Articles | Volume 17, issue 5
https://doi.org/10.5194/acp-17-3749-2017
https://doi.org/10.5194/acp-17-3749-2017
Research article
 | 
17 Mar 2017
Research article |  | 17 Mar 2017

An improved parameterisation of ozone dry deposition to the ocean and its impact in a global climate–chemistry model

Ashok K. Luhar, Ian E. Galbally, Matthew T. Woodhouse, and Marcus Thatcher

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This preprint is open for discussion and under review for Atmospheric Chemistry and Physics (ACP).
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Cited articles

Carpenter, L. J., MacDonald, S. M., Shaw, M. D., Kumar, R., Saunders, R. W., Parthipan, R., Wilson, J., and Plane, J. M. C.: Atmospheric iodine levels influenced by sea surface emissions of inorganic iodine, Nat. Geosci., 6, 108–111, https://doi.org/10.1038/NGEO1687, 2013.
Carpenter, L. J. and Nightingale, P. D.: Chemistry and release of gases from the surface ocean, Chem. Rev., 115, 4015–4034, https://doi.org/10.1021/cr5007123, 2015.
Chance, R., Baker, A. R., Carpenter, L., and Jickells, T. D.: The distribution of iodide at the sea surface, Environmental Science: Processes & Impacts, 16, 1841–1859, https://doi.org/10.1039/c4em00139g, 2014.
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Short summary
Dry deposition of tropospheric ozone relates to its destruction at the Earth’s surface. An improved model scheme for such deposition to the ocean is formulated backed up by field data. It results in the oceanic dry deposition of ozone to be 12 % of the global total, which is much lower than the current model estimate of about 30 %. This result has implications for modelling global tropospheric ozone budget and its radiative forcing, and ozone mixing ratios, especially in the Southern Hemisphere.
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