Simulations of magnetic-flux transport in solar active regions

Details Simulations of magnetic-flux transport in solar active regions Simulations of magnetic-flux transport in solar active regions

Dec 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985soph..102...41d&link_type=abstract

Solar Physics (ISSN 0038-0938), vol. 102, no. 1-2, Dec. 1985, p. 41-49.

Physics

19

Magnetic Flux, Photosphere, Solar Activity, Transport Properties, Angular Velocity, Diffusion Theory, Flow Velocity, Meridional Flow

Scientific paper

The evolution of several observed solar active regions is simulated by solving a transport equation for magnetic flux at the photosphere. The rates of rotation, meridional flow, and diffusion of the flux are determined self-consistently in the calculations. The findings are in good quantitative agreement with previous measures of the rotation rate and diffusion constant associated with photospheric magnetic fields. Although the meridional velocities are consistent in direction and magnitude with recently reported poleward flows, relatively large uncertainties in the velocity determinations make this result inconclusive.

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