Articles | Volume 15, issue 5
https://doi.org/10.5194/acp-15-2269-2015
https://doi.org/10.5194/acp-15-2269-2015
Research article
 | 
03 Mar 2015
Research article |  | 03 Mar 2015

Copernicus stratospheric ozone service, 2009–2012: validation, system intercomparison and roles of input data sets

K. Lefever, R. van der A, F. Baier, Y. Christophe, Q. Errera, H. Eskes, J. Flemming, A. Inness, L. Jones, J.-C. Lambert, B. Langerock, M. G. Schultz, O. Stein, A. Wagner, and S. Chabrillat

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Subject: Gases | Research Activity: Atmospheric Modelling and Data Analysis | Altitude Range: Stratosphere | Science Focus: Chemistry (chemical composition and reactions)
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Cited articles

Baier, F., Erbertseder, T., Elbern, H., and Schwinger, J.: Impact of different ozone sounding networks on a 4D-Var stratospheric data assimilation system, Q. J. Roy. Meteorol. Soc., 139, 2055–2067, https://doi.org/10.1002/qj.2086, 2013.
Balis, D., Kroon, M., Koukouli, M. E., Brinksma, E. J., Labow, G., Veefkind, J. P., and McPeters, R. D.: Validation of Ozone Monitoring Instrument total ozone column measurements using Brewer and Dobson spectrophotometer ground-based observations, J. Geophys. Res.-Atmos., 112, D24S46, https://doi.org/10.1029/2007JD008796, 2007.
Benedetti, A., Morcrette, J.-J., Boucher, O., Dethof, A., Engelen, R. J., Fisher, M., Flentje, H., Huneeus, N., Jones, L., Kaiser, J. W., Kinne, S., Mangold, A., Razinger, M., Simmons, A. J., and Suttie, M.: Aerosol analysis and forecast in the European Centre for Medium-Range Weather Forecasts Integrated Forecast System: 2. Data assimilation, J. Geophys. Res.-Atmos., 114, D13205, https://doi.org/10.1029/2008JD011115, 2009.
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Short summary
We validate and discuss the analyses of stratospheric ozone delivered in near-real time between 2009 and 2012 by four different data assimilation systems: IFS-MOZART, BASCOE, SACADA and TM3DAM. It is shown that the characteristics of the assimilation systems are much less important than those of the assimilated data sets. A correct representation of the vertical distribution of ozone requires satellite observations which are well resolved vertically and extend into the lowermost stratosphere.
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