Quasi-periodic ripples in high latitude electron content, the geomagnetic field, and the solar wind

Birch, M.J. and Hargreaves, J.K. (2020) Quasi-periodic ripples in high latitude electron content, the geomagnetic field, and the solar wind. Scientific Reports, 10 (1). ISSN 2045-2322

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Abstract

In this study we present evidence for the existence of quasi-periodic ripples in the F-region electron content at high latitude, the magnetic flux density at geosynchronous orbit, and the solar wind dynamic pressure and IMF flux density at L1. The ripples are shown to be continually present during all 14 days of observations in different years and seasons, and at all local times, though they are generally small in magnitude relative to the background. The frequencies of all the parameters are, on average, remarkably similar, and the amplitudes of the selected peaks of some parameters show strong correlations for which regression formulae are given. These results support the proposition that the ripples propagate from the solar wind to the F-region, and that they are a related, persistent phenomenon.

Item Type:
Journal Article
Journal or Publication Title:
Scientific Reports
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1000
Subjects:
ID Code:
141095
Deposited By:
Deposited On:
05 Feb 2020 16:30
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Dec 2020 07:52