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Updated merged SAGE-CCI-OMPS+ dataset for the evaluation of ozone trends in the stratosphere

dc.contributor.authorSofieva, V.F.
dc.contributor.authorSzelag, M.
dc.contributor.authorTamminen, J.
dc.contributor.authorArosio, C.
dc.contributor.authorRozanov, A.
dc.contributor.authorWeber, M.
dc.contributor.authorDegenstein, D.
dc.contributor.authorBourassa, A.
dc.contributor.authorZawada, D.
dc.contributor.authorKiefer, M.
dc.contributor.authorLaeng, A.
dc.contributor.authorWalker, K.A.
dc.contributor.authorSheese, P.
dc.contributor.authorHubert, D.
dc.contributor.authorVan Roozendael, M.
dc.contributor.authorRetscher, C.
dc.contributor.authorDamadeo, R.
dc.contributor.authorLumpe, J.D.
dc.date2023
dc.date.accessioned2023-04-18T08:38:13Z
dc.date.available2023-04-18T08:38:13Z
dc.identifier.urihttps://orfeo.belnet.be/handle/internal/10877
dc.descriptionIn this paper, we present the updated SAGE-CCI-OMPS+ climate data record of monthly zonal mean ozone profiles. This dataset covers the stratosphere and combines measurements by nine limb and occultation satellite instruments – SAGE II (Stratospheric Aerosol and Gases Experiment II), OSIRIS (Optical Spectrograph and InfraRed Imaging System), MIPAS (Michelson Interferometer for Passive Atmospheric Sounding), SCIAMACHY (SCanning Imaging Spectrometer for Atmospheric CHartographY), GOMOS (Global Ozone Monitoring by Occultation of Stars), ACE-FTS (Atmospheric Chemistry Experiment Fourier Transform Spectrometer), OMPS-LP (Ozone Monitor Profiling Suite Limb Profiler), POAM (Polar Ozone and Aerosol Measurement) III, and SAGE III/ISS (Stratospheric Aerosol and Gases Experiment III on the International Space Station). Compared to the original version of the SAGE-CCI-OMPS dataset (Sofieva et al., 2017b), the update includes new versions of MIPAS, ACE-FTS, and OSIRIS datasets and introduces data from additional sensors (POAM III and SAGE III/ISS) and retrieval processors (OMPS-LP). In this paper, we show detailed intercomparisons of ozone profiles from different instruments and data versions, with a focus on the detection of possible drifts in the datasets. The SAGE-CCI-OMPS+ dataset has a better coverage of polar regions and of the upper troposphere and the lower stratosphere (UTLS) than the previous dataset. We also studied the influence of including new datasets on ozone trends, which are estimated using multiple linear regression. The changes in the merged dataset do not change the overall morphology of post-1997 ozone trends; statistically significant trends are observed in the upper stratosphere. The largest changes in ozone trends are observed in polar regions, especially in the Southern Hemisphere. The updated SAGE-CCI-OMPS+ dataset contains profiles of deseasonalized anomalies and ozone concentrations from 1984 to 2021, in 10∘ latitude bins from 90∘ S to 90∘ N and in the altitude range from 10 to 50 km. The dataset is open access and available at https://climate.esa.int/en/projects/ozone/data/ (last access: 9 March 2023) and at ftp://cci_web@ftp-ae.oma.be/esacci (ESA Climate Office; last access: 9 March 2023).
dc.languageeng
dc.titleUpdated merged SAGE-CCI-OMPS+ dataset for the evaluation of ozone trends in the stratosphere
dc.typeArticle
dc.subject.frascatiEarth and related Environmental sciences
dc.audienceScientific
dc.source.titleAtmospheric Measurement Techniques
dc.source.volume16
dc.source.issue7
dc.source.page1881-1899
Orfeo.peerreviewedYes
dc.identifier.doi10.5194/amt-16-1881-2023
dc.identifier.scopus


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