Articles | Volume 17, issue 4
https://doi.org/10.5194/acp-17-2543-2017
https://doi.org/10.5194/acp-17-2543-2017
Research article
 | 
20 Feb 2017
Research article |  | 20 Feb 2017

Limits on the ability of global Eulerian models to resolve intercontinental transport of chemical plumes

Sebastian D. Eastham and Daniel J. Jacob

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Bey, I., Jacob, D. J., Yantosca, R. M., Logan, J. A., Field, B. D., Fiore, A. M., Li, Q., Liu, H. Y., Mickley, L. J., and Schultz, M. G.: Global modeling of tropospheric chemistry with assimilated meteorology: Model description and evaluation, J. Geophys. Res., 106, 23073, https://doi.org/10.1029/2001JD000807, 2001.
Brasseur, G. P. and Jacob, D. J.: Modeling of Atmospheric Chemistry, 1st edn., Cambridge University Press, 2017.
Colette, A., Ancellet, G., and Borchi, F.: Impact of vertical transport processes on the tropospheric ozone layering above Europe. Part I: Study of air mass origin using multivariate analysis, clustering and trajectories, Atmos. Environ., 39, 5409–5422, 2005.
Danielsen, E. F.: The laminar structure of the atmosphere and its relation to the concept of a tropopause, Arch. Meteor. Geophy. B, 11, 293, https://doi.org/10.1007/BF02247210, 1959.
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Short summary
Intercontinental atmospheric transport can disrupt local chemistry and cause air quality issues thousands of kilometers from the source, complicating correct attribution of air quality exceedances. This transport occurs in long, thin plumes which current-generation models consistently fail to reproduce. Our study investigates the cause of this failure, finding that greater vertical resolution than is currently available is required to reliably resolve the plumes and their effects.
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