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			 **   THE GEM MESSENGER   **
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						     Volume 6, Number 33
						     June 17, 1996

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Tail Substorm WG#2 Agenda for Snowmass Meeting
TAIL/SUBSTORM CAMPAIGN Working Group #2
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Co-chairs:  Terry Onsager (onsager at gus.sel.noaa.gov)
            Harlan Spence (spence at bu.edu)

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THURSDAY, 27 JUNE

10:30 - 12:00 Fluid and Particle Aspects of Magnetotail Convection

        James Harold:   Particle effects in Current Sheets
        Michael Hesse:  Signatures of Thin Current Sheets
        Terry Onsager:  Particle vs. Fluid Treatment of the Mantle
        Michelle Thomsen: Evidence for Reconnection and Turbulence in the
                        Plasma Sheet
        Harlan Spence:  Plasma Sheet Sources Convection
        Dick Wolf: Does Chaos Alter the Ensemble Averaged Drift Equations?

1:15 -  3:15 (Joint with Working Group #3)
        WG#3 Theme: Mass Exchange with Electrodynamic Coupling between the
                    Ionosphere and Magnetosphere
                        - Observational constraints and ideas for empirical
                                approaches  (M. Temerin)
                        - First principles approach to coupling large-scale
                                ionospheric and magnetospheric simulation
                                models (J. Sojka)

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 FRIDAY, 28 JUNE


8:00 -   9:30   Tail/Substorm Plenary Session

         WG#2 Tutorial: GEOTAIL results on storm and substorm
                        signatures in the tail (R. Nakamura)


11:00 - 12:15   Substorm Triggers: Fact, Fiction, or Fantasy?

        Amitava Bhattacharjee: Ballooning Instability in the Magnetotail
        Shin Ohtani: Particle Signatures Before Dipolarization Onset
        Mike Henderson: Substorms With No Solar Wind Trigger
        Tony Lui: Observational Tests for Internal Triggers
        Larry Lyons: Solar Wind Triggers

1:30 -  3:00    Model/Data Comparisons

        Ken Nishikawa:  3D Particle Simulations
        Jimmy Raeder: MHD Simulations
        Geoff Reeves: Tsyganenko Fields at Geosynchronous Orbit
        Frank Toffoletto: Toffoletto, Hill, and Ding Model.
        Robert Winglee:  MHD Simulations and Comparisons with WIND and GEOTAIL
        Dick Wolf: Rice Convection Model

3:25 -   3:45   Working Group 2 Summary Session; Interim Tasks

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Harlan E. Spence
Asst. Professor of Astronomy
Center for Space Physics and Department of Astronomy
College of Liberal Arts and Graduate School of Arts and Sciences
Boston University
725 Commonwealth Avenue
Boston, MA  02215
Ph:     (617) 353-7412
Fax:    (617) 353-6463
e-mail:  spence at bu.edu
WWW:     http://bu-ast.bu.edu/people/spence.html
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