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Atmos. Meas. Tech., 5, 1841-1846, 2012
https://doi.org/10.5194/amt-5-1841-2012
© Author(s) 2012. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
31 Jul 2012
Direct comparisons of GOMOS and SAGE III NO3 vertical profiles
J. Hakkarainen1,2, J. Tamminen1, J. R. Moore3, and E. Kyrölä1 1Finnish Meteorological Institute, Earth Observation, Helsinki, Finland
2Lappeenranta University of Technology, Lappeenranta, Finland
3Science Systems and Applications, Inc., Hampton, Virginia, USA
Abstract. In this paper, we present the first global comparisons between the two unique satellite-borne data sets of nitrogen trioxide (NO3) vertical profiles retrieved from the GOMOS (Global Ozone Monitoring by the Occultation of Stars) stellar occultations and the SAGE III (Stratospheric Aerosol and Gas Experiment) lunar occultations. The comparison results indicate that between the altitudes 25 km and 45 km the median difference between these two data sets is within ± 25%. The study of zonal median profiles shows that the climatologies calculated from GOMOS and SAGE III profiles are comparable and represent the same features in all latitude bands. No clear systematic differences are observed. The median profiles are closest in the tropics and slightly deviating at high latitudes.

Citation: Hakkarainen, J., Tamminen, J., Moore, J. R., and Kyrölä, E.: Direct comparisons of GOMOS and SAGE III NO3 vertical profiles, Atmos. Meas. Tech., 5, 1841-1846, https://doi.org/10.5194/amt-5-1841-2012, 2012.
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