Physics
Scientific paper
Sep 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980svphu.132..123m&link_type=abstract
(Uspekhi Fizicheskikh Nauk, vol. 132, Sept. 1980, p. 123-167.) Soviet Physics - Uspekhi, vol. 23, Sept. 1980, p. 594-619. Trans
Physics
2
Hydrodynamics, Solar Atmosphere, Solar Cycles, Solar Physics, Solar Rotation, Chromosphere, Coronal Holes, Faculae, Magnetohydrodynamics, Photosphere, Solar Corona, Solar Flares, Solar Interior, Solar Magnetic Field, Solar Prominences, Solar Radiation, Solar Wind
Scientific paper
A review of studies (1960's-1970's) on solar global hydrodynamics is presented, the main areas discussed being differential rotation and generation of the 11-year solar cycle, which seem to be related. A summary of current knowledge about the sun is given, including dimensions, rotation, radiation, solar atmosphere, and solar interior (neutrinos, convection zone). Solar atmospheric inhomogeneities with relatively short lifetimes are discussed, the most important perturbations being spots, faculae, chromospheric flares, prominences, and coronal streamers and holes. Data on solar rotation are reviewed: Solar differential rotation is accompanied by the expenditure of energy to overcome the viscous forces, and without some mechanism which would replenish this energy, the angular rotation velocities, at various heliographic latitudes, would become equal after a few solar rotations. It is thought that the replenishment mechanism is the meridional and radial transport of angular momentum in the convection zone by giant convection cells and of the parameterized turbulent viscosity. Familiar and undisputed effects of the 11-yr solar cycle include auroras, and magnetic storms. Less familiar effects include variations in the level of atmospheric radioactive carbon, and correlations between solar activity and earth climatic variations.
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