I. S. A. Isaksen

• Atmospheric ozone as a climate gas
• Chemistry and radiation changes in the ozone layer
• Tropospheric Ozone
• Diurnal variations of atmospheric constituents in an oxygen - hydrogen-nitrogen-carbon atmospheric model and the role of minor neutral constituents in the chemistry of the lower ionosphere
• The stratospheric ozone problem
• Uncertainties in calculated hydroxyl radical densities in the troposphere and stratosphere