Timing between particle injections at the geostationary orbit and particle flux decreases in the distant geomagnetic tail during substorms

Details Timing between particle injections at the geostationary orbit and particle flux decreases in the distant geomagnetic tail during substorms Timing between particle injections at the geostationary orbit and particle flux decreases in the distant geomagnetic tail during substorms

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984esasp.217..181s&link_type=abstract

In ESA Achievements of the Intern. Magnetospheric Study (IMS) p 181-185 (SEE N85-24544 14-46)

Other

Geomagnetic Tail, Geosynchronous Orbits, Ion Injection, Magnetic Storms, Particle Flux Density, Geos 2 Satellite, International Sun Earth Explorer 1, International Sun Earth Explorer 2, Magnetoplasmadynamics, Thermal Plasmas

Scientific paper

A multisatellite study was conducted on the temporal relationship between energetic particle injections observed at the geostationary orbit onboard GEOS-2, and decreases of thermal plasma sheet particle fluxes observed in the more distant geomagnetic tail onboard ISEE-1 and 2. A case by case analysis and a statistical study of 100 events show that particle injection and particle flux decrease are detected to within 5 min of each other, for an average intersatellite distance of 15.7 RE. The observed spread in delta corresponds best to Alfven wave transit times. These particle phenomena are observed at the onset of the auroral zone magnetic bays. The results suggest that the dynamics of the inner and outer boundaries of the plasma sheet are closely related to each other and controlled by large scale processes that develop at substorm onset inside the magnetospheric tail and result in a crosstail current disruption.

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