Articles | Volume 16, issue 22
Atmos. Chem. Phys., 16, 14599–14619, 2016
Atmos. Chem. Phys., 16, 14599–14619, 2016

Research article 23 Nov 2016

Research article | 23 Nov 2016

Assessing the sensitivity of the hydroxyl radical to model biases in composition and temperature using a single-column photochemical model for Lauder, New Zealand

Laura López-Comí et al.

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Cited articles

Badosa, J., McKenzie, R. L., Kotkamp, M., Calbó, J., González, J. A., Johnston, P. V., O'Neill, M., and Anderson, D. J.: Towards closure between measured and modelled UV under clear skies at four diverse sites, Atmos. Chem. Phys., 7, 2817–2837,, 2007.
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Bloss, W. J., Lee, J. D., Heard, D. E., Salmon, R. A., Bauguitte, S. J. B., Roscoe, H. K., and Jones, A. E.: Observations of OH and HO2 radicals in coastal Antarctica, Atmos. Chem. Phys., 7, 4171–4185,, 2007.
Bodeker, G. E., Boyd, I. S., and Matthews, W. A.: Trends and variability in vertical ozone and temperature profiles measured by ozonesondes at Lauder, New Zealand: 1986–1996, J. Geophys. Res., 103, 28661–28681, 1998.
Bousquet, P., Hauglustaine, D. A., Peylin, P., Carouge, C., and Ciais, P.: Two decades of OH variability as inferred by an inversion of atmospheric transport and chemistry of methyl chloroform, Atmos. Chem. Phys., 5, 2635–2656,, 2005.
Short summary
The hydroxyl radical (OH) is known for removing various pollutants from the atmosphere. Chemistry–climate models disagree on how much OH is found in the atmosphere. Here we use a single column model, set up for Lauder (New Zealand), to assess how OH responds to correcting model biases in long-lived constituents and temperature. We find some considerable sensitivity to correcting water vapour and ozone, with lesser contributions due to correcting methane, carbon monoxide, and temperature.
Final-revised paper