Articles | Volume 17, issue 20
https://doi.org/10.5194/acp-17-12269-2017
https://doi.org/10.5194/acp-17-12269-2017
Research article
 | 
16 Oct 2017
Research article |  | 16 Oct 2017

Reconciling differences in stratospheric ozone composites

William T. Ball, Justin Alsing, Daniel J. Mortlock, Eugene V. Rozanov, Fiona Tummon, and Joanna D. Haigh

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Cited articles

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Short summary
Several ozone composites show different decadal trends, even in composites built with the same data. We remove artefacts affecting trend analysis with a new method (BASIC) and construct an ozone composite, with uncertainties. We find a significant ozone recovery since 1998 in the midlatitude upper stratosphere, with no hemispheric difference. We recommend using a similar approach to construct a composite based on the original instrument data to improve stratospheric ozone trend estimates.
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