A comparison of global numerical simulation results to data for the January 27-28, 1992, Geospace Environment Modeling challenge event

Details A comparison of global numerical simulation results to data for the January 27-28, 1992, Geospace Environment Modeling challenge event A comparison of global numerical simulation results to data for the January 27-28, 1992, Geospace Environment Modeling challenge event

Jul 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998jgr...10314799f&link_type=abstract

Journal of Geophysical Research, Volume 103, Issue A7, p. 14799-14810

Physics

25

Ionosphere: Plasma Convection, Magnetospheric Physics: Magnetospheric Configuration And Dynamics, Magnetospheric Physics: Plasma Convection, Magnetospheric Physics: Solar Wind/Magnetosphere Interactions

Scientific paper

A magnetohydrodynamic (MHD) numerical simulation model is used to study the magnetospheric state during the Geospace Environment Modeling (GEM) challenge period on January 27-28, 1992. Direct comparisons are made between the simulation results and the GEM Program data as summarized in the synoptic maps. The features we concentrate on are the cross-polar convection measurements and the ionospheric projection of magnetospheric boundaries. The results show good agreement at times and locations and poor agreement at other times. All in all, the results are rather mixed. We discuss the results and what they might mean for the accuracy of both the simulations and the synoptic maps. Moreover, we relate the results to other previous research on the cross-polar potential and draw guidance for future work.

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