doi:https://doi.org/

Editor(s): Owen R. Cooper, Martin G. Schultz, and Paul Stoy Special issue jointly organized between Atmospheric Chemistry and Physics, Atmospheric Measurement Techniques, Biogeosciences, and Geoscientific Model Development

The Tropospheric Ozone Assessment Report (TOAR-II) is an official activity of the International Global Atmospheric Chemistry Project (IGAC) (https://igacproject.org/activities/TOAR/TOAR-II). The goal of TOAR-II is to build on the success of TOAR-I (2014–2019) and produce an updated assessment of tropospheric ozone’s global distribution and trends from the surface to the tropopause. This effort includes an analysis of the impacts of ozone on human health, crop and ecosystem productivity, and climate.

26 May 2025

Regional and sectoral contributions of NO_x and reactive carbon emission sources to global trends in tropospheric ozone during the 2000–2018 period

Aditya Nalam, Aura Lupaşcu, Tabish Ansari, and Tim Butler

Atmos. Chem. Phys., 25, 5287–5311, https://doi.org/10.5194/acp-25-5287-2025,https://doi.org/10.5194/acp-25-5287-2025, 2025

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19 May 2025

Surface ozone trend variability across the United States and the impact of heat waves (1990–2023)

Kai-Lan Chang, Brian C. McDonald, Colin Harkins, and Owen R. Cooper

Atmos. Chem. Phys., 25, 5101–5132, https://doi.org/10.5194/acp-25-5101-2025,https://doi.org/10.5194/acp-25-5101-2025, 2025

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23 Apr 2025

Large reductions in satellite-derived and modelled European lower-tropospheric ozone during and after the COVID-19 pandemic (2020–2022)

Matilda A. Pimlott, Richard J. Pope, Brian J. Kerridge, Richard Siddans, Barry G. Latter, Lucy J. Ventress, Wuhu Feng, and Martyn P. Chipperfield

Atmos. Chem. Phys., 25, 4391–4401, https://doi.org/10.5194/acp-25-4391-2025,https://doi.org/10.5194/acp-25-4391-2025, 2025

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25 Feb 2025

Modelling ozone-induced changes in wheat amino acids and protein quality using a process-based crop model

Jo Cook, Durgesh Singh Yadav, Felicity Hayes, Nathan Booth, Sam Bland, Pritha Pande, Samarthia Thankappan, and Lisa Emberson

Biogeosciences, 22, 1035–1056, https://doi.org/10.5194/bg-22-1035-2025,https://doi.org/10.5194/bg-22-1035-2025, 2025

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20 Feb 2025

Assessing the relative impacts of satellite ozone and its precursor observations to improve global tropospheric ozone analysis using multiple chemical reanalysis systems

Takashi Sekiya, Emanuele Emili, Kazuyuki Miyazaki, Antje Inness, Zhen Qu, R. Bradley Pierce, Dylan Jones, Helen Worden, William Y. Y. Cheng, Vincent Huijnen, and Gerbrand Koren

Atmos. Chem. Phys., 25, 2243–2268, https://doi.org/10.5194/acp-25-2243-2025,https://doi.org/10.5194/acp-25-2243-2025, 2025

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18 Feb 2025

Feasibility of robust estimates of ozone production rates using a synergy of satellite observations, ground-based remote sensing, and models

Amir H. Souri, Gonzalo González Abad, Glenn M. Wolfe, Tijl Verhoelst, Corinne Vigouroux, Gaia Pinardi, Steven Compernolle, Bavo Langerock, Bryan N. Duncan, and Matthew S. Johnson

Atmos. Chem. Phys., 25, 2061–2086, https://doi.org/10.5194/acp-25-2061-2025,https://doi.org/10.5194/acp-25-2061-2025, 2025

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10 Feb 2025

Urban Ozone Trends in Europe and the USA (2000–2021)

Beth Nelson and Will Drysdale

EGUsphere, https://doi.org/10.5194/egusphere-2024-3743,https://doi.org/10.5194/egusphere-2024-3743, 2025

Preprint under review for ACP (discussion: final response, 2 comments)

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04 Feb 2025

The novel GOME-type Ozone Profile Essential Climate Variable (GOP-ECV) data record covering the past 26 years

Melanie Coldewey-Egbers, Diego G. Loyola, Barry Latter, Richard Siddans, Brian Kerridge, Daan Hubert, Michel van Roozendael, and Michael Eisinger

Atmos. Meas. Tech. Discuss., https://doi.org/10.5194/amt-2024-196,https://doi.org/10.5194/amt-2024-196, 2025

