Articles | Volume 21, issue 21
https://doi.org/10.5194/acp-21-16237-2021
© 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-21-16237-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
05 Nov 2021
Research article |
| 05 Nov 2021
| 05 Nov 2021
The effects of the COVID-19 lockdowns on the composition of the troposphere as seen by In-service Aircraft for a Global Observing System (IAGOS) at Frankfurt
IAGOS-AISBL, 98 Rue du Trône, Brussels, Belgium
Yasmine Bennouna
Laboratoire d'Aérologie (LAERO), Université Toulouse III – Paul Sabatier, CNRS, Toulouse, France
Royal Netherlands Meteorological Institute (KNMI), De Bilt, the Netherlands
Maria Tsivlidou
Laboratoire d'Aérologie (LAERO), Université Toulouse III – Paul Sabatier, CNRS, Toulouse, France
Pawel Wolff
Laboratoire d'Aérologie (LAERO), Université Toulouse III – Paul Sabatier, CNRS, Toulouse, France
Bastien Sauvage
Laboratoire d'Aérologie (LAERO), Université Toulouse III – Paul Sabatier, CNRS, Toulouse, France
Brice Barret
Laboratoire d'Aérologie (LAERO), Université Toulouse III – Paul Sabatier, CNRS, Toulouse, France
Eric Le Flochmoën
Laboratoire d'Aérologie (LAERO), Université Toulouse III – Paul Sabatier, CNRS, Toulouse, France
Romain Blot
Laboratoire d'Aérologie (LAERO), Université Toulouse III – Paul Sabatier, CNRS, Toulouse, France
Damien Boulanger
Observatoire Midi-Pyrénées (OMP-SEDOO), Université Toulouse III - Paul Sabatier, CNRS, Toulouse, France
Jean-Marc Cousin
Laboratoire d'Aérologie (LAERO), Université Toulouse III – Paul Sabatier, CNRS, Toulouse, France
Philippe Nédélec
Laboratoire d'Aérologie (LAERO), Université Toulouse III – Paul Sabatier, CNRS, Toulouse, France
Andreas Petzold
Troposphere (IEK-8), Institute of Energy and Climate Research, Forschungszentrum Jülich, Jülich, Germany
Valérie Thouret
Laboratoire d'Aérologie (LAERO), Université Toulouse III – Paul Sabatier, CNRS, Toulouse, France
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Cited
16 citations as recorded by crossref.
- Secondary PM2.5 decreases significantly less than NO2 emission reductions during COVID lockdown in Germany V. Balamurugan et al. 10.5194/acp-22-7105-2022
- System for Analysis of Wind Collocations (SAWC): A Novel Archive and Collocation Software Application for the Intercomparison of Winds from Multiple Observing Platforms K. Lukens et al. 10.3390/meteorology3010006
- Technical note: Northern midlatitude baseline ozone – long-term changes and the COVID-19 impact D. Parrish et al. 10.5194/acp-22-13423-2022
- Diverging Ozone Trends Above Western North America: Boundary Layer Decreases Versus Free Tropospheric Increases K. Chang et al. 10.1029/2022JD038090
- Fingerprints of the COVID-19 economic downturn and recovery on ozone anomalies at high-elevation sites in North America and western Europe D. Putero et al. 10.5194/acp-23-15693-2023
- Air quality impacts of COVID-19 lockdown measures detected from space using high spatial resolution observations of multiple trace gases from Sentinel-5P/TROPOMI P. Levelt et al. 10.5194/acp-22-10319-2022
- Large reductions in satellite-derived and modelled European lower-tropospheric ozone during and after the COVID-19 pandemic (2020–2022) M. Pimlott et al. 10.5194/acp-25-4391-2025
- Impact of the COVID‐19 Economic Downturn on Tropospheric Ozone Trends: An Uncertainty Weighted Data Synthesis for Quantifying Regional Anomalies Above Western North America and Europe K. Chang et al. 10.1029/2021AV000542
- Validation of 12 years (2008–2019) of IASI-A CO with IAGOS aircraft observations B. Barret et al. 10.5194/amt-18-129-2025
- Effect of COVID-19 Pandemic on Aircraft Emissions at Václav Havel Airport Prague in 2020 B. Stloukal et al. 10.3390/atmos16030296
- NASA GEOS Composition Forecast Modeling System GEOS‐CF v1.0: Stratospheric Composition K. Knowland et al. 10.1029/2021MS002852
- Tropospheric ozone production and chemical regime analysis during the COVID-19 lockdown over Europe C. Nussbaumer et al. 10.5194/acp-22-6151-2022
- Opinion: New directions in atmospheric research offered by research infrastructures combined with open and data-intensive science A. Petzold et al. 10.5194/acp-24-5369-2024
- CO anthropogenic emissions in Europe from 2011 to 2021: insights from Measurement of Pollution in the Troposphere (MOPITT) satellite data A. Fortems-Cheiney et al. 10.5194/acp-24-4635-2024
- How Well Do We Understand the Land‐Ocean‐Atmosphere Carbon Cycle? D. Crisp et al. 10.1029/2021RG000736
- Anomalies of O3, CO, C2H2, H2CO, and C2H6 detected with multiple ground-based Fourier-transform infrared spectrometers and assessed with model simulation in 2020: COVID-19 lockdowns versus natural variability I. Ortega et al. 10.1525/elementa.2023.00015
16 citations as recorded by crossref.
