By the same authors

Production of the Atmospheric Oxidant Radicals OH and HO2 from the Ozonolysis of Alkenes

Research output: Chapter in Book/Report/Conference proceedingChapter

Published copy (DOI)


  • William J. Bloss
  • M. S. Alam
  • A. R. Rickard
  • M. Camredon
  • K. P. Wyche
  • T. Carr
  • P. S. Monks


Publication details

Title of host publicationNATO Science for Peace and Security Series C: Environmental Security
DatePublished - 9 Sep 2013
Number of pages12
Original languageEnglish

Publication series

NameNATO Science for Peace and Security Series C: Environmental Security
ISSN (Print)18746519


The reactions of ozone with alkenes are of importance within atmospheric chemistry as a non-photolytic source of the oxidant radicals OH, HO2 and RO2. While OH yields are relatively well constrained, few data exist for production of HO2 or RO2. We report direct measurements of total radical yields from a range of small (C2-C5) alkenes, using LIF and PERCA techniques within large simulation chamber experiments. OH yields are found to be consistent with established understanding, while HO2 yields are substantially smaller than previous measurements suggest, but in good agreement with those assumed within current atmospheric chemical mechanisms.

    Research areas

  • Alkenes, HO, OH, Ozonolysis, Troposphere

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