Interplanetary disturbances produced by a simulated solar flare and equatorially-fluctuating heliospheric current sheet |
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| Authors: | G Gislason M Dryer Z K Smith S T Wu S M Han |
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| Institution: | (1) Department of Mathematical Sciences and Geophysical Institute, University of Alaska, Fairbanks, Alaska, USA;(2) Space Environment Laboratory, NOAA/ERL, Boulder, Colo., USA;(3) University of Alabama in Huntsville, Ala., USA;(4) Tennessee Technological University, Cookeville, Tenn., USA |
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| Abstract: | A recently developed nonplanar, time-dependent magnetohydrodynamic (MHD) model (Wuet al., 1983) was used to study the interplanetary disturbances produced by a compound event in the heliosphere. That is, a steady-state interplanetary medium is first disturbed by a simulated equatorially-fluctuating current sheet. After a few days (100 hr), the disturbed interplanetary medium is again perturbed by a solar-flare-generated shock wave. Attention is directed toward the differences that are caused by the presence of the equatorially-fluctuating (warped) current sheet. |
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