Other
Scientific paper
May 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agusm..sm31a08s&link_type=abstract
American Geophysical Union, Spring Meeting 2001, abstract #SM31A-08
Other
2724 Magnetopause, Cusp, And Boundary Layers, 2740 Magnetospheric Configuration And Dynamics, 2753 Numerical Modeling, 7835 Magnetic Reconnection
Scientific paper
This talk covers flow-through reconnection, FTR, for the case of southward IMF as revealed in global magnetospheric MHD simulations. For the southward IMF case FTR occurs when the dipole is tilted relative to the solar wind flow direction such that the reconnection point is not a stagnation point. Then the reconnection point appears just windward of the winter-hemisphere dayside cusp. It is as if the reconnection point were blown there by the magnetosheath flow and the cusp acts as a barrier to stop its windward movement. The resulting electrodynamic situation that develops is the same as for the northward IMF case. A long, narrow tongue of very weak field develops within which the dissipation electric field exceeds the motional electric field. This situation allows the plasma to flow tailward through the reconnection point while the magnetic field flows (as measure by the Poynting vector) sunward on one side of the reconnection point and tailward on the other. We will show how FTR varies with the degree of dipole tilt.
Erickson Gary M.
Maynard Nelson C.
Schoendorf Jacqueline A.
Siebert Keith D.
Siscoe George L.
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