A model for the dynamics of the deep photosphere

Details A model for the dynamics of the deep photosphere A model for the dynamics of the deep photosphere

Nov 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984esasp.220..203n&link_type=abstract

In ESA The Hydromagnetics of the Sun p 203-204 (SEE N85-25091 14-92)

Physics

Atmospheric Models, Atmospheric Stratification, Photosphere, Solar Atmosphere, Convection, Solar Spectra, Spectrograms

Scientific paper

The small-scale vertical and horizontal velocities of different layers in the solar atmosphere were measured using spectrograms with absorption lines of different strength. A model of the vertical and horizontal velocities was obtained with the method of velocity weighting functions. The vertical and horizontal velocities of convective origin decrease up to a height of 150 km and 200 km respectively. Above this level they increase with different slope. The results infer the existence of a secondary velocity field at higher photospheric levels induced by convective motions.

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