D. Predictions on the Velocity Field Coming from Acoustic Noise and a Generalized Turbulence in a Layer Overlaying a Convectively Unstable Atmospheric Region

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Abstract
The rapid increase of temperature with altitude in the Sun's atmosphere (chromosphere and corona) is believed to be due to turbulence in the lower photosphere generating mechanical waves, whose amplitude increases on propagation into rarefied regions, where their energy can be progressively dissipated into heat. Here, I review the waves that are possible under the combined influences of compressibility, gravity and the magnetic field, and study the efficiency of their generation and the linear and non-linear mechanisms available for their dissipation.

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