Publication:
An investigation into the spectral parameters of ultra-low-frequency (ULF) waves in the polar caps and magnetotail

Дата
2022
Авторы
Yagova, N. V.
Baddeley, L. J.
Lorentzen, D. A.
Sormakov, D. A.
Nosikova, N. S.
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Научные группы
Организационные подразделения
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Аннотация
© Copyright: The present case study is focused on fluctuations at g1/4g 1.5g mHz observed on open field lines in both of the polar caps in ground-based geomagnetic data and in the electron concentration in the Northern Hemisphere ionosphere. Coherent pulsations with a relatively narrow narrowband-like spectra and a higher fraction of transversal components in the total spectral power are also observed by the Cluster satellites in the magnetotail magnetic field. Interestingly, the pulsations in the magnetotail started after pulsations over a similar frequency range observed in the solar wind dynamic pressure and interplanetary magnetic field (IMF) had been switched off. This suggests evidence of an internal resonant magnetotail mode which is normally masked by a higher-Amplitude broadband ultra-low-frequency (ULF) "noise"of extra-magnetospheric origin.
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An investigation into the spectral parameters of ultra-low-frequency (ULF) waves in the polar caps and magnetotail / Yagova, N.V. [et al.] // Annales Geophysicae. - 2022. - 40. - № 1. - P. 151-165. - 10.5194/angeo-40-151-2022
URI
https://www.doi.org/10.5194/angeo-40-151-2022
 https://www.scopus.com/record/display.uri?eid=2-s2.0-85126200888&origin=resultslist
 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000765646000001
 https://openrepository.mephi.ru/handle/123456789/28833
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