Magnetic effect of El Niño

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Resumo

The variations of the Earth’s magnetic field in the period 2013–2023 are considered based on the analysis of data from the INTERMAGNET network of observatories located in the South Pacific Ocean. It is shown that the 2015 El Niño was accompanied by anomalous geomagnetic variations with an amplitude of up to 120 nT with a pronounced increase in their standard deviation by 1.5 times relative to the average values of 2013. It is noted that starting from the end of 2022 – beginning of 2023, a sharp increase in geomagnetic field variations and an increase in their standard deviation (relative to 2021 by 2.5 times), which may indicate the beginning of the activation of a strong El Niño, the maximum intensity of which should be expected in 2024.

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Sobre autores

V. Adushkin

Sadovsky Institute of Geosphere Dynamics of Russian Academy of Sciences

Email: aaspivak100@gmail.com

Academician of the RAS

Rússia, Moscow

A. Spivak

Sadovsky Institute of Geosphere Dynamics of Russian Academy of Sciences

Autor responsável pela correspondência
Email: aaspivak100@gmail.com
Rússia, Moscow

S. Riabova

Sadovsky Institute of Geosphere Dynamics of Russian Academy of Sciences

Email: aaspivak100@gmail.com
Rússia, Moscow

A. Tikhonova

Sadovsky Institute of Geosphere Dynamics of Russian Academy of Sciences

Email: aaspivak100@gmail.com
Rússia, Moscow

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1. JATS XML
2. Fig. 1. The layout of the observatories of the INTERMAGNET network.

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3. Fig. 2. Variations of the magnetic field components during the El Nino period 2015 (A) and during the El Nino preparation period 2023-2024 (B).

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4. Fig. 3. Microbaric oscillations recorded during the magnetic storm on 04/23/2023. Standard deviations (RMS) of the amplitudes of the average monthly variations of the magnetic field during the El Nino period 2015 (A) and during the El Nino preparation period 2023-2024 (B).

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Declaração de direitos autorais © Russian Academy of Sciences, 2024

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