Computer Science
Scientific paper
Aug 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979esasp.148...67g&link_type=abstract
In ESA Magnetospheric Boundary Layers p 67-72 (SEE N80-13529 04-42)
Computer Science
Magnetic Field Configurations, Magnetic Signatures, Magnetopause, Magnetospheric Instability, Electric Field Strength, Energy Dissipation, Geos 2 Satellite, Magnetosheath
Scientific paper
The magnetopause was observed near the geostationary orbit on the GEOS 2 satellite. Quasi-static electric and magnetic field observations provided information for different local times; one event in particular, on August 28, 1978, provided a unique opportunity when GEOS 2 travelled near the magnetopause for several hours. The electric field has a component in the direction of the magnetopause current during most crossings; the resulting power dissipation is of the order of 100 W/km sq. This implies that field line reconnection must be effective during this time. The derived electric field drift is found to have a component towards the magnetopause on the magnetospheric and magnetosheath sides. The electric field is probably due to the existence of a polarization layer generated by the penetration of magnetosheath ions into the magnetosphere.
Grard Rejean
Mariani Franco
Pedersen Andreas
Signorini Carla
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