Articles | Volume 16, issue 4
https://doi.org/10.5194/acp-16-2207-2016
https://doi.org/10.5194/acp-16-2207-2016
Research article
 | 
25 Feb 2016
Research article |  | 25 Feb 2016

Water vapour variability in the high-latitude upper troposphere – Part 2: Impact of volcanic eruptions

Christopher E. Sioris, Jason Zou, C. Thomas McElroy, Chris D. Boone, Patrick E. Sheese, and Peter F. Bernath

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Short summary
This paper shows that volcanic eruptions occurring at higher latitudes in windy environments can lead to significant perturbations to upper tropospheric (UT) humidity mostly due to entrainment of lower tropospheric moisture by wind-blown plumes. This research was performed for the purpose of determining long-term trends in high-latitude UT water vapour. The steps involve building a monthly climatology and using it to deseasonalize the time series. Large observed anomalies are then studied.
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