Articles | Volume 21, issue 12
https://doi.org/10.5194/acp-21-9309-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-21-9309-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Non-linear response of PM2.5 to changes in NOx and NH3 emissions in the Po basin (Italy): consequences for air quality plans
Philippe Thunis
CORRESPONDING AUTHOR
European Commission, Joint Research Centre, Ispra, Italy
Alain Clappier
Université de Strasbourg, Laboratoire Image Ville Environnement, Strasbourg, France
Matthias Beekmann
Université de Paris and Université Paris-Est Créteil, CNRS, LISA, F-75013 Paris, France
Jean Philippe Putaud
European Commission, Joint Research Centre, Ispra, Italy
Cornelis Cuvelier
European Commission, Joint Research Centre, Ispra, Italy
retired
Jessie Madrazo
Signa Terre SA, Geneva, Switzerland
Alexander de Meij
MetClim, Varese, Italy
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- Modelling the Impact of the Introduction of the EURO 6d-TEMP/6d Regulation for Light-Duty Vehicles on EU Air Quality A. de Meij et al. 10.3390/app12094257
- Agrimonia: a dataset on livestock, meteorology and air quality in the Lombardy region, Italy A. Fassò et al. 10.1038/s41597-023-02034-0
- Rapid PM2.5-Induced Health Impact Assessment: A Novel Approach Using Conditional U-Net CMAQ Surrogate Model Y. Lee et al. 10.3390/atmos15101186
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- A multi-year source apportionment of PM2.5 at multiple sites in the southern Po Valley (Italy) F. Scotto et al. 10.1016/j.apr.2021.101192
- Application of Machine Learning to Estimate Ammonia Atmospheric Emissions and Concentrations A. Marongiu et al. 10.3390/air2010003
- Underestimated benefits of NOx control in reducing SNA and O3 based on missing heterogeneous HONO sources S. Zhang et al. 10.1007/s11783-024-1790-y
- Impact of NOx and NH3 Emission Reduction on Particulate Matter across Po Valley: A LIFE-IP-PREPAIR Study G. Veratti et al. 10.3390/atmos14050762
- Monitoring ammonia concentrations in more than 10 stations in the Po Valley for the period 2007–2022 in relation to the evolution of different sources C. Colombi et al. 10.3389/fenvh.2024.1249457
- Assessment of the sensitivity of model responses to urban emission changes in support of emission reduction strategies B. Bessagnet et al. 10.1007/s11869-023-01469-z
- Global impacts of aviation on air quality evaluated at high resolution S. Eastham et al. 10.5194/acp-24-2687-2024
- Ambitious nitrogen abatement is required to mitigate future global PM2.5 air pollution toward the World Health Organization targets Y. Guo et al. 10.1016/j.oneear.2024.08.007
- Measurement report: Source attribution and estimation of black carbon levels in an urban hotspot of the central Po Valley – an integrated approach combining high-resolution dispersion modelling and micro-aethalometers G. Veratti et al. 10.5194/acp-24-10475-2024
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- A case study of surface ozone source contributions in the Seoul metropolitan area using the adjoint of CMAQ A. Kashfi Yeganeh et al. 10.1080/10962247.2024.2361021
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Latest update: 20 Nov 2024
Short summary
Modelling simulations are used to identify the most efficient emission reduction strategies to reduce PM2.5 concentration levels in northern Italy. Results show contrasting chemical regimes and important non-linearities during wintertime, with the striking result that PM2.5 levels may increase when NOx reductions are applied in NOx-rich areas – a process that may have contributed to the absence of significant PM2.5 decrease during the COVID-19 lockdowns in many European cities.
Modelling simulations are used to identify the most efficient emission reduction strategies to...
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