Articles | Volume 24, issue 5
https://doi.org/10.5194/acp-24-3163-2024
https://doi.org/10.5194/acp-24-3163-2024
Research article
 | 
13 Mar 2024
Research article |  | 13 Mar 2024

A machine learning approach to downscale EMEP4UK: analysis of UK ozone variability and trends

Lily Gouldsbrough, Ryan Hossaini, Emma Eastoe, Paul J. Young, and Massimo Vieno

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Cited articles

Alkuwari, F. A., Guillas, S., and Wang, Y.: Statistical downscaling of an air quality model using Fitted Empirical Orthogonal Functions, Atmos. Environ., 81, 1–10, https://doi.org/10.1016/j.atmosenv.2013.08.031, 2013. 
AQEG: Ozone in the UK – Recent Trends and Future Projections, 2021. 
Bergstra, J., Yamins, D., and Cox, D. D.: Making a Science of Model Search: Hyperparameter Optimization in Hundreds of Dimensions for Vision Architectures. Presented at the Proceedings of the 30 th International Conference on Machine Learning, JMLR: W&CP, Atlanta, Georgia, USA, p. 9, 2013. 
Betancourt, C., Stomberg, T. T., Edrich, A.-K., Patnala, A., Schultz, M. G., Roscher, R., Kowalski, J., and Stadtler, S.: Global, high-resolution mapping of tropospheric ozone – explainable machine learning and impact of uncertainties, Geosci. Model Dev., 15, 4331–4354, https://doi.org/10.5194/gmd-15-4331-2022, 2022. 
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Short summary
High-resolution spatial fields of surface ozone are used to understand spikes in ozone concentration and predict their impact on public health. Such fields are routinely output from complex mathematical models for atmospheric conditions. These outputs are on a coarse spatial resolution and the highest concentrations tend to be biased. Using a novel data-driven machine learning methodology, we show how such output can be corrected to produce fields with both lower bias and higher resolution.
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