Advertisement

Studia Geophysica et Geodaetica

, Volume 30, Issue 1, pp 31–34 | Cite as

A note on secular variation of gravity due to non-tidal geodynamic phenomena

  • Milan Burša
  • Z. Šimon
Article

Summary

Secular non-tidal variations of geopotential and gravity are estimated due to secular decrease of the second zonal geopotential harmonic, secular polar motion and deceleration of the Earth's rotation.

Keywords

Structural Geology Secular Variation Polar Motion Secular Decrease Geodynamic Phenomenon 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Резюме

Дaеmся оценкa неnрuлuвных вековых uзмененuŭгеоnоmенцuaлa u ускоренuя сuлы mяжесmu, вызвaнных вековым уменьшенuем вmороŭ зонaльноŭгaрмонuкuгеоnоmенцuaлa, вековым ¶rt;вuженuем земных nолюсов u уменьшенuем угловоŭ скорсmu врaщенuя Землu.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. [1]
    Tidal Friction and the Earth's Rotation. (Eds. P. Brosche and J. Sündermann), Springer-Vlg, Berlin etc 1978.Google Scholar
  2. [2]
    Tidal Friction and the Earth's Rotation II. (Eds. P. Brosche and J. Sündermann), Springer-Vlg, Berlin etc 1982.Google Scholar
  3. [3]
    C. F. Yoder, J. G. Williams, J. O. Dickey, B. E. Schutz, R. J. Eanes, B. D. Tapley: Secular Variation of Earth's Gravitational HarmonicJ 2 Coefficient from Lageos and Nontidal Acceleration of Earth Rotation. Nature, 303 (1983), 757.Google Scholar
  4. [4]
    M. Burša: A Note on Upper Limits for Hypothetic Variation in the Newtonian Constant of Gravitation. Studia geoph. et geod., 28 (1984), 360.Google Scholar
  5. [5]
    J. Vondrák: Long-period Behaviour of Polar Motion between 1900.0 and 1984.0. Annales Geophysicae No 3, 1985, 351.Google Scholar
  6. [6]
    W. H. Munk, G. T. F. MacDonald: The Rotation of the Earth. Cambridge Univ. Press 1960.Google Scholar

Copyright information

© ACADEMIA, Publishing House of the Czechoslovak Academy of Sciences 1986

Authors and Affiliations

  • Milan Burša
    • 1
  • Z. Šimon
  1. 1.Astronomical InstituteCzechosl. Acad. Sci.Prague

Personalised recommendations