HR: 10:50h
AN: SM22B-03    [Abstracts]
TI: CLUSTER measurements of energetic electron bursts in the context of global multispacecraft observations: The telescope-microscope combination
AU: * Baker, D N
EM: daniel.baker@lasp.colorado.edu
AF: LASP/Univ. of Colorado, 1234 Innovation Drive, Boulder, CO 80303-7814 United States
AU: Farr, N L
EM: Nathan.Farr@lasp.colorado.edu
AF: LASP/Univ. of Colorado, 1234 Innovation Drive, Boulder, CO 80303-7814 United States
AU: Green, J C
EM: Janet.Green@lasp.colorado.edu
AF: LASP/Univ. of Colorado, 1234 Innovation Drive, Boulder, CO 80303-7814 United States
AU: Monk, S P
EM: Steve.Monk@lasp.colorado.edu
AF: LASP/Univ. of Colorado, 1234 Innovation Drive, Boulder, CO 80303-7814 United States
AU: Fritz, T A
EM: fritz@bu.edu
AF: Boston University, 725 Commonwealth Avenue, Boston, MA 02215 United States
AB: The space research community has long sought the capability to view the Sun-Earth system in a global way and concurrently to probe the microphysical details of key physical regions. This objective has now been substantially realized with the use of the CLUSTER and IMAGE missions in combination with ACE, FAST, POLAR, and geostationary orbit spacecraft. Using such multispacecraft data with appropriate radial positioning, there is a powerful ability to apply both `telescopic' and `microscopic' principles. Many recent examples from the 2001, 2002 and 2003 CLUSTER tail seasons serve to illustrate the observational power of these new tools. In the case of the 31 March 2001 superstorm, we observed a strong geomagnetic storm and saw a powerful compression of the magnetosphere and a concomitant particle injection event. In another event on 27 August 2001, CLUSTER observed a clear substorm sequence of events in the mid-magnetotail region (X~-19RE) while the other spacecraft in the constellation saw the near-Earth substorm consequences. In these examples, CLUSTER data revealed microphysical details while IMAGE and other spacecraft showed the global, macroscopic substorm context. We present in this paper our analyses of several substorm events (analogous to the 27 August 2001 case) in order to understand the radial propagation of substorm expansion phase processes.
DE: 2744 Magnetotail
DE: 2748 Magnetotail boundary layers
DE: 2764 Plasma sheet
DE: 2784 Solar wind/magnetosphere interactions
DE: 2788 Storms and substorms
SC: SPA-Magnetospheric Physics [SM]
MN: 2004 AGU Fall Meeting