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Dependance of Magnetic Field Variations on the Speed of the Earth's Rotation.

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Title: Dependance of Magnetic Field Variations on the Speed of the Earth's Rotation.
Authors: Adushkin, V. V.1 (AUTHOR), Spivak, A. A.1 (AUTHOR) spivak@idg.ras.ru, Loktev, D. N.1 (AUTHOR), Riabova, S. A.1 (AUTHOR) riabovasa@mail.ru, Tikhonova, A. V.1 (AUTHOR)
Source: Doklady Earth Sciences. May2025, Vol. 522 Issue 1, p1-6. 6p.
Subjects: Geomagnetic variations, Geomagnetism, Geophysical observatories, Geophysical observations, Vector fields
Abstract: The relationship between the induction of the Earth's magnetic field and the speed of the Earth's rotation was analyzed. We used data from mid-latitude magnetic observations at the Mikhnevo Geophysical Observatory of the Sadovsky Institute of Geospheric Dynamics of Russian Academy of Sciences, and the BEL, HAD, MMB, and LYC observatories of the international INTERMAGNET network and data on the unevenness of the Earth's rotation. It was shown that in the cases considered the induction of the geomagnetic field increases with the growth of the Earth's rotation speed and, vice versa, decreases with the speed drop. We obtained the quantitative relationship between the absolute magnitude of the geomagnetic field induction vector and the LOD equal to the difference between the observed and ephemeris duration of the day. [ABSTRACT FROM AUTHOR]
Copyright of Doklady Earth Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Dependance of Magnetic Field Variations on the Speed of the Earth's Rotation.
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  Data: The relationship between the induction of the Earth's magnetic field and the speed of the Earth's rotation was analyzed. We used data from mid-latitude magnetic observations at the Mikhnevo Geophysical Observatory of the Sadovsky Institute of Geospheric Dynamics of Russian Academy of Sciences, and the BEL, HAD, MMB, and LYC observatories of the international INTERMAGNET network and data on the unevenness of the Earth's rotation. It was shown that in the cases considered the induction of the geomagnetic field increases with the growth of the Earth's rotation speed and, vice versa, decreases with the speed drop. We obtained the quantitative relationship between the absolute magnitude of the geomagnetic field induction vector and the LOD equal to the difference between the observed and ephemeris duration of the day. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Doklady Earth Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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