Articles | Volume 19, issue 19
Atmos. Chem. Phys., 19, 12811–12833, 2019
https://doi.org/10.5194/acp-19-12811-2019
Atmos. Chem. Phys., 19, 12811–12833, 2019
https://doi.org/10.5194/acp-19-12811-2019
Research article
14 Oct 2019
Research article | 14 Oct 2019

Impact of synthetic space-borne NO2 observations from the Sentinel-4 and Sentinel-5P missions on tropospheric NO2 analyses

Renske Timmermans et al.

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Latest update: 29 Nov 2022
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Short summary
We present an evaluation of the added value of the Sentinel-4 and Sentinel-5P missions for air quality analyses of NO2. For this, synthetic observations for both missions are generated and combined with a chemistry transport model. While hourly Sentinel-4 NO2 observations over Europe benefit modelled NO2 analyses throughout the entire day, daily Sentinel-5P NO2 observations with global coverage show an impact up to 3–6 h after overpass. This supports the need for a combination of missions.
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