NO<sub><italic>x</italic></sub> emissions in France in 2019–2021 as estimated by the high-spatial-resolution assimilation of TROPOMI NO<sub>2</sub> observations

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Abstract NO 2 NO x km  × km. The seasonal to inter-annual variations in the French NO x NO x NO 2 - - NO 2 NO x - 26 % from April 2019 to April 2020 in the Paris urban area), reflecting reductions in the intensity of vehicle traffic reported during the lockdown period. However, the system does not show large emission decreases for some of the largest cities in France (such as Bordeaux, Nice and Toulouse), even though they were also impacted by the lockdown measures. Despite the current limitations for the monitoring of emissions at the national scale, or for some of the largest cities in France, these results open positive perspectives regarding the ability to support the validation or improvement of inventories with satellite observations, at least at the local level. This leads to discussions on the need for a stepwise improvement of the inversion configuration for a better extraction and extrapolation in space and time of the information from the satellite observations.

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch

Bibliographic citation
NOx emissions in France in 2019–2021 as estimated by the high-spatial-resolution assimilation of TROPOMI NO2 observations ; volume:24 ; number:14 ; year:2024 ; pages:8139-8163 ; extent:25
Atmospheric chemistry and physics ; 24, Heft 14 (2024), 8139-8163 (gesamt 25)

Creator
Plauchu, Robin
Fortems-Cheiney, Audrey
Broquet, Grégoire
Pison, Isabelle
Berchet, Antoine
Potier, Elise
Dufour, Gaëlle
Coman, Adriana
Savas, Dilek
Siour, Guillaume
Eskes, Henk

DOI
10.5194/acp-24-8139-2024
URN
urn:nbn:de:101:1-2408061503030.683215778233
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
14.08.2025, 10:57 AM CEST

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Associated

  • Plauchu, Robin
  • Fortems-Cheiney, Audrey
  • Broquet, Grégoire
  • Pison, Isabelle
  • Berchet, Antoine
  • Potier, Elise
  • Dufour, Gaëlle
  • Coman, Adriana
  • Savas, Dilek
  • Siour, Guillaume
  • Eskes, Henk

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