Abstract
The results of studying the influence of lunisolar tides on the electrical conductivity of the Earth’s crust in the territory of the Kola Peninsula are presented. Along with the results obtained by the authors, the data of other researchers are also considered. All the studies are based on the analysis of the field produced by the Zevs facility transmitting extremely low frequency (ELF) signals at 82–83 Hz. The measurements were carried out in different years at the Avva-Guba (1998), Lovozero (2009), and Imandra–Varzuga polygon (IVP) monitoring sites (2013) located 180, 90, and 160 km from the transmitter, respectively. The negative correlation between the tides and crustal electrical resistivity is revealed at all the points. This means that tidal rises of the Earth’s surface are accompanied by a decrease in resistivity and vice versa. The overview shows that the higher the resistivity of separate Earth’s crustal blocks the higher the relative amplitudes of the corresponding tidal responses that are observed.
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Original Russian Text © A.A. Zhamaletdinov, A.N. Shevtsov, T.G. Korotkova, 2018, published in Fizika Zemli, 2018, No. 3.
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Zhamaletdinov, A.A., Shevtsov, A.N. & Korotkova, T.G. Lunisolar Tides Influence on Electrical Conductivity of the Earth’s Crust in the Territory of Kola Peninsula. Izv., Phys. Solid Earth 54, 474–486 (2018). https://doi.org/10.1134/S1069351318030102
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DOI: https://doi.org/10.1134/S1069351318030102