Physics
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsm31b1877c&link_type=abstract
American Geophysical Union, Fall Meeting 2010, abstract #SM31B-1877
Physics
[2722] Magnetospheric Physics / Forecasting, [2731] Magnetospheric Physics / Magnetosphere: Outer, [7954] Space Weather / Magnetic Storms
Scientific paper
A low-dimensional solar wind-magnetosphere-ionosphere physics model is developed for the interacing dynamics of the bow shock, Chapman-Ferraro, dayside R1 and R2 current loops and voltages. The solar wind driver consists of the dynamic pressure which moves the magnetopause and the dynamo electric fields. Reconnection is included through the use of the rectified solar wind dynamo voltages. A projection of the partial differential equations on to a six (d=6) dimensional manifold is derived. The coupled nonlinear dynamics of the six energy reservoirs leads to complex weather-like dynamics. The model predicts the motion of the magnetopause, R1 and R2 current loops and the upper auroral geomagnetic index called AU. The model gives a description of the positive pulse of the Dst index that defines the sudden commencement. We do not attemptted to optimize the parameters of the model in this work, but rather give suitable parameters for the GEM storm 3-6 October 2006. Research supported by NSF AGS 0964692
Correa C. E.
Horton Wendell
Mays Leila M.
Patra Sudhanwa
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