscillation in solar activity, atmospheric circulation and Earth's rotation. Sol Phys 156, 395–404 (1995). https://doi.org/10.1007/BF00670234

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  • DOI: https://doi.org/10.1007/BF00670234

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