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Strong correlation between levels of tropospheric hydroxyl radicals and solar ultraviolet radiation

Author

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  • Franz Rohrer

    (Forschungszentrum Jülich, Institut ICG-II: Troposphäre)

  • Harald Berresheim

    (German National Meteorological Service, DWD/MOHp)

Abstract

Radical thinking The hydroxyl (OH) radical mainly determines the oxidizing power of the atmosphere. OH is important for the removal of pollutants influencing human health, climate change, and crop yield. It is widely believed that the atmosphere's oxidation efficiency may be threatened in the long-term by increasing air pollution, but data on OH trends are scarce. A set of long-term measurements taken between 1999 and 2003 at the Hohenpeissenberg Meteorological Observatory in southern Germany is therefore very welcome. The data reveal no observable trend in OH levels. Surprisingly, in view of the many reactions in which the radicals can take part, OH variability is closely and linearly related to solar ultraviolet radiation.

Suggested Citation

  • Franz Rohrer & Harald Berresheim, 2006. "Strong correlation between levels of tropospheric hydroxyl radicals and solar ultraviolet radiation," Nature, Nature, vol. 442(7099), pages 184-187, July.
    • Handle: RePEc:nat:nature:v:442:y:2006:i:7099:d:10.1038_nature04924
    DOI: 10.1038/nature04924
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    Cited by:

    1. G. Meena & S. Patil & M. Manoj & P. Devara, 2013. "Tropospheric NO 2 variability over the metropolitan cities and hill stations of India," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 65(1), pages 723-737, January.

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