Articles | Volume 23, issue 21
https://doi.org/10.5194/acp-23-14039-2023
© Author(s) 2023. 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-23-14039-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Tropical tropospheric ozone and carbon monoxide distributions: characteristics, origins, and control factors, as seen by IAGOS and IASI
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
Yasmine Bennouna
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
Hannah Clark
IAGOS-AISBL, 98 Rue du Trône, Brussels, Belgium
Eric Le Flochmoën
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
Valérie Thouret
Laboratoire d'Aérologie (LAERO), Université Toulouse III – Paul Sabatier, CNRS, Toulouse, France
Pawel Wolff
Observatoire Midi-Pyrénées (OMP-SEDOO), Université Toulouse III – Paul Sabatier, CNRS, Toulouse, France
Brice Barret
Laboratoire d'Aérologie (LAERO), Université Toulouse III – Paul Sabatier, CNRS, Toulouse, France
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Cited
8 citations as recorded by crossref.
- Seasonal, regional, and vertical characteristics of high-carbon-monoxide plumes along with their associated ozone anomalies, as seen by IAGOS between 2002 and 2019 T. Lebourgeois et al. 10.5194/acp-24-13975-2024
- Global Emissions Inventory from Open Biomass Burning (GEIOBB): utilizing Fengyun-3D global fire spot monitoring data Y. Liu et al. 10.5194/essd-16-3495-2024
- Evaluation of modelled climatologies of O3, CO, water vapour and NOy in the upper troposphere–lower stratosphere using regular in situ observations by passenger aircraft Y. Cohen et al. 10.5194/acp-23-14973-2023
- Tropical tropospheric ozone distribution and trends from in situ and satellite data A. Gaudel et al. 10.5194/acp-24-9975-2024
- Performance of copper-aluminum catalysts impregnated with potassium in NO and N2O reduction by CO S. Gomes et al. 10.1016/j.cattod.2024.115140
- Measurement report: Long-term measurements of surface ozone and trends in semi-natural sub-Saharan African ecosystems H. Donnou et al. 10.5194/acp-24-13151-2024
- Tropical upper-tropospheric trends in ozone and carbon monoxide (2005–2020): observational and model results L. Froidevaux et al. 10.5194/acp-25-597-2025
- Validation of 12 years (2008–2019) of IASI-A CO with IAGOS aircraft observations B. Barret et al. 10.5194/amt-18-129-2025
8 citations as recorded by crossref.
- Seasonal, regional, and vertical characteristics of high-carbon-monoxide plumes along with their associated ozone anomalies, as seen by IAGOS between 2002 and 2019 T. Lebourgeois et al. 10.5194/acp-24-13975-2024
- Global Emissions Inventory from Open Biomass Burning (GEIOBB): utilizing Fengyun-3D global fire spot monitoring data Y. Liu et al. 10.5194/essd-16-3495-2024
- Evaluation of modelled climatologies of O3, CO, water vapour and NOy in the upper troposphere–lower stratosphere using regular in situ observations by passenger aircraft Y. Cohen et al. 10.5194/acp-23-14973-2023
- Tropical tropospheric ozone distribution and trends from in situ and satellite data A. Gaudel et al. 10.5194/acp-24-9975-2024
- Performance of copper-aluminum catalysts impregnated with potassium in NO and N2O reduction by CO S. Gomes et al. 10.1016/j.cattod.2024.115140
- Measurement report: Long-term measurements of surface ozone and trends in semi-natural sub-Saharan African ecosystems H. Donnou et al. 10.5194/acp-24-13151-2024
- Tropical upper-tropospheric trends in ozone and carbon monoxide (2005–2020): observational and model results L. Froidevaux et al. 10.5194/acp-25-597-2025
- Validation of 12 years (2008–2019) of IASI-A CO with IAGOS aircraft observations B. Barret et al. 10.5194/amt-18-129-2025
Latest update: 21 Feb 2025
Short summary
The tropics are a region where the ozone increase has been most apparent since 1980 and where observations are sparse. Using aircraft, satellite, and model data, we document the characteristics of tropospheric ozone and CO over the whole tropics for the last 2 decades. We explore the origin of the observed CO anomalies and investigate transport processes driving the tropical CO and O3 distribution. Our study highlights the importance of anthropogenic emissions, mostly over the northern tropics.
The tropics are a region where the ozone increase has been most apparent since 1980 and where...
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