Physics
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsm32b..02s&link_type=abstract
American Geophysical Union, Fall Meeting 2001, abstract #SM32B-02
Physics
2740 Magnetospheric Configuration And Dynamics, 2760 Plasma Convection, 7839 Nonlinear Phenomena, 7859 Transport Processes, 7863 Turbulence
Scientific paper
Magnetic field reconnection rates and magnetotail magnetic flux and plasma transport rates have been calculated for different states of solar wind-magnetosphere coupling. The algorithm that quantifies the reconnection rates combines the location, orientation and rate of displacement of the polar cap boundary, identified from POLAR images, with a model of high latitude plasma convection determined with SuperDarn and Sondrestrom radars. The magnitude and rate of change of the reconnection potential determined with this algorithm is compared with the convection potential to establish a threshold that separates the substorm transport rate in the magnetotail from convection bay and storm transport rates. Simultaneous ionospheric convection and Geotail plasma, magnetic field and electric field measurements near the tail axis suggest a positive correlation among the magnitude and rate of ocurrence of bursty bulk flows, the magnitude of nightside reconnection rate, and the local time extent of the reconnection region.
Doe Richard A.
Fox Nicole
Liou Kan
Sanchez Ennio R.
Shepherd S.
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