Observations of a possible ground signature of flux transfer events

Details Observations of a possible ground signature of flux transfer events Observations of a possible ground signature of flux transfer events

May 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985jgr....90.4069g&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 90, May 1, 1985, p. 4069-4078. Research supported by the Max-Planck-Gesel

Physics

119

Earth Magnetosphere, Geomagnetic Tail, Magnetic Signatures, Boundary Layer Plasmas, Convective Flow, Electric Fields, Geos 2 Satellite, Magnetic Field Configurations, Magnetic Flux, Magnetopause, Radial Flow, Solar Wind

Scientific paper

Questions regarding the mechanism by which the large-scale cross-tail electric field and associated convection in the magnetosphere is maintained have not yet been completely answered. According to Dungey (1961), the boundary layer (BL) inside the magnetopause (MP) in which the tailward transport of mass, momentum, and magnetic flux takes place can be produced by reconnection. Observations made with the aid of the ISEE spacecraft show that reconnection can occur both in a quasisteady form and in a more unsteady form known under the name 'flux transfer event' (FTE). The present investigation proposes observation of the ground signature of an FTE. It is pointed out that the STARE radar system has the potential for making observations pertinent to identifying and studying the ionospheric signatures of FTE's. An analysis is conducted of two periods during which the convective boundary (CB) moved into the STARE field of view. The significance of the observations is discussed.

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