Physics
Scientific paper
Dec 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003agufmsa21b0073g&link_type=abstract
American Geophysical Union, Fall Meeting 2003, abstract #SA21B-0073
Physics
2407 Auroral Ionosphere (2704), 2439 Ionospheric Irregularities
Scientific paper
Results from three-dimensional (3D) nonlinear simulations for investigating density and velocity structuring of high latitude plasma patches will be presented. The high-resolution data from these simulations obtained with our parallel 3D finite difference code, has a dynamic range that allows us to make detailed comparisons with observed spectra for the density and velocity fluctuations. These results are compared with data from our earlier simulations as well as with those from DE/DMSP satellites. TEC plots similar to ones for real data have been constructed to compare with observations. Also statistical comparisons to produce histograms of characteristics of leading and trailing edges of the patch to compare with the work of Cooley and Heelis have been performed. The present model shows very good agreement with observations thereby providing a first principle understanding of the cause of the observed structuring in high latitude patches.
David Marc
Gondarenko N. A.
Guzdar Parvez N.
Pedersen Todd. R.
Sojka Jan J.
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