Physics – Plasma Physics
Scientific paper
Nov 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008georl..3521104r&link_type=abstract
Geophysical Research Letters, Volume 35, Issue 21, CiteID L21104
Physics
Plasma Physics
2
Magnetospheric Physics: Solar Wind/Magnetosphere Interactions, Magnetospheric Physics: Magnetic Reconnection (7526, 7835), Magnetospheric Physics: Magnetopause And Boundary Layers, Space Plasma Physics: Transport Processes, Space Weather: General Or Miscellaneous
Scientific paper
The local energy conversion across the magnetopause has been estimated with Cluster for two magnetopause crossings. A load region, conversion from magnetic to particle energy, was identified on the dayside high-latitude magnetopause during south/dawnward IMF. Another crossing of the dawn flank magnetotail during dominantly duskward IMF was identified as a generator region where the magnetosphere is loaded with magnetic energy. The observations have been compared to results of the BATS-R-US global MHD simulation based on observed IMF conditions. BATS-R-US reproduced the magnetopause regions crossed by Cluster as a load and a generator region, correspondingly. The magnitude of the estimated energy conversion from Cluster and the model are in quite good agreement. BATS-R-US cannot reproduce the observed sharp magnetopause and some topological differences between the observations and the model occur.
Buchert Stephan
Dandouras Iannis
Opgenoorth Hermann J.
Rastaetter Lutz
Rosenqvist Lisa
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