Physics
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsa12b0686g&link_type=abstract
American Geophysical Union, Fall Meeting 2001, abstract #SA12B-0686
Physics
2407 Auroral Ionosphere (2704), 2439 Ionospheric Irregularities
Scientific paper
We will present two investigations using our three-dimensional code for the structuring of high latitude plasma patches. We have extended our code to study the structuring of the full patch. All our earlier investigations have dealt with half the patch. With a constant drive, the patch begins structuring on only one side and nonlinearly the structuring penetrates the patch. The issue that we will address with this study is if the structuring will nonlinearly proceed to the stable side of the patch and to identify signatures of this structuring process, which can be seen in satellite data. The second investigation is to introduce realistic drive (both due to the electric field and the neutral wind). The patch convection would then be time-dependent and can also have the possibility of convecting in opposite directions thereby initiating structuring on both sides(leading as well as trailing edges) of the patch. We use data for the convection from MHD code simulations of real events to input into our structuring code.
David Marc
Gondarenko N. A.
Guzdar Parvez N.
Sojka Jan J.
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