THE INNER MAGNETOSPHERE - A REVIEW

This paper addresses research achievements during roughly the period 1 991-1993 pertaining to the inner magnetosphere including the radiation belts, plasmasphere, and ring current region. It also addresses issue s concerning the magnetic fields, electrical currents, and particle pr ecipitation properties that relate to this region of the solar-terrest rial system. Recent analysis and modeling of magnetospheric substorms and geomagnetic storms affecting the inner edge of the plasma sheet ar e discussed and the regions from the geostationary orbit inward toward the Earth are examined in light of new observational and theoretical tools.