Physics
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsa41b1721d&link_type=abstract
American Geophysical Union, Fall Meeting 2010, abstract #SA41B-1721
Physics
[7949] Space Weather / Ionospheric Storms, [7954] Space Weather / Magnetic Storms, [7959] Space Weather / Models
Scientific paper
The plasmasphere region serves to control the wave-particle interactions within the inner magnetosphere, which is an important energy transfer mechanism between the radiation belts and the ring current plasmas. The ionospheric electric field balanced with the corotation drives the convection within the plasmasphere, such that during weak driving, the plasmasphere has a strong tear-drop shape. When the driving increases, a drainage plume forms on the dayside and the nightside is severely depleted. The timing of this dynamical process is under debate. To model this region, the Dynamic Global Core Plasma Model (DGCPM) has been coupled to the Ridley Ionosphere Model (RIM) within the Space Weather Modeling Framework (SWMF). This poster will demonstrate comparisons between the coupled DGCPM-RIM model and the IMAGE EUV instrument during a quiet time stable plasmasphere as well as select storm events. We will specifically compare and contrast the timing of interplanetary magnetic field changes, ionospheric potential changes and the plasmaspheric response.
Dodger A. M.
Ridley Aaron J.
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