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Kelvin-Helmholtz multi-spacecraft studies at the Earth's magnetopause boundaries
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Foullon, C. (Claire), Farrugia, C. J. (Charles John), Owen, C. J. (Christopher J.), Fazakerley, A. N. and Gratton, F. T. (2010) Kelvin-Helmholtz multi-spacecraft studies at the Earth's magnetopause boundaries. In: 12th International Solar Wind Conference, St Milo, France, 21-26 Jun 2009. Published in: AIP Conference Proceedings, Vol.1216 (No.1). pp. 483-486.
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Official URL: http://dx.doi.org/10.1063/1.3395908
Abstract
The Kelvin-Helmholtz (KH) instability can operate in various situations in the solar wind, but at the boundaries of planetary obstacles, for example the Earth's magnetopause, it is most amenable to investigation. Reliable estimates of wave characteristics are essential for comparison with theoretical and numerical models and for understanding the non-linear development of KH waves and their role in the plasma entry into the magnetosphere. After discussing their typical conditions of appearance in KH unstable domains at the magnetopause, both theoretically and observationally, we outline recent results of multi-spacecraft analysis with Cluster giving accurate, albeit spatially limited, determination of surface wave characteristics. Those characteristics (wavelength and propagation direction), close to the terminator on the nightside, are likely to be prescribed by the 3-D geometry and the bending of field lines developed by the KH waves, rather than by the magnitude and the direction of the magnetosheath or background flow. An unprecedented number of satellites provides now the opportunity to extend the analysis of source regions of KH waves and their domains of development.
| Item Type: | Conference Item (Paper) |
|---|---|
| Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
| Divisions: | Faculty of Science > Physics |
| Library of Congress Subject Headings (LCSH): | Magnetopause, Magnetosphere, Magnetohydrodynamic waves, Solar wind |
| Series Name: | AIP Conference Proceedings |
| Journal or Publication Title: | AIP Conference Proceedings |
| Publisher: | American Institute of Physics |
| ISBN: | 978-0-7354-0759-6 |
| ISSN: | 0094-243X |
| Editor: | Maksimovic, M and Issautier, K and MeyerVernet, N and Moncuquet, M and Pantellini, F |
| Date: | 25 March 2010 |
| Volume: | Vol.1216 |
| Number: | No.1 |
| Number of Pages: | 4 |
| Page Range: | pp. 483-486 |
| Identification Number: | 10.1063/1.3395908 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Conference Paper Type: | Paper |
| Title of Event: | 12th International Solar Wind Conference |
| Type of Event: | Conference |
| Location of Event: | St Milo, France |
| Date(s) of Event: | 21-26 Jun 2009 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/5281 |
Data sourced from Thomson Reuters' Web of Knowledge
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