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Ensemble forecasts of air quality in eastern China - Part 1: Model description and implementation of the MarcoPolo-Panda prediction system, version 1

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Brasseur,  Guy P.       
Environmental Modelling, MPI for Meteorology, Max Planck Society;

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Petersen,  Katinka
Environmental Modelling, MPI for Meteorology, Max Planck Society;

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Bouarar,  Idir
Environmental Modelling, MPI for Meteorology, Max Planck Society;

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gmd-12-33-2019.pdf
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Citation

Brasseur, G. P., Xie, Y., Petersen, K., Bouarar, I., Flemming, J., Gauss, M., et al. (2019). Ensemble forecasts of air quality in eastern China - Part 1: Model description and implementation of the MarcoPolo-Panda prediction system, version 1. Geoscientific Model Development, 12, 33-67. doi:10.5194/gmd-12-33-2019.


Cite as: https://hdl.handle.net/21.11116/0000-0002-D592-8
Abstract
An operational multi-model forecasting system for air quality including nine different chemical transport models has been developed and provides daily forecasts of ozone, nitrogen oxides, and particulate matter for the 37 largest urban areas of China (population higher than 3 million in 2010). These individual forecasts as well as the mean and median concentrations for the next 3 days are displayed on a publicly accessible website (http://www.marcopolo-panda. eu, last access: 7 December 2018). The paper describes the forecasting system and shows some selected illustrative examples of air quality predictions. It presents an intercomparison of the different forecasts performed during a given period of time (1-15 March 2017) and highlights recurrent differences between the model output as well as systematic biases that appear in the median concentration values. Pathways to improve the forecasts by the multi-model system are suggested.