Halocarbons in the Arctic and Antarctic Atmosphere

  • William T. Sturges
Part of the NATO ASI Series book series (volume 7)


A wide range of halocarbon gases (those containing one or more of the halogens chlorine, fluorine, bromine and iodine) have been identified in the polar atmosphere. Their origins are various, from both anthropogenic and natural sources. Although much is known about the transformations of halocarbons in the stratosphere, and their apparent involvement in Antarctic stratospheric ozone depletion in particular, much less is know about their potential impact on tropospheric ozone chemistry. Nevertheless, the Arctic spring bromine “pulse” and negative correlation between particulate bromine and ozone is compelling evidence for halogen-ozone reactions in the polar troposphere. In the Antarctic, the progressive decline in free tropospheric ozone in austral summer has been attributed to greater UV penetration through the ozone-depleted stratosphere; a possible example of an indirect effect of halocarbons on tropospheric ozone.


Ozone Depletion Tropospheric Ozone Methyl Bromide Surface Ozone Ozone Loss 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • William T. Sturges
    • 1
  1. 1.Cooperative Institute for Research in Environmental SciencesUniversity of Colorado & National Oceanic and Atmospheric Administration, US Department of CommerceBoulderUSA

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