HR: 08:35h
AN: SM11B-03 INVITED     [Abstracts]
TI: The Coupled Response of the Inner Magnetosphere to Substorms and Magnetic Storms as Seen by IMAGE and Other Magnetospheric Spacecraft
AU: * Burch, J L
EM: jburch@swri.edu
AF: Southwest Research Institute, P.O. Drawer 28510, San Antonio, TX 78228-0510 United States
AB: Imaging of plasmas and energetic particles throughout the inner magnetosphere along with auroral imaging has revealed new aspects of magnetosphere-ionosphere coupling as well as coupling among different magnetospheric plasma populations. Plasmasphere plumes have been shown to map to the ionosphere where they produce unexpectedly strong space weather effects. Where the plumes intersect the ring current, they have been shown to produce ion precipitation that produces detached proton auroral arcs in the afternoon sector. A significant lag in plasmasphere corotations has been shown to result from auroral heating of the upper atmosphere and the resulting ionospheric disturbance dynamo. These and other strong coupling phenomena, most of which depended uniquely upon magnetospheric imaging for their identification, will be discussed.
DE: 2712 Electric fields (2411)
DE: 2730 Magnetosphere--inner
DE: 2736 Magnetosphere/ionosphere interactions
DE: 2760 Plasma convection
DE: 2788 Storms and substorms
SC: SPA-Magnetospheric Physics [SM]
MN: 2004 AGU Fall Meeting