Physics
Scientific paper
Dec 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003agufmsm11a..03a&link_type=abstract
American Geophysical Union, Fall Meeting 2003, abstract #SM11A-03
Physics
7509 Corona, 7513 Coronal Mass Ejections
Scientific paper
We report on our efforts to incorporate high cadence vector magnetic field measurements of the CME and flare producing active region NOAA 8210 (observed from April 28 to May 2 1998) into the photospheric boundary layers of our 3D MHD models of the solar atmosphere. We find that it is is essential to be able to specify an initial model atmosphere that is both consistent with soft X-ray observations of the corona and with observed vector magnetic field measurements at the photosphere. Further, MHD codes require that certain components of the flowfield be specified at the lower boundary in such a way as to self-consistently update the model photosphere between each successive magnetogram. We will present the results of our application of several techniques to infer the velocity field of magnetized plasma in the photosphere using a time-series of IVM vector magnetograms of NOAA 8210, and will present the results from our latest attempt to model this complex active region.
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