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Time series analysis of Arctic tropospheric ozone as short-lived climate force
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2015 (English)Report (Other academic)
Abstract [en]

Ozone soundings from 9 Nordic stations with rather different data coverage have been homogenized followed by an interpolation to standard tropospheric pressure levels. A Bayesian model was applied which included a low-frequency variability, an annual cycle with harmonics, the possibility for variability in seasonal amplitude and phasing, and noise. Regarding the low-frequency variability it was found that only Scoresbysund, Ny Aalesund and Sodankyla showed statistical significant changes with a maximum near 2007 followed by a decrease. We hypothesize that this decrease could be explained by an observed decrease in nitrogen oxide in Europe.

Place, publisher, year, edition, pages
Copenhagen: Nordisk Ministerråd, 2015. , 33 p.
TemaNord, ISSN 0908-6692 ; 2015:918
National Category
Climate Research
Research subject
Environment; Chemicals; Climate; Sustainable development
URN: urn:nbn:se:norden:org:diva-4164DOI: 10.6027/NA2015-918OAI: diva2:860595
Available from: 2015-10-13 Created: 2015-10-13 Last updated: 2015-11-03

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