Recent aircraft and balloon borne measurements of OH and HO2 are reviewed. The authors demonstrate the ability of the laser-induced fluorescence technique to provide accurate, high signal to noise ratio measurements of OH throughout the upper troposphere and stratosphere. HO2 is measured as OH after gas phase chemical titration with nitric oxide. The addition of the HOx measurement capability to the suite of instruments aboard the NASA ER-2 aircraft has provided a wealth of new information about the processes that determine the concentration of ozone in the lower stratosphere. These simultaneous, in situ measurements provide a unique test of our understanding of the mechanism that control the odd-hydrogen chemistry of the lower atmosphere. -Authors
CITATION STYLE
Wennberg, P. O., Hanisco, T. F., Cohen, R. C., Stimpfle, R. M., Lapson, L. B., & Anderson, J. G. (1995). In situ measurements of OH and HO2 in the upper troposphere and stratosphere. Journal of the Atmospheric Sciences, 52(19), 3413–3420. https://doi.org/10.1175/1520-0469(1995)052<3413:ISMOOA>2.0.CO;2
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