Physics
Scientific paper
Dec 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981ssrv...29..357d&link_type=abstract
(Schweizerische Naturforschende Gesellschaft and Eidgenoessische Technische Hochschule Zuerich, Conference on Solar Physics from
Physics
1
Astronomical Models, Atmospheric Heating, Chromosphere, Hydrodynamics, Solar Atmosphere, Solar Granulation, Dynamic Characteristics, Gravitational Waves, High Resolution, Photosphere, Radiative Transfer, Solar Magnetic Field
Scientific paper
Several current chromospheric models are reviewed and shown to be inadequate in their description of the dynamical effects of the chromosphere. The lack of a suitable model is due to an insufficient understanding of the physical processes responsible for the formation of the chromosphere. These include hydrodynamic motions such as granulation and supergranulation, oscillations, and unresolved motions, which are probably contributed by short-period acoustic waves. These short-period waves can create a chromospheric temperature rise, and may also affect other dynamics. Gouttebroze and Leibacher (1980) proposed a good nonlinear dynamical calculation model; it did not, however, account for the coupling between the long-period waves and the short-period waves that heat the chromosphere. Finally, problems in measuring the supergranulation in the chromosphere are described, and the need for high resolution chromospheric observations over extended periods of time is discussed.
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