Abstract
In situ measurements of stratospheric H2SO4 and HSO3 vapour concentrations using passive chemical ionization mass spectrometry were made in 1982 before and after the dramatic eruptions of the Mexican volcano El Chichón. Substantial increases of the total concentration of these gases over previously measured values were observed, particularly around 25 km altitude where most of the eruption cloud material was deposited. Implications for stratospheric SO2-oxidation and nucleation processes are discussed.
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Arnold, F., Bührke, T. New H2SO4 and HSO3 vapour measurements in the stratosphere—evidence for a volcanic influence. Nature 301, 293–295 (1983). https://doi.org/10.1038/301293a0
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DOI: https://doi.org/10.1038/301293a0
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