Physics
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsm52b..04l&link_type=abstract
American Geophysical Union, Fall Meeting 2002, abstract #SM52B-04
Physics
2744 Magnetotail, 2784 Solar Wind/Magnetosphere Interactions, 2788 Storms And Substorms
Scientific paper
Global MHD simulations have proved very capable of representing the global interaction between the solar wind and the magnetosphere. Using the Lyon-Fedder-Mobarry model to simulate several storm and substorm events, we have noticed that the simulation often generates narrow flow channels in the magnetotail. These flow channels represent meso-scale dynamical features that may be related to the observered bursty bulk flows seen during substorms. During storm-like driving (magnetic cloud events) similar channels form in the magnetotail, even though the activity is directly-driven, as opposed to the loading-unloading process of substorm. In this paper we will examine various aspects of these flow channels during storm and substorm simulations and discuss how these features couple to the large-scale energy dissipation from the solar wind driver.
Hernandez Salvador
Lopez Robert E.
Lyon John G.
Wiltberger Michael J.
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