Geodynamic shape evolution and inhomogeneous distribution of the Earth’s density

Authors

  • A.L. Tserklevych Lviv Polytechnic National University, Lviv, Ukraine, Ukraine
  • O.S. Zayats Lviv Polytechnic National University, Lviv, Ukraine, Ukraine
  • M.M. Fys Lviv Polytechnic National University, Lviv, Ukraine, Ukraine

DOI:

https://doi.org/10.24028/gj.v47i2.322575

Keywords:

PREM model of the Earth structure, harmonic coefficients of the geopotential, gravitational energy, horizontal gradients of the density distribution

Abstract

The paper presents the results and their interpretation in the study of planetary distributions of density and energy in an ellipsoidal planet under an additional condition — the minimum gravitational energy of the Earth. Also, the components of the density distribution gradient characterizing the horizontal movements of inhomogeneous masses are determined.

References

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Tserklevych, A.L., Fis, M.M., Shylo, E.O., & Zayats, O.S. (2022). Planetary geodynamics: Shape, gravitational field, internal structure of the Earth and planets of the Earth group. Lviv: Lviv Polytechnic Publishing House, 336 p. (in Ukrainian).

Fis, M.M., & Tserklevich, A.L. (2021). Influence of the principle of minimum potential energy on the distribution of the Earth’s density and gravitational energy for the PREM model. Geophysical Journal, 43(1), 194—210. https://doi.org/10.24028/gzh.0203-3100.v43i1.2021.225549 (in Ukrainian).

Dzewonski, A., & Anderson, D. (1981). Preliminary reference Earthmodel. Physics of the Earth and Planetary Interiors, 25, 297—356. https://doi.org/10.1016/0031-9201(81)90046-7.

Dziewonski, A.M, Hager, B.H, & O’Connell, R.J. (1977). Large scale heterogeneities in the lower manthle. Journal of Geophysical Research, 82(2), 239—255. https://doi.org/10.1029/JB082 i002p00239.

Hedlin, M.A.H., Shearer, P.M., & Earle, P.S. (1997). Seismic evidence for small-scale heterogeneity throughout the Earth’s mantle. Nature, 387, 145—150. https://doi.org/10.1038/387145a0.

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Published

2025-04-07

How to Cite

Tserklevych, A., Zayats, O., & Fys, M. (2025). Geodynamic shape evolution and inhomogeneous distribution of the Earth’s density. Geofizicheskiy Zhurnal, 47(2). https://doi.org/10.24028/gj.v47i2.322575

Issue

Vol. 47 No. 2 (2025)

Section

Conferences

License

Copyright (c) 2025 А.Л. Церклевич, О.С. Заяць, М.М. Фис

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