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Abstract

Summary

Based on the planetary geomagnetic indices we make some considerations about geomagnetic disturbations at the beginning of the 25th Solar Cycle.

The most important event in this new solar cycle was the geomagnetic storm of May 12, 2021. We performed Fourier and wavelet analyses, based on data from five geomagnetic observatories from INTERMAGNET For this analysis of the geomagnetic data sampled at one minute, we used the North component of each observatory and comparative physical parameters related to this geomagnetic storm, from available data. Also, we used wavelet coherence between observatories, for North, East, and vertical geomagnetic component, on May 12, 2021. Can be seen a very good correlation between the physical parameters of the solar activity and the geomagnetic data recorded in the planetary geomagnetic observatories.

© EAGE Publications BV
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/content/papers/10.3997/2214-4609.202149BGS44
2021-10-10
2024-04-26

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References

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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.202149BGS44
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Analysis of Major Geomagnetic Disturbances from the First Half of Year 2021
Conference Proceedings 2021, 1 (2021); https://doi.org/10.3997/2214-4609.202149BGS44
/content/papers/10.3997/2214-4609.202149BGS44
/content/papers/10.3997/2214-4609.202149BGS44
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