Preprint under review for AMT (discussion: final response, 2 comments)

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03 Feb 2025

Reactive nitrogen in and around the northeastern and mid-Atlantic US: sources, sinks, and connections with ozone

Min Huang, Gregory R. Carmichael, Kevin W. Bowman, Isabelle De Smedt, Andreas Colliander, Michael H. Cosh, Sujay V. Kumar, Alex B. Guenther, Scott J. Janz, Ryan M. Stauffer, Anne M. Thompson, Niko M. Fedkin, Robert J. Swap, John D. Bolten, and Alicia T. Joseph

Atmos. Chem. Phys., 25, 1449–1476, https://doi.org/10.5194/acp-25-1449-2025,https://doi.org/10.5194/acp-25-1449-2025, 2025

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31 Jan 2025

Harmonisation of sixteen tropospheric ozone satellite data records

Arno Keppens, Daan Hubert, José Granville, Oindrila Nath, Jean-Christopher Lambert, Catherine Wespes, Pierre-François Coheur, Cathy Clerbaux, Anne Boynard, Richard Siddans, Barry Latter, Brian Kerridge, Serena Di Pede, Pepijn Veefkind, Juan Cuesta, Gaelle Dufour, Klaus-Peter Heue, Melanie Coldewey-Egbers, Diego Loyola, Andrea Orfanoz-Cheuquelaf, Swathi Maratt Satheesan, Kai-Uwe Eichmann, Alexei Rozanov, Viktoria F. Sofieva, Jerald R. Ziemke, Antje Inness, Roeland Van Malderen, and Lars Hoffmann

EGUsphere, https://doi.org/10.5194/egusphere-2024-3746,https://doi.org/10.5194/egusphere-2024-3746, 2025

Preprint under review for AMT (discussion: open, 1 comment)

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30 Jan 2025

Tropical Ozone Trends (1998 to 2023): A Synthesis from SHADOZ, IAGOS and OMI/MLS Observations

Anne M. Thompson, Ryan M. Stauffer, Debra E. Kollonige, Jerald R. Ziemke, Maria Cazorla, Pawel Wolff, and Bastien Sauvage

EGUsphere, https://doi.org/10.5194/egusphere-2024-3761,https://doi.org/10.5194/egusphere-2024-3761, 2025

Preprint under review for ACP (discussion: final response, 2 comments)

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24 Jan 2025

Towards a high-quality in situ observation network for oxygenated volatile organic compounds (OVOCs) in Europe: transferring metrological traceability to the field

Maitane Iturrate-Garcia, Thérèse Salameh, Paul Schlauri, Annarita Baldan, Martin K. Vollmer, Evdokia Stratigou, Sebastien Dusanter, Jianrong Li, Stefan Persijn, Anja Claude, Rupert Holzinger, Christophe Sutour, Tatiana Macé, Yasin Elshorbany, Andreas Ackermann, Céline Pascale, and Stefan Reimann

Atmos. Meas. Tech., 18, 371–403, https://doi.org/10.5194/amt-18-371-2025,https://doi.org/10.5194/amt-18-371-2025, 2025

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23 Jan 2025

Decadal tropospheric ozone radiative forcing estimations with offline radiative modelling and IAGOS aircraft observations

Pasquale Sellitto, Audrey Gaudel, and Bastien Sauvage

EGUsphere, https://doi.org/10.5194/egusphere-2024-3748,https://doi.org/10.5194/egusphere-2024-3748, 2025

Preprint under review for ACP (discussion: final response, 2 comments)

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21 Jan 2025

Modelling Arctic Lower Tropospheric Ozone: processes controlling seasonal variations

Wanmin Gong, Stephen R. Beagley, Kenjiro Toyota, Henrik Skov, Jesper Heile Christensen, Alexandru Lupu, Diane Pendlebury, Junhua Zhang, Ulas Im, Yugo Kanaya, Alfonso Saiz-Lopez, Roberto Sommariva, Peter Effertz, John W. Halfacre, Nis Jepsen, Rigel Kivi, Theodore K. Koenig, Katrin Müller, Claus Nordstrøm, Irina Petropavlovskikh, Paul B. Shepson, William R. Simpson, Sverre Solberg, Ralf M. Staebler, David W. Tarasick, Roeland Van Malderen, and Mika Vestenius

EGUsphere, https://doi.org/10.5194/egusphere-2024-3750,https://doi.org/10.5194/egusphere-2024-3750, 2025

