Evidence of active region imprints on the solar wind structure
- Conference date: 25-30 Jun 1995
- Location: Dana Point, California (USA)
A common descriptive framework for discussing the solar wind structure in the inner heliosphere uses the global magnetic field as a reference: low density, high velocity solar wind emanates from open magnetic fields, with high density, low speed solar wind flowing outward near the current sheet. In this picture, active regions, underlying closed magnetic field structures in the streamer belt, leave little or no imprint on the solar wind. We present evidence from interplanetary scintillation measurements of the ‘disturbance factor’ that active regions play a role in modulating the solar wind and possibly contribute to the solar wind mass output. Hence we find that the traditional view of the solar wind, though useful in understanding many features of solar wind structure, is oversimplified and neglects important aspects of solar wind dynamics.
- Solar wind
- Magnetic fields
- Solar magnetic fields
- Interplanetary magnetic fields
- Sheet flows
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