Studia Geophysica et Geodaetica

, Volume 30, Issue 1, pp 28–30 | Cite as

On the non-tidal secular acceleration of the Earth's rotation

  • Milan Burša
  • Z. Šimon


The secular positive acceleration of the Earth's rotation has been computed on the basis of the observed secular decrease of the second zonal harmonic[5]. It corresponds to the observed secular deceleration of the Earth's rotation which should be greater because of oceanic tides.


Structural Geology Oceanic Tide Positive Acceleration Secular Acceleration Secular Decrease 
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.


Исхо¶rt;я uз нaблю¶rt;aемого векового уменъщенuя вmороŭ зонaлъноŭгaрмонuкu [5], вычuслено ¶rt;обaвочное nоложumелъное вековое ускоренuе земного врaщенuя. Оmмечено его сооmвеmсmвuе нaблю¶rt;aемому вековому уменъшенuю угловоŭ скоросmu врaщенuя Землu, m.к. nосле¶rt;нее nо абсолюmноŭ велuчuне менъше, чем ¶rt;олжно быmъ nо океaнuческuм nрuлuвaм.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. [1]
    Н. Н. Парийский: К изучению земных приливов. Физ. Земли, 9 (1978), 43.Google Scholar
  2. [2]
    K. Lambeck: Tidal Dissipation in the Oceans: Astronomical, Geophysical and Oceanographic Consequences. Phil. Trans. Roy. Soc. London, 287 (1977), 545.Google Scholar
  3. [3]
    Н. Н. Парийский, М. В. Кузнецов, Л. В. Кузнецова: О влиянии океанических приливов на вековое замедление вращения Земли. Физ. Земли, 2 (1972), 3.Google Scholar
  4. [4]
    J. O. Dickey, J. G. Williams, XX Newhall, C. F. Yoder: Geophysical Applications of Lunar Laser Ranging. Pres. XVIIIth Gen. Ass. IUGG, Hamburg 1983.Google Scholar
  5. [5]
    B. D. Tapley, B. E. Schutz, R. J. Eanes: Geodetic and Geophysical Parameter Determination from Satellite Laser Ranging. Pres. XXVth COSPAR Gen. Ass., Graz 1984.Google Scholar
  6. [6]
    M. Burša, M. Šidlichovský: Influence of Time Variation in the Second Zonal Harmonic on Polar Motion. Bull. Astron. Inst. Czechosl., 36 (1985), 24.Google Scholar
  7. [7]
    W. H. Munk, G. T. F. MacDonald: The Rotation of the Earth. Cambridge Univ. Press 1960.Google Scholar
  8. [8]
    C. F. Yoder, J. G. Williams & J. O. Dickey, B. E. Schutz, R. J. Eanes & B. D. Tapley: Secular Variation of Earth's Gravitational Harmonic J2 Coefficient from Lageos and Nontidal Acceleration of Earth Rotation. Nature, 303 (1983), 757.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