Revised manuscript accepted for ACP (discussion: final response, 5 comments)

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21 Jan 2025

Surface and tropospheric ozone over East Asia and Southeast Asia from observations: distributions, trends, and variability

Ke Li, Rong Tan, Wenhao Qiao, Taegyung Lee, Yufen Wang, Danyuting Zhang, Minglong Tang, Wenqing Zhao, Yixuan Gu, Shaojia Fan, Jinqiang Zhang, Xiaopu Lyu, Likun Xue, Jianming Xu, Zhiqiang Ma, Mohd Talib Latif, Teerachai Amnuaylojaroen, Junsu Gil, Mee-Hye Lee, Juseon Bak, Joowan Kim, Hong Liao, Yugo Kanaya, Xiao Lu, Tatsuya Nagashima, and Ja-Ho Koo

EGUsphere, https://doi.org/10.5194/egusphere-2024-3756,https://doi.org/10.5194/egusphere-2024-3756, 2025

Preprint under review for ACP (discussion: final response, 3 comments)

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17 Jan 2025

Tropical upper-tropospheric trends in ozone and carbon monoxide (2005–2020): observational and model results

Lucien Froidevaux, Douglas E. Kinnison, Benjamin Gaubert, Michael J. Schwartz, Nathaniel J. Livesey, William G. Read, Charles G. Bardeen, Jerry R. Ziemke, and Ryan A. Fuller

Atmos. Chem. Phys., 25, 597–624, https://doi.org/10.5194/acp-25-597-2025,https://doi.org/10.5194/acp-25-597-2025, 2025

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13 Jan 2025

Ground-based Tropospheric Ozone Measurements: Regional tropospheric ozone column trends from the TOAR-II/ HEGIFTOM homogenized datasets

Roeland Van Malderen, Zhou Zang, Kai-Lan Chang, Robin Björklund, Owen R. Cooper, Jane Liu, Eliane Maillard Barras, Corinne Vigouroux, Irina Petropavlovskikh, Thierry Leblanc, Valérie Thouret, Pawel Wolff, Peter Effertz, Audrey Gaudel, David W. Tarasick, Herman G. J. Smit, Anne M. Thompson, Ryan M. Stauffer, Debra E. Kollonige, Deniz Poyraz, Gérard Ancellet, Marie-Renée De Backer, Matthias M. Frey, James W. Hannigan, José L. Hernandez, Bryan J. Johnson, Nicholas Jones, Rigel Kivi, Emmanuel Mahieu, Isamu Morino, Glen McConville, Katrin Müller, Isao Murata, Justus Notholt, Ankie Piters, Maxime Prignon, Richard Querel, Vincenzo Rizi, Dan Smale, Wolfgang Steinbrecht, Kimberly Strong, and Ralf Sussmann

EGUsphere, https://doi.org/10.5194/egusphere-2024-3745,https://doi.org/10.5194/egusphere-2024-3745, 2025

Revised manuscript under review for ACP (discussion: final response, 6 comments)

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13 Jan 2025

Global Ground-based Tropospheric Ozone Measurements: Reference Data and Individual Site Trends (2000–2022) from the TOAR-II/HEGIFTOM Project

Roeland Van Malderen, Anne M. Thompson, Debra E. Kollonige, Ryan M. Stauffer, Herman G. J. Smit, Eliane Maillard Barras, Corinne Vigouroux, Irina Petropavlovskikh, Thierry Leblanc, Valérie Thouret, Pawel Wolff, Peter Effertz, David W. Tarasick, Deniz Poyraz, Gérard Ancellet, Marie-Renée De Backer, Stéphanie Evan, Victoria Flood, Matthias M. Frey, James W. Hannigan, José L. Hernandez, Marco Iarlori, Bryan J. Johnson, Nicholas Jones, Rigel Kivi, Emmanuel Mahieu, Glen McConville, Katrin Müller, Tomoo Nagahama, Justus Notholt, Ankie Piters, Natalia Prats, Richard Querel, Dan Smale, Wolfgang Steinbrecht, Kimberly Strong, and Ralf Sussmann

EGUsphere, https://doi.org/10.5194/egusphere-2024-3736,https://doi.org/10.5194/egusphere-2024-3736, 2025

Revised manuscript accepted for ACP (discussion: final response, 4 comments)

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10 Jan 2025

Development of the DO₃SE-Crop model to assess ozone effects on crop phenology, biomass, and yield

Pritha Pande, Sam Bland, Nathan Booth, Jo Cook, Zhaozhong Feng, and Lisa Emberson

