Physics
Scientific paper
Apr 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012georl..3907103w&link_type=abstract
Geophysical Research Letters, Volume 39, Issue 7, CiteID L07103
Physics
Ionosphere: Active Experiments, Ionosphere: Ionospheric Disturbances, Ionosphere: Ionospheric Dynamics, Ionosphere: Midlatitude Ionosphere, Ionosphere: Modeling And Forecasting
Scientific paper
Conjugate heating effects associated with the upcoming Arecibo heater facility are studied using the NRL ionosphere model SAMI2. A density-dependent, localized heating source is included in the electron temperature equation to model ionospheric radiowave heating. Heating effects are examined as a function of the heating timing and the peak density of the unmodified ionosphere (through the F10.7 index). The simulation results suggest that field-aligned duct formation occur during periods of relatively low electron densities (e.g., during the night). The enhancement of the electron temperature and electron density in the conjugate topside ionosphere (∼500 km) could reach respective values of ∼5% and 25%. Heating losses associated with inelastic electron-neutral (N2) collisions primarily inhibit conjugate effects.
Bernhardt Paul A.
Huba Joseph D.
Joyce Geoffrey
Wu Tsai-Wan
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