5 Solar spectral irradiance

The interaction of solar radiation with the atmosphere is fundamental in determining its temperature structure and in controlling many of the chemical processes which take place there. This section outlines the role of solar UV radiation in determining the budget of stratospheric ozone and discusses how the composition and thermodynamic structure of the stratosphere are modulated by solar variability. It goes on to consider how perturbations to the stratosphere may impact solar radiative forcing of tropospheric climate.

 5.1 Absorption of solar spectral radiation by the atmosphere
 5.2 Variability of solar spectral irradiance and heating rates
 5.3 Stratospheric photochemistry
 5.4 Solar cycle signal in stratospheric ozone
 5.5 Impact of the stratosphere on solar radiative forcing of climate

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