Abstract
Recent indirect and direct observations have shown that chlorine and bromine are active initiators of oxidation in the marine and coastal regions. Bromine effectively depletes ozone at Arctic sunrise and reacts with some hydrocarbons in the marine boundary layer (MBL). Chlorine reacts with many natural and anthropogenic pollutants. Morning Cl concentrations were estimated to reach in some cases 105 molecule/cm3 (Spicer et al, 1998; Singh et al., 1996). This can markedly increase the oxidation potential of the coastal areas where polluted air from the continent is purified. Moreover, the back-transport of chlorine-enriched air causes changes in the oxidation potential of the continental troposphere.
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Gershenzon, M.Y. et al. (2002). Heterogeneous Reactions Affecting Chlorine Activation in the Troposphere. In: Barnes, I. (eds) Global Atmospheric Change and its Impact on Regional Air Quality. NATO Science Series, vol 16. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0082-6_17
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DOI: https://doi.org/10.1007/978-94-010-0082-6_17
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