Articles | Volume 16, issue 10
Atmos. Chem. Phys., 16, 6303–6318, 2016
https://doi.org/10.5194/acp-16-6303-2016
Atmos. Chem. Phys., 16, 6303–6318, 2016
https://doi.org/10.5194/acp-16-6303-2016

Research article 24 May 2016

Research article | 24 May 2016

What effect does VOC sampling time have on derived OH reactivity?

Hannah Sonderfeld et al.

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Atkinson, R. and Arey, J.: Atmospheric degradation of volatile organic compounds, Chem. Rev., 103, 4605–4638, 2003.
Barber, S., Blake, R. S., White, I. R., Monks, P. S., Reich, F., Mullock, S., and Ellis, A. M.: Increased sensitivity in proton transfer reaction mass spectrometry by incorporation of a radio frequency ion funnel, Anal. Chem., 84, 5387–5391, 2012.
Bonn, B., Bourtsoukidis, E., Sun, T. S., Bingemer, H., Rondo, L., Javed, U., Li, J., Axinte, R., Li, X., Brauers, T., Sonderfeld, H., Koppmann, R., Sogachev, A., Jacobi, S., and Spracklen, D. V.: The link between atmospheric radicals and newly formed particles at a spruce forest site in Germany, Atmos. Chem. Phys., 14, 10823–10843, https://doi.org/10.5194/acp-14-10823-2014, 2014.
Cantrell, C. A.: Technical Note: Review of methods for linear least-squares fitting of data and application to atmospheric chemistry problems, Atmos. Chem. Phys., 8, 5477–5487, https://doi.org/10.5194/acp-8-5477-2008, 2008.
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Short summary
Unknown sinks of OH and oxidation processes in the atmosphere have been attributed to what has been termed "missing" OH reactivity. Often overlooked are the differences in timescales over which the diverse measurement techniques operate. The effect of the sampling time and thus the contribution of unmeasured VOC variability on OH reactivity is investigated.
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