Articles | Volume 20, issue 13
Atmos. Chem. Phys., 20, 7717–7740, 2020

Special issue: Air Quality Research at Street-Level (ACP/GMD inter-journal...

Atmos. Chem. Phys., 20, 7717–7740, 2020

Research article 03 Jul 2020

Research article | 03 Jul 2020

Nonstationary modeling of NO2, NO and NOx in Paris using the Street-in-Grid model: coupling local and regional scales with a two-way dynamic approach

Lya Lugon et al.

Related authors

Black carbon modelling in urban areas: investigating the influence of resuspension and non-exhaust emissions in streets using the Street-in-Grid (SinG) model
Lya Lugon, Jérémy Vigneron, Christophe Debert, Olivier Chrétien, and Karine Sartelet
Geosci. Model Dev. Discuss.,,, 2020
Revised manuscript accepted for GMD
Short summary

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Subject: Gases | Research Activity: Atmospheric Modelling | Altitude Range: Troposphere | Science Focus: Chemistry (chemical composition and reactions)
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Cited articles

Abdallah, C., Afif, C., El Masri, N., Öztürk, F., Keleş, M., and Sartelet, K.: A first annual assessment of air quality modeling over Lebanon using WRF/Polyphemus, Atmos. Pollut. Res., 9, 643–654, 2018. a
AIRPARIF: Air quality – station data download, available at:, last access: 30 June 2020. a
Ascher, U. and Petzold, L.: Computer Methods for Ordinary Differential Equations and Differential-Algebraic Equations, ISBN 978-0-89871-412-8, Philadelphia: Society for Industrial and Applied Mathematics, 1998. a
Berkowicz, R.: OSPM – A parameterised street pollution model, Environ. Monit. Assess., 65, 323–331, 2000. a
Berkowicz, R., Hertel, O., Larsen, S. E., Sørensen, N. N., and Nielsen, M.: Modelling traffic pollution in streets, Danish national environmental research institute, 1997. a, b
Short summary
This study presents a new version of the multi-scale model Street-in-Grid (SinG) that interconnects regional and local scales in air-quality modeling in urban areas. The new version of SinG performs the finest coupling between transport and chemistry, leading to a numerically stable partitioning between NO and NO2. Multi-scale, local-scale and regional-scale simulations of NO, NO2 and NOx over Paris are compared to observations, and SinG shows good performance for both local and regional scales.
Final-revised paper