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			 **   THE GEM MESSENGER   **
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						     Volume 14, Number 28
						     June 3, 2004

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Call for Participation: Inner Magnetosphere/Storms Campaign
Session on "Analysis of e- PSDs during storms" at the GEM 2004 Workshop, Snowmass, CO, June 21-25
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From: Janet Green <Janet.Green@noaa.gov>
      Reiner Friedel <friedel@lanl.gov>

IM/S: WG-2 session on:  Analysis of e- PSDs during storms

The variation of relativistic electron fluxes in the inner magnetosphere
has received a lot of attention in recent years with the availability of
many observations from platforms such as LANL geosynchronous, LANL GPS,
Polar, Scatha, CRRES and HEO.  In order to assess the dynamics in a global
sense throughout the inner magnetosphere the data has to be interpreted in
terms of the Phase Space Density (PSD) at constant adiabatic invariants -
which may allow us to identify regions of acceleration and loss processes.

This process that has always suffered from our dependence on magnetic 
field models to calculate the PSD at constant invariants.  This session is
dedicated to reviewing and discussing our current state of knowledge of 
e- PSDs during storms, together with the closely linked state of our 
knowledge of the dynamic magnetic field during storms.  We invite both 
data contributions of PSD analysis work during storms and of modeling 
efforts aimed at providing higher fidelity dynamic magnetic fields during
storms.

Those interested in giving a presentation are encouraged to contact 
either/both of the session chairs listed above. 

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