Articles | Volume 17, issue 2
Atmos. Chem. Phys., 17, 867–881, 2017
https://doi.org/10.5194/acp-17-867-2017
Atmos. Chem. Phys., 17, 867–881, 2017
https://doi.org/10.5194/acp-17-867-2017

Research article 20 Jan 2017

Research article | 20 Jan 2017

The dynamical impact of Rossby wave breaking upon UK PM10 concentration

Christopher P. Webber et al.

Data sets

ERA-Interim data D. P. Dee, S. M. Uppala, A. J. Simmons, P. Berrisford, P. Poli, S. Kobayashi, U. Andrae, M. A. Balmaseda, G. Balsamo, P. Bauer, and P. Bechtold http://apps.ecmwf.int

PM10 data DEFRA https://uk-air.defra.gov.uk/data/data_selector/

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Short summary
The influence of synoptic meteorology on UK PM10 concentration ([PM110]) is analysed. ERA-Interim reanalysis data are used to detect upper-tropospheric wave breaking that explains much of the UK winter synoptic meteorological variability. Wave breaking is shown to positively impact UK [PM10], with a persistent Ω block feature resulting in the greatest probability of exceeding a hazardous UK [PM10]. The meteorological dynamics of UK PM10 exceedances are better understood following this study.
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