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The Superposition of Auroral Currents in the Region of the Harang Discontinuity

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An Erratum to this article was published on 14 December 2022

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Abstract

Cases of superposition of auroral electric jets in the auroral zone at the instances of development of the Harang discontinuity have been found and described using the data from ground-based magnetometers. It is shown that special conditions for the development of elements of current systems form in the region of the Harang discontinuity, and those can be taken into account only with a special method of separating the types of variations according to morphological features. With an accuracy of determining the position of electric jets from ground data within tens of kilometers, the convergence of electric jets at the altitude of the ionospheric E-layer of 115 km is 20–30 km. The discovered properties of currents during the formation of the Harang discontinuity should be taken into account in the construction of an equivalent ionospheric current system that determines the dynamics of substorm development.

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7. ACKNOWLEDGMENTS

The results presented in this paper are based on the data from the observation sites in Yamal thanks to the work of the observers on Bely Island and in Kharasavei village, who help scientists in the Arctic. We also express our gratitude to the staff of IZMIRAN who supported the studies at the Geomagnetic meridian 145.

Funding

The study was carried out at IZMIRAN under the State Assignment no. 01201356397.

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Authors and Affiliations

  1. Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation, Russian Academy of Sciences (IZMIRAN), Moscow, Troitsk, Russia

    A. N. Zaitsev, K. Kh. Kanonidi & V. G. Petrov

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  1. A. N. Zaitsev
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  2. K. Kh. Kanonidi
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  3. V. G. Petrov
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Correspondence to A. N. Zaitsev, K. Kh. Kanonidi or V. G. Petrov.

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The authors declare that they have no conflicts of interest.

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Translated by M. Chubarova

The original online version of this article was revised: Modifications have been made to the Last paragraph of the Section 6. Full information regarding the corrections made can be found in the erratum for this article.

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Zaitsev, A.N., Kanonidi, K.K. & Petrov, V.G. The Superposition of Auroral Currents in the Region of the Harang Discontinuity. Geomagn. Aeron. 62, 563–572 (2022). https://doi.org/10.1134/S0016793222050176

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