Biogeosciences, 22, 181–212, https://doi.org/10.5194/bg-22-181-2025,https://doi.org/10.5194/bg-22-181-2025, 2025

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07 Jan 2025

Identifying Drivers of Surface Ozone Bias in Global Chemical Reanalysis with Explainable Machine Learning

Kazuyuki Miyazaki, Yuliya Marchetti, James Montgomery, Steven Lu, and Kevin Bowman

EGUsphere, https://doi.org/10.5194/egusphere-2024-3753,https://doi.org/10.5194/egusphere-2024-3753, 2025

Revised manuscript accepted for ACP (discussion: final response, 4 comments)

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07 Jan 2025

Intercomparison of IAGOS-CORE, IAGOS-CARIBIC and WMO/GAW-WCCOS Ozone Instruments at the Environmental Simulation Facility at Jülich, Germany

Herman G.J. Smit, Torben Galle, Romain Blot, Florian Obersteiner, Philippe Nédélec, Andreas Zahn, Jean-Marc Cousin, Ulrich Bundke, Andreas Petzold, Valerie Thouret, and Hannah Clark

EGUsphere, https://doi.org/10.5194/egusphere-2024-3760,https://doi.org/10.5194/egusphere-2024-3760, 2025

Preprint under review for AMT (discussion: final response, 2 comments)

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06 Jan 2025

Applications of Machine Learning and Artificial Intelligence in Tropospheric Ozone Research

Sebastian H. M. Hickman, Makoto Kelp, Paul T. Griffiths, Kelsey Doerksen, Kazuyuki Miyazaki, Elyse A. Pennington, Gerbrand Koren, Fernando Iglesias-Suarez, Martin G. Schultz, Kai-Lan Chang, Owen R. Cooper, Alexander T. Archibald, Roberto Sommariva, David Carlson, Hantao Wang, J. Jason West, and Zhenze Liu

EGUsphere, https://doi.org/10.5194/egusphere-2024-3739,https://doi.org/10.5194/egusphere-2024-3739, 2025

Preprint under review for GMD (discussion: final response, 2 comments)

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03 Jan 2025

Intercomparison of global ground-level ozone datasets for health-relevant metrics

Hantao Wang, Kazuyuki Miyazaki, Haitong Zhe Sun, Zhen Qu, Xiang Liu, Antje Inness, Martin Schultz, Sabine Schröder, Marc Serre, and J. Jason West

EGUsphere, https://doi.org/10.5194/egusphere-2024-3723,https://doi.org/10.5194/egusphere-2024-3723, 2025

Revised manuscript under review for ACP (discussion: final response, 6 comments)

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20 Dec 2024

Natural and anthropogenic influence on tropospheric ozone variability over the Tropical Atlantic unveiled by satellite and in situ observations

Sachiko Okamoto, Juan Cuesta, Gaëlle Dufour, Maxmim Eremenko, Kazuyuki Miyazaki, Cathy Boonne, Hiroshi Tanimoto, Jeff Peischl, and Chelsea Thompson

EGUsphere, https://doi.org/10.5194/egusphere-2024-3758,https://doi.org/10.5194/egusphere-2024-3758, 2024

Preprint under review for ACP (discussion: final response, 6 comments)

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19 Dec 2024

Comparative ozone production sensitivity to NO_x and VOCs in Quito, Ecuador and Santiago, Chile: implications for control strategies in times of climate action

María Cazorla, Melissa Trujillo, Rodrigo Seguel, and Laura Gallardo

EGUsphere, https://doi.org/10.5194/egusphere-2024-3720,https://doi.org/10.5194/egusphere-2024-3720, 2024

Revised manuscript accepted for ACP (discussion: final response, 12 comments)

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19 Dec 2024

Quantifying biases in TROPESS AIRS, CrIS, and joint AIRS+OMI tropospheric ozone products using ozonesondes

Elyse A. Pennington, Gregory B. Osterman, Vivienne H. Payne, Kazuyuki Miyazaki, Kevin W. Bowman, and Jessica L. Neu

EGUsphere, https://doi.org/10.5194/egusphere-2024-3701,https://doi.org/10.5194/egusphere-2024-3701, 2024

Revised manuscript accepted for ACP (discussion: final response, 4 comments)

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17 Dec 2024

Inter-comparison of tropospheric ozone column datasets from combined nadir and limb satellite observations

Carlo Arosio, Viktoria Sofieva, Andrea Orfanoz-Cheuquelaf, Alexei Rozanov, Klaus-Peter Heue, Edward Malina, Ryan M. Stauffer, David Tarasick, Roeland Van Malderen, Jerry R. Ziemke, and Mark Weber

