Evidence for slowdown in stratospheric ozone loss: First stage of ozone recovery
作者： MJ Newchurch , Eun‐Su Yang , DM Cunnold , Gregory C Reinsel , JM Zawodny
DOI: 10.1029/2003JD003471
关键词: Slowdown 、 Ozone 、 Atmosphere 、 Atmospheric sciences 、 Climatology 、 Stratospheric Aerosol and Gas Experiment 、 Equivalent effective stratospheric chlorine 、 Stratosphere 、 Ozone layer 、 Montreal Protocol 、 Earth-Surface Processes 、 Ecology (disciplines) 、 Earth and Planetary Sciences (miscellaneous) 、 Space and Planetary Science 、 Palaeontology 、 Forestry 、 Aquatic science 、 Atmospheric Science 、 Soil science 、 Geochemistry and Petrology 、 Geophysics 、 Oceanography 、 Water Science and Technology
摘要: [1] Global ozone trends derived from the Stratospheric Aerosol and Gas Experiment I II (SAGE I/II) combined with more recent Halogen Occultation (HALOE) observations provide evidence of a slowdown in stratospheric losses since 1997. This is quantified by cumulative sum residual differences predicted linear trend. The residuals indicate that rate loss at 35– 45 km altitudes globally has diminished. These changes rates are consistent total chlorine increases characterized HALOE HCl measurements. upper stratosphere significant constitute first stage recovery layer. INDEX TERMS: 0340 Atmospheric Composition Structure: Middle atmosphere—composition chemistry; 0341 atmosphere—constituent transport chemistry (3334); 1610 Change: Atmosphere (0315, 0325); KEYWORDS: trends, CFCs, Montreal Protocol Citation: Newchurch, M. J., E.-S. Yang, D. Cunnold, G. C. Reinsel, J. Zawodny, Russell III, Evidence for loss: First recovery, Geophys. Res., 108(D16), 4507, doi:10.1029/2003JD003471, 2003.
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