The Reconnecting Magnetosphere
For present purposes the terms closed and open magnetosphere are defined as follows: In the former, the net magnetic flux crossing any substantial portion of the magneto-pause is too small to generate any magnetospheric dynamo effect of consequence. In the latter the net crossing flux is sufficient to account directly for such observed effects. Open models require field reconnection, closed ones do not. In ideal closed models no flux whatsoever crosses the magnetopause. In ideal open ones the crossing magnetic flux points consistently outward in one magnetopause region, inward in another. In reality, substantial deviations from these ideal conditions are expected.
KeywordsPlasma Sheet Diffusion Region Reconnection Rate Closed Field Line Inflow Region
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