Stratospheric CH4, HCl and ClO and the chlorine–ozone cycle

Abstract

SINCE it was suggested1 that chlorine may influence stratospheric ozone balance, and that halocarbons can contribute significantly to the stratospheric chlorine content2–4 much attention has been paid to the subject. We report here a new determination of atmospheric methane levels which gives a value lower than that often assumed by other workers. In model calculations this suggests that chlorine has a greater effect on the ozone balance than previously suspected.

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ACKERMAN, M., FRIMOUT, D. & MULLER, C. Stratospheric CH4, HCl and ClO and the chlorine–ozone cycle. Nature 269, 226–227 (1977). https://doi.org/10.1038/269226a0

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