- Secondary PM2.5 decreases significantly less than NO2 emission reductions during COVID lockdown in Germany V. Balamurugan et al. 10.5194/acp-22-7105-2022
- System for Analysis of Wind Collocations (SAWC): A Novel Archive and Collocation Software Application for the Intercomparison of Winds from Multiple Observing Platforms K. Lukens et al. 10.3390/meteorology3010006
- Technical note: Northern midlatitude baseline ozone – long-term changes and the COVID-19 impact D. Parrish et al. 10.5194/acp-22-13423-2022
- Diverging Ozone Trends Above Western North America: Boundary Layer Decreases Versus Free Tropospheric Increases K. Chang et al. 10.1029/2022JD038090
- Fingerprints of the COVID-19 economic downturn and recovery on ozone anomalies at high-elevation sites in North America and western Europe D. Putero et al. 10.5194/acp-23-15693-2023
- Air quality impacts of COVID-19 lockdown measures detected from space using high spatial resolution observations of multiple trace gases from Sentinel-5P/TROPOMI P. Levelt et al. 10.5194/acp-22-10319-2022
- Large reductions in satellite-derived and modelled European lower-tropospheric ozone during and after the COVID-19 pandemic (2020–2022) M. Pimlott et al. 10.5194/acp-25-4391-2025
- Impact of the COVID‐19 Economic Downturn on Tropospheric Ozone Trends: An Uncertainty Weighted Data Synthesis for Quantifying Regional Anomalies Above Western North America and Europe K. Chang et al. 10.1029/2021AV000542
- Validation of 12 years (2008–2019) of IASI-A CO with IAGOS aircraft observations B. Barret et al. 10.5194/amt-18-129-2025
- Effect of COVID-19 Pandemic on Aircraft Emissions at Václav Havel Airport Prague in 2020 B. Stloukal et al. 10.3390/atmos16030296
- NASA GEOS Composition Forecast Modeling System GEOS‐CF v1.0: Stratospheric Composition K. Knowland et al. 10.1029/2021MS002852
- Tropospheric ozone production and chemical regime analysis during the COVID-19 lockdown over Europe C. Nussbaumer et al. 10.5194/acp-22-6151-2022
- Opinion: New directions in atmospheric research offered by research infrastructures combined with open and data-intensive science A. Petzold et al. 10.5194/acp-24-5369-2024
- CO anthropogenic emissions in Europe from 2011 to 2021: insights from Measurement of Pollution in the Troposphere (MOPITT) satellite data A. Fortems-Cheiney et al. 10.5194/acp-24-4635-2024
- How Well Do We Understand the Land‐Ocean‐Atmosphere Carbon Cycle? D. Crisp et al. 10.1029/2021RG000736
- Anomalies of O3, CO, C2H2, H2CO, and C2H6 detected with multiple ground-based Fourier-transform infrared spectrometers and assessed with model simulation in 2020: COVID-19 lockdowns versus natural variability I. Ortega et al. 10.1525/elementa.2023.00015
Latest update: 08 May 2025
Short summary
We examined 27 years of IAGOS (In-service Aircraft for a Global Observing System) profiles at Frankfurt to see if there were unusual features during the spring of 2020 related to COVID-19 lockdowns in Europe. Increased ozone near the surface was partly linked to the reduction in emissions. Carbon monoxide decreased near the surface, but the impact of the lockdowns was offset by polluted air masses from elsewhere. There were small reductions in ozone and carbon monoxide in the free troposphere.
We examined 27 years of IAGOS (In-service Aircraft for a Global Observing System) profiles at...
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