Physics
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsa51e..03d&link_type=abstract
American Geophysical Union, Fall Meeting 2011, abstract #SA51E-03
Physics
[2431] Ionosphere / Ionosphere/Magnetosphere Interactions, [2706] Magnetospheric Physics / Cusp, [2716] Magnetospheric Physics / Energetic Particles: Precipitating, [3369] Atmospheric Processes / Thermospheric Dynamics
Scientific paper
CHAMP observations often show thermospheric density enhancements in the cusp region, which require a persistent heating system to maintain them. Due to the limitation of the observations, the heating mechanism has not been confirmed and no conclusive explanation for the neutral density enhancement has been offered. To explain the neutral density enhancement in the cusp, the impact of different heating mechanisms including Poynting flux, soft electron and proton particle precipitations on the neutral density will be simulated in GCMs. The dependence on the characteristic energy of the particles will be analyzed and the simulations with different spatial resolutions will be compared as well.
Deng Youjin
Fuller-Rowell Tim J.
Knipp Delores J.
Ridley Aaron J.
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