Large-Scale Flow Fields Beneath Major Solar Active Regions

Details Large-Scale Flow Fields Beneath Major Solar Active Regions Large-Scale Flow Fields Beneath Major Solar Active Regions

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agufmsh13a1143z&link_type=abstract

American Geophysical Union, Fall Meeting 2004, abstract #SH13A-1143

Physics

7522 Helioseismology

Scientific paper

By use of MDI dynamic campaign data and by employing time-distance helioseismology, we have continued our efforts to map synoptic flow charts in the solar interior to deeper depths, especially under some major active regions, such as AR9393 and AR10486. Two dimensional horizontal flow fields, as well as vorticity and kinetic helicity distributions, are presented for a few Carrington rotations. Flow fields, vorticity and kinetic helicity distributions are studied in more details under major solar active regions, in particular, before and after major solar flares. We try to identify connections between solar flares with these subsurface dynamical properties.

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