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  • Evidence for slowdown in st...
    Newchurch, M. J.; Yang, Eun-Su; Cunnold, D. M.; Reinsel, Gregory C.; Zawodny, J. M.; Russell III, James M.

    Journal of Geophysical Research - Atmospheres, 27 August 2003, Letnik: 108, Številka: D16
    Journal Article

    Global ozone trends derived from the Stratospheric Aerosol and Gas Experiment I and II (SAGE I/II) combined with the more recent Halogen Occultation Experiment (HALOE) observations provide evidence of a slowdown in stratospheric ozone losses since 1997. This evidence is quantified by the cumulative sum of residual differences from the predicted linear trend. The cumulative residuals indicate that the rate of ozone loss at 35- 45 km altitudes globally has diminished. These changes in loss rates are consistent with the slowdown of total stratospheric chlorine increases characterized by HALOE HCI measurements. These changes in the ozone loss rates in the upper stratosphere are significant and constitute the first stage of a recovery of the ozone layer.