Coupled Model of the Magnetosphere/Ionosphere System

Details Coupled Model of the Magnetosphere/Ionosphere System Coupled Model of the Magnetosphere/Ionosphere System

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003agufmsm22a0233j&link_type=abstract

American Geophysical Union, Fall Meeting 2003, abstract #SM22A-0233

Physics

Space Physics

2411 Electric Fields (2712), 2475 Polar Cap Ionosphere, 2736 Magnetosphere/Ionosphere Interactions, 2753 Numerical Modeling

Scientific paper

A major issue in space physics is understanding and quantifying the dynamics of a coupled magnetosphere-ionosphere system. The Naval Research Laboratory is now developing a self-consistent model of the magnetosphere and ionosphere. The two models to be coupled are the LFM magnetosphere model and the SAMI3HL ionosphere model. SAMI3HL is a recently developed high latitude ionosphere model based on the NRL SAMI3 low- to mid-latitude model. SAMI3HL is a fully parallelized 3D ionosphere model that uses a fixed, nonorthogonal grid. The two models will be coupled electrodynamically via the field-aligned currents and the polar cap convection potential. A precipitation model will also be developed to provide a self-consistent ionization source for the high latitude ionosphere model. We will discuss the details of these models, how they will be coupled, and present preliminary results.
Research supported by ONR.

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