A new dynamic fluid-kinetic model for plasma transport within the plasmaspheric plume

Details A new dynamic fluid-kinetic model for plasma transport within the plasmaspheric plume A new dynamic fluid-kinetic model for plasma transport within the plasmaspheric plume

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsm31a2089w&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SM31A-2089

Physics

[2768] Magnetospheric Physics / Plasmasphere

Scientific paper

A new dynamic fluid-kinetic (DyFk) model is proposed and developed for investigating the plasma transport from the plasmasphere to the dayside magnetopause through the plasmaspheric plume. This model treats a closed flux tube in a local sense, in contrast to the global sense. The flux tube is allowed to move both radially from near the Earth to the magnetopause, which may result in expansion in its volume, and azimuthally around the Earth. Plasma may flow along the flux tube. The numerical simulation model couples a truncated version of the field line interhemispheric plasma (FLIP) model at altitudes below 800 km and a generalized semi-kinetic (GSK) model above it with an overlapped boundary region in each of the hemispheres. A self-consistently treatment of the ionospheric losses and production with possible heat sinks couples to a kinetic treatment of the multiple ion species (O+/ H+/ He+) and electrons in the plasmasphere. This model includes the effects of the convection of the plasmaspheric flux tube, parallel electric field, magnetic mirror force, centrifugal force, changing ionospheric conditions, Coulomb and ion-neutral collisions, and anisotropic temperatures, as well as the wave-particle interaction. The preliminary simulation results of the multi-species ion transport within a plasmaspheric plume will be presented.

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