Abstract
Strong evidence for nitric acid condensation at altitudes of about 18–23 km is provided by balloon-and rocket-borne measurements made near Kiruna, northern Sweden, in January 1989. Nitric acid con-densation is believed to be a necessary step in the chemical pre-conditioning required for chlorine-catalysed ozone destruction.
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Arnold, F., Schlager, H., Hoffmann, J. et al. Evidence for stratospheric nitric acid condensation from balloon and rocket measurements in the Arctic. Nature 342, 493–497 (1989). https://doi.org/10.1038/342493a0
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DOI: https://doi.org/10.1038/342493a0
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