Thermal Ions in the Magnetosphere
The distribution and dynamics of thermal (∼ 1 eV) plasma are of fundamental importance for understanding many magnetospheric processes. Above the ionosphere the bulk of the thermal plasma is found in the plasmasphere, which displays varying characteristics in the different LT regions. These different characteristics are reviewed herein with specific interest placed on the H+ ion density profiles since the H+ ions are the main component of the plasmasphere. Plasmasphere dynamics and morphology can be explained in terms of a time varying convection model of the magnetosphere which incorporates the bulge region as part of the main flow pattern of the plasmasphere.
KeywordsFlux Tube Thermal Plasma Magnetic Activity Bulge Region Convection Electric Field
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