Physics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsa23b1469r&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #SA23B-1469
Physics
[2411] Ionosphere / Electric Fields, [2415] Ionosphere / Equatorial Ionosphere, [7924] Space Weather / Forecasting, [7954] Space Weather / Magnetic Storms
Scientific paper
Tsyganenko et al. [2003] have developed empirical models (labeled here as TR1, TR2) for the Region-1 (R1) and Region-2 (R2) currents. These models offer the advantage of being analytically simple and solar-wind driven. A study will be performed that uses the TR1 and TR2 models as inputs into our SWAGE (Solar Wind Acting on the Geophysical Environment) model that determines the global ionospheric electric field. Comparisons will be made between the Tsyganenko approach and that derived from the Hill-Siscoe model. Both models will be used as inputs into a global ionospheric potential solver with the resulting equatorial electric fields being compared with those measured via the vertical drift at Jicamarca. It is anticipated that such an approach will lead to an improved, solar-wind dependent , empirical model for R1 and, possibly, for R2 that will be useful as near-term forecast tool.
Jasperse John R.
Rothwell Paul L.
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