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The response of the magnetosphere-ionosphere system to solar wind dynamic pressure variations

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Freeman, M. P., Farrugia, C. J., Cowley, S. W. H., Southwood, D. J., Lockwood, M. ORCID: https://orcid.org/0000-0002-7397-2172 and Etemadi, A. (1990) The response of the magnetosphere-ionosphere system to solar wind dynamic pressure variations. In: Physics of Magnetic Flux Ropes. in "Physics of magnetic flux ropes", ed. C.T. Russell, E.R. Priest and L.C. Lee, Geophys. Monograph 58, 58. American Geophysical Union, Washington, D.C., USA, pp. 611-618.

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To link to this item DOI: 10.1029/GM058p0611

Abstract/Summary

We study the causal chain of events by which variations in the solar wind dynamic pressure cause the magnetopause boundary to move and excite magnetic perturbations at the ground. The observation of large ground magnetic transients is argued to be due to the coupling of the magnetohydrodynamic compressional wave to the field-guided Alfvén wave, which carrying current, can thereby transfer momentum to the ionosphere. The study highlights the similarity of the ionospheric signatures at a single station arising from the response of the coupled magnetosphere-ionosphere system to disparate impulsive processes at the magnetopause.

Item Type:Book or Report Section
Refereed:Yes
Divisions:No Reading authors. Back catalogue items
Science > School of Mathematical, Physical and Computational Sciences > Department of Meteorology
ID Code:38854
Publisher:American Geophysical Union
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