Articles | Volume 15, issue 23
https://doi.org/10.5194/gmd-15-8899-2022
https://doi.org/10.5194/gmd-15-8899-2022
Model evaluation paper
 | 
13 Dec 2022
Model evaluation paper |  | 13 Dec 2022

Evaluation of high-resolution predictions of fine particulate matter and its composition in an urban area using PMCAMx-v2.0

Brian T. Dinkelacker, Pablo Garcia Rivera, Ioannis Kioutsioukis, Peter J. Adams, and Spyros N. Pandis

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Revised manuscript not accepted
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Cited articles

Allan, J. D., Williams, P. I., Morgan, W. T., Martin, C. L., Flynn, M. J., Lee, J., Nemitz, E., Phillips, G. J., Gallagher, M. W., and Coe, H.: Contributions from transport, solid fuel burning and cooking to primary organic aerosols in two UK cities, Atmos. Chem. Phys., 10, 647–668, https://doi.org/10.5194/acp-10-647-2010, 2010. 
Anand, S.: The concern for equity in health, J. Epidemiol. Commun. H., 56, 485–487, https://doi.org/10.1136/jech.56.7.485, 2002. 
Arunachalam, S., Holland, A., Do, B., and Abraczinskas, M.: A quantitative assessment of the influence of grid resolution on predictions of future-year air quality in North Carolina, USA, Atmos. Environ., 40, 5010–5026, https://doi.org/10.1016/j.atmosenv.2006.01.024, 2006. 
Carter, W. P. L.: Documentation of the SAPRC-99 chemical mechanism for VOC reactivity assessment: Final report to California Air Resources Board, Contract 92-329 and Contract 95-308, California Air Resources Board, Sacramento, California, 2000. 
Dinkelacker, B. T., Garcia Rivera, P., Kioutsioukis, I., Adams, P., and Pandis, S. N.: Source Code for PMCAMx-v2.0: “High-resolution modeling of fine particulate matter in an urban area using PMCAMx-v2.0”, Zenodo [code], https://doi.org/10.5281/zenodo.7358180, 2022. 
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Short summary
The performance of a chemical transport model in reproducing PM2.5 concentrations and composition was evaluated at the finest scale using measurements from regulatory sites as well as a network of low-cost monitors. Total PM2.5 mass is reproduced well by the model during the winter when compared to regulatory measurements, but in the summer PM2.5 is underpredicted, mainly due to difficulties in reproducing regional secondary organic aerosol levels.
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