Physics
Scientific paper
May 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agusmsp33a..02b&link_type=abstract
American Geophysical Union, Spring Meeting 2008, abstract #SP33A-02
Physics
7524 Magnetic Fields, 7529 Photosphere
Scientific paper
Magnetic fields in the photosphere of the Sun span sizes from large sunspot active regions on the order of 50 Mm down to the smallest observable magnetic elements 100 km or less in diameter. The generation of these fields in the convection zone and their subsequent interactions with photospheric flowfields are responsible for the majority of observed solar variability over a large range of time and wavelength scales. Professor Parker's research has encompassed this range and shed light on the origins of large scale active regions, the structure and dynamics of sunspots, and the implications of the highly dynamic interactions of magnetic elements with the convective flowfield. We review the contributions of Prof. Parker to these topics in the light of recent observations from both ground-based and space-based telescopes and point out issues of continuing controversy that require further theoretical and observational exploration.
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