Detection of iodine monoxide in the tropical free troposphere

  title={Detection of iodine monoxide in the tropical free troposphere},
  author={Barbara Dixa and Sunil Baidara and James F. Breschc and Samuel R. Hallc and K. Sebastian Schmidtd and Siyuan Wanga and Rainer Volkamera},
  • Barbara Dixa, Sunil Baidara, +4 authors Rainer Volkamera
  • Published 2013
Atmospheric iodine monoxide (IO) is a radical that catalytically destroys heat trapping ozone and reacts further to form aerosols. Here, we report the detection of IO in the tropical free troposphere (FT). We present vertical profiles from airborne measurements over the Pacific Ocean that show significant IO up to 9.5 km altitude and locate, on average, two-thirds of the total column above the marine boundary layer. IO was observed in both recent deep convective outflow and aged free… CONTINUE READING

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