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Revisiting Long-Time Dynamics of Earth’s Angular Rotation Depending on Quasiperiodic Solar Activity

Author

Listed:
  • Sergey Ershkov

    (Department of Scientific Researches, Plekhanov Russian University of Economics, Scopus Number 60030998, Moscow 117997, Russia
    Sternberg Astronomical Institute, M.V. Lomonosov’s Moscow State University, 13 Universitetskij Prospect, Moscow 119992, Russia)

  • Dmytro Leshchenko

    (Odessa State Academy of Civil Engineering and Architecture, 65029 Odessa, Ukraine)

  • Evgeniy Prosviryakov

    (Sector of Nonlinear Vortex Hydrodynamics, Institute of Engineering Science of Ural Branch of the Russian Academy of Sciences, 34 Komsomolskaya st., Ekaterinburg 620049, Russia)

Abstract

Having taken into account the nonsymmetric form of Earth’s surface (which is an oblate spheroid as the first approximation, with oblateness of approx. 1/300), we outline in the current research that additional large-scale torques stem from unbalanced (reactive) reradiating heat flows back into outer space. They arise during long-time dynamics of Earth’s angular rotation depending on quasiperiodic solar activity. The key idea of our research supports the mainstream idea of most of the researchers in the scientific community regarding this matter. It stipulates that the activity of earthquakes strongly correlates with changes in the regime of Earth’s spin dynamics during all periods of observation. We have demonstrated here that the long-time dynamics of Earth’s angular rotation depends on the quasiperiodic solar activity by arising additional large-scale torques stemming from unbalanced (reactive) reradiating heat fluxes. The latter carry the momentum outside and at an unpredictable angle to the overall Earth’s surface back into outer space (due to the nonsymmetric form of Earth’s surface).

Suggested Citation

  • Sergey Ershkov & Dmytro Leshchenko & Evgeniy Prosviryakov, 2023. "Revisiting Long-Time Dynamics of Earth’s Angular Rotation Depending on Quasiperiodic Solar Activity," Mathematics, MDPI, vol. 11(9), pages 1-10, April.
    • Handle: RePEc:gam:jmathe:v:11:y:2023:i:9:p:2117-:d:1136769
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    References listed on IDEAS

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    1. Sergey Ershkov & Dmytro Leshchenko, 2023. "Inelastic Collision Influencing the Rotational Dynamics of a Non-Rigid Asteroid (of Rubble Pile Type)," Mathematics, MDPI, vol. 11(6), pages 1-7, March.
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