Articles | Volume 17, issue 15
https://doi.org/10.5194/acp-17-9347-2017
https://doi.org/10.5194/acp-17-9347-2017
Research article
 | 
04 Aug 2017
Research article |  | 04 Aug 2017

Trends and annual cycles in soundings of Arctic tropospheric ozone

Bo Christiansen, Nis Jepsen, Rigel Kivi, Georg Hansen, Niels Larsen, and Ulrik Smith Korsholm

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Cited articles

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Short summary
Ozone soundings in the troposphere from nine Arctic stations covering the period 1984–2014 have been analyzed. Stations with the best data coverage show a consistent and significant temporal variation with a maximum near 2005 followed by a decrease. Some significant changes are found in the annual cycle in agreement with the notion that the ozone summer maximum is appearing earlier in the year. Such changes in Arctic ozone in the free troposphere have not been reported before.
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