Articles | Volume 20, issue 13
Atmos. Chem. Phys., 20, 8083–8102, 2020
https://doi.org/10.5194/acp-20-8083-2020
Atmos. Chem. Phys., 20, 8083–8102, 2020
https://doi.org/10.5194/acp-20-8083-2020
Research article
13 Jul 2020
Research article | 13 Jul 2020

Seasonal impact of biogenic very short-lived bromocarbons on lowermost stratospheric ozone between 60° N and 60° S during the 21st century

Javier Alejandro Barrera et al.

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Cited articles

Abrahamsson, K., Granfors, A., Ahnoff, M., Cuevas, C. A., and Saiz-Lopez, A.: Organic bromine compounds produced in sea ice in Antarctic winter, Nat. Commun., 9, 5291–5302, https://doi.org/10.1038/s41467-018-07062-8, 2018. 
Anderson, J. G. and Clapp, C. E.: Coupling free radical catalysis, climate change, and human health, Phys. Chem. Chem. Phys., 20, 10569–10587, https://doi.org/10.1039/C7CP08331A, 2018. 
Anderson, J. G., Wilmouth, D. M., Smith, J. B., and Sayres, D. S.: UV Dosage Levels in Summer: Increased Risk of Ozone Loss from Convectively Injected Water Vapor, Science, 337, 835–839, https://doi.org/10.1126/science.1222978, 2012. 
Anderson, J. G., Weisenstein, D. K., Bowman, K. P., Homeyer, C. R., Smith, J. B., Wilmouth, D. M., Sayres, D. S., Klobas, J. E., Leroy, S. S., Dykema, J. A., and Wofsy, S. C.: Stratospheric ozone over the United States in summer linked to observations of convection and temperature via chlorine and bromine catalysis, P. Natl. Acad. Sci. USA, 114, 4905–4913, https://doi.org/10.1073/pnas.1619318114, 2017. 
Atmospheric Chemistry and Climate Department: CSIC, available at: https://ac2.iqfr.csic.es/en/publications, last access: 25 June 2020. 
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Short summary
The inclusion of biogenic very short-lived bromocarbons (VSLBr) in the CAM-chem model improves the model–satellite agreement of the total ozone columns at mid-latitudes and drives a persistent hemispheric asymmetry in lowermost stratospheric ozone loss. The seasonal VSLBr impact on mid-latitude lowermost stratospheric ozone is influenced by the heterogeneous reactivation processes of inorganic chlorine on ice crystals, with a clear increase in ozone destruction during spring and winter.
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