Articles | Volume 24, issue 17
https://doi.org/10.5194/acp-24-9975-2024
© Author(s) 2024. 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-24-9975-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
09 Sep 2024
Research article |
| 09 Sep 2024
| 09 Sep 2024
Tropical tropospheric ozone distribution and trends from in situ and satellite data
CIRES, University of Colorado, Boulder, CO, USA
NOAA Chemical Sciences Laboratory, Boulder, CO, USA
Ilann Bourgeois
CIRES, University of Colorado, Boulder, CO, USA
NOAA Chemical Sciences Laboratory, Boulder, CO, USA
now at: University Savoie Mont Blanc, INRAE, CARRTEL, 74200 Thonon-les-Bains, France
CIRES, University of Colorado, Boulder, CO, USA
NOAA Chemical Sciences Laboratory, Boulder, CO, USA
Kai-Lan Chang
CIRES, University of Colorado, Boulder, CO, USA
NOAA Chemical Sciences Laboratory, Boulder, CO, USA
Jerald Ziemke
NASA Goddard Space Flight Center, Greenbelt, Maryland, USA
Morgan State University, Baltimore, Maryland, USA
Bastien Sauvage
Laboratoire d'Aérologie, Université de Toulouse, CNRS, Université Toulouse III Paul Sabatier, France
Ryan M. Stauffer
NASA Goddard Space Flight Center, Greenbelt, Maryland, USA
Anne M. Thompson
NASA Goddard Space Flight Center, Greenbelt, Maryland, USA
University of Maryland Baltimore County, Baltimore, MD, USA
Debra E. Kollonige
NASA Goddard Space Flight Center, Greenbelt, Maryland, USA
Science Systems and Applications, Inc., Lanham, MD, USA
Nadia Smith
Science and Technology Corporation, Colombia, MD 21046, USA
Daan Hubert
Royal Belgian Institute for Space Aeronomy (BIRA-IASB), 1180 Brussels, Belgium
Arno Keppens
Royal Belgian Institute for Space Aeronomy (BIRA-IASB), 1180 Brussels, Belgium
Juan Cuesta
Laboratoire Inter-universitaire des Systèmes Atmosphériques (LISA), UMR7583, Universités Paris-Est Créteil et Paris, Diderot, CNRS, Créteil, France
Klaus-Peter Heue
School of Engineering and design, and Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Methodik der Fernerkundung (IMF), Technische Universität München, Oberpfaffenhofen, Germany
Pepijn Veefkind
Royal Netherlands Meteorological Institute, De Bilt, 3731 GA, the Netherlands
Faculty of Civil Engineering and Geosciences, University of Technology Delft, Delft, 2628 CN, the Netherlands
Kenneth Aikin
CIRES, University of Colorado, Boulder, CO, USA
NOAA Chemical Sciences Laboratory, Boulder, CO, USA
Jeff Peischl
CIRES, University of Colorado, Boulder, CO, USA
NOAA Chemical Sciences Laboratory, Boulder, CO, USA
Chelsea R. Thompson
NOAA Chemical Sciences Laboratory, Boulder, CO, USA
Thomas B. Ryerson
NOAA Chemical Sciences Laboratory, Boulder, CO, USA
Gregory J. Frost
NOAA Chemical Sciences Laboratory, Boulder, CO, USA
Brian C. McDonald
NOAA Chemical Sciences Laboratory, Boulder, CO, USA
Owen R. Cooper
CIRES, University of Colorado, Boulder, CO, USA
NOAA Chemical Sciences Laboratory, Boulder, CO, USA
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- Ground-based tropospheric ozone measurements: regional tropospheric ozone column trends from the TOAR-II/HEGIFTOM homogenized datasets R. Van Malderen et al. 10.5194/acp-25-9905-2025
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- Influence of nitrogen oxides and volatile organic compounds emission changes on tropospheric ozone variability, trends and radiative effect S. Fadnavis et al. 10.5194/acp-25-8229-2025
- Current progress on tropospheric Ozone sources, biological effects and trends L. Jiang et al. 10.1007/s00484-025-03010-6
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Latest update: 30 Oct 2025
Short summary
The study examines tropical tropospheric ozone changes. In situ data from 1994–2019 display increased ozone, notably over India, Southeast Asia, and Malaysia and Indonesia. Sparse in situ data limit trend detection for the 15-year period. In situ and satellite data, with limited sampling, struggle to consistently detect trends. Continuous observations are vital over the tropical Pacific Ocean, Indian Ocean, western Africa, and South Asia for accurate ozone trend estimation in these regions.
The study examines tropical tropospheric ozone changes. In situ data from 1994–2019 display...
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