Trends and variations in the irregularities of the Earth’s rotation
DOI:
https://doi.org/10.21638/spbu01.2021.115Abstract
The paper presents results of modeling various variations of the Universal Time (UT1). To develop a variation models, UT1 observations from 1901 to 2020 published by the International Earth Rotation and Reference Systems Service (IERS) were used. Using the developed method, the main variations are identified from the diverse spectrum of irregularities in the Earth’s rotation, the models of which are presented as a superposition of a limited number of harmonic components. The results obtained in this paper are important for improving the accuracy of predictions of Universal Time.Keywords:
Earth’s rotation, Universal Time, variations, modeling, prediction
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Литература
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Published
2021-05-29
How to Cite
Tissen, V. M., & Malkin, Z. M. (2021). Trends and variations in the irregularities of the Earth’s rotation. Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 8(1), 167–178. https://doi.org/10.21638/spbu01.2021.115
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Astronomy
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Articles of "Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy" are open access distributed under the terms of the License Agreement with Saint Petersburg State University, which permits to the authors unrestricted distribution and self-archiving free of charge.
