Mathematics – Logic
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsm51a0506z&link_type=abstract
American Geophysical Union, Fall Meeting 2002, abstract #SM51A-0506
Mathematics
Logic
2483 Wave/Particle Interactions, 2720 Energetic Particles, Trapped, 2730 Magnetosphere: Inner, 2753 Numerical Modeling
Scientific paper
In this presentation, the effects of wave-particle interactions on radiation belt development will be investigated. The tool of this investigation is the kinetic Radiation Belt model that solves the convection-diffusion equation of plasma distributions in the 10keV to MeV range, with the addition of a plasmasphere model and a diffusion coefficient model. The boundary condtions of the Radiation Belt model are driven by solar wind and IMF. The purpose of the plasmasphere model is to provide the density profile of the cold core plasma, which is used in the diffusion coefficient model for calculating the diffusion coefficients of different types of wave-particle interactions. Therefore the effects of wave-particle interactions on the development of the Radiation Belt can be incorporated and modeled in a more realistic fashion. We will present the model logic and the model validation by comparing measured particle fluxes with the model calculations for several magnetic storms. We hope, through this modeling effort, that the comparison study will shed light on the evolution of the Radiation Belt and on the contribution of different physical processes involved, particularly wave-particle interactions.
Fok M.-
Gallagher Dennis L.
Khazanov George V.
Ober Daniel M.
Zheng Yuanlin
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