Abstract
In situ measurements of stratospheric sulphate aerosol, reactive nitrogen and chlorine concentrations at middle latitudes confirm the importance of aerosol surface reactions that convert active nitrogen to a less active, reservoir form. This makes mid-latitude stratospheric ozone less vulnerable to active nitrogen and more vulnerable to chlorine species. The effect of aerosol reactions on active nitrogen depends on gas phase reaction rates, so that increases in aerosol concentration following volcanic eruptions will have only a limited effect on ozone depletion at these latitudes.
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Fahey, D., Kawa, S., Woodbridge, E. et al. In situ measurements constraining the role of sulphate aerosols in mid-latitude ozone depletion. Nature 363, 509â514 (1993). https://doi.org/10.1038/363509a0
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DOI: https://doi.org/10.1038/363509a0
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