On the Role of Lightning NOx in the Formation of Tropospheric Ozone Plumes: A Global Model Perspective

  title={On the Role of Lightning NOx in the Formation of Tropospheric Ozone Plumes: A Global Model Perspective},
  author={Didier Hauglustaine and Louisa K. Emmons and Michael J. Newchurch and Guy P. Brasseur and Toshinori Takao and Kouji Matsubara and James E. Johnson and Brian A. Ridley and Jeffrey L. Stith and James E. Dye},
  journal={Journal of Atmospheric Chemistry},
A series of ozone transects measured each year from 1987 to 1990 over thewestern Pacific and eastern Indian oceans between mid-November andmid-Decembershows a prominent ozone maximum reaching 50–80 ppbv between 5 and 10 kmin the 20° S–40° S latitude band. This maximum contrasts with ozonemixing ratios lower than20 ppbv measured at the same altitudes in equatorial regions. Analyses witha globalchemical transport model suggest that these elevated ozone values are part ofa large-scale tropospheric… 

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