EGUsphere, https://doi.org/10.5194/egusphere-2024-3737,https://doi.org/10.5194/egusphere-2024-3737, 2024

Revised manuscript accepted for AMT (discussion: final response, 6 comments)

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17 Dec 2024

Seasonal, regional, and vertical characteristics of high-carbon-monoxide plumes along with their associated ozone anomalies, as seen by IAGOS between 2002 and 2019

Thibaut Lebourgeois, Bastien Sauvage, Pawel Wolff, Béatrice Josse, Virginie Marécal, Yasmine Bennouna, Romain Blot, Damien Boulanger, Hannah Clark, Jean-Marc Cousin, Philippe Nedelec, and Valérie Thouret

Atmos. Chem. Phys., 24, 13975–14004, https://doi.org/10.5194/acp-24-13975-2024,https://doi.org/10.5194/acp-24-13975-2024, 2024

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17 Dec 2024

Tropospheric ozone trends and attributions over East and Southeast Asia in 1995–2019: An integrated assessment using statistical methods, machine learning models, and multiple chemical transport models

Xiao Lu, Yiming Liu, Jiayin Su, Xiang Weng, Tabish Ansari, Yuqiang Zhang, Guowen He, Yuqi Zhu, Haolin Wang, Ganquan Zeng, Jingyu Li, Cheng He, Shuai Li, Teerachai Amnuaylojaroen, Tim Butler, Qi Fan, Shaojia Fan, Grant L. Forster, Meng Gao, Jianlin Hu, Yugo Kanaya, Mohd Talib Latif, Keding Lu, Philippe Nédélec, Peer Nowack, Bastien Sauvage, Xiaobin Xu, Lin Zhang, Ke Li, Ja-Ho Koo, and Tatsuya Nagashima

EGUsphere, https://doi.org/10.5194/egusphere-2024-3702,https://doi.org/10.5194/egusphere-2024-3702, 2024

Revised manuscript accepted for ACP (discussion: final response, 4 comments)

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16 Dec 2024

Long-term satellite trends of European lower-tropospheric ozone from 1996–2017

Matilda A. Pimlott, Richard J. Pope, Brian J. Kerridge, Richard Siddans, Barry G. Latter, Wuhu Feng, and Martyn P. Chipperfield

EGUsphere, https://doi.org/10.5194/egusphere-2024-3717,https://doi.org/10.5194/egusphere-2024-3717, 2024

Preprint under review for ACP (discussion: final response, 3 comments)

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16 Dec 2024

Ozone causes substantial reductions in the carbon sequestration of managed European forests

Per Erik Karlsson, Patrick Büker, Sam Bland, David Simpson, Katrina Sharps, Felicity Hayes, and Lisa Emberson

EGUsphere, https://doi.org/10.5194/egusphere-2024-3742,https://doi.org/10.5194/egusphere-2024-3742, 2024

Revised manuscript accepted for BG (discussion: final response, 6 comments)

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16 Dec 2024

The improved Trajectory-mapped Ozonesonde dataset for the Stratosphere and Troposphere (TOST): update, validation and applications

Zhou Zang, Jane Liu, David Tarasick, Omid Moeini, Jianchun Bian, Jinqiang Zhang, Anne M. Thompson, Roeland Van Malderen, Herman G. J. Smit, Ryan M. Stauffer, Bryan J. Johnson, and Debra E. Kollonige

Atmos. Chem. Phys., 24, 13889–13912, https://doi.org/10.5194/acp-24-13889-2024,https://doi.org/10.5194/acp-24-13889-2024, 2024

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13 Dec 2024

Hemispheric differences in ozone across the stratosphere-troposphere exchange region

Rodrigo J. Seguel, Charlie Opazo, Yann Cohen, Owen R. Cooper, Laura Gallardo, Björn-Martin Sinnhuber, Florian Obersteiner, Andreas Zahn, Peter Hoor, and Susanne Rohs

EGUsphere, https://doi.org/10.5194/egusphere-2024-3719,https://doi.org/10.5194/egusphere-2024-3719, 2024

Revised manuscript accepted for ACP (discussion: final response, 4 comments)

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13 Dec 2024

Explaining trends and changing seasonal cycles of surface ozone in North America and Europe over the 2000–2018 period: A global modelling study with NO_x and VOC tagging

Tabish Ansari, Aditya Nalam, Aurelia Lupaşcu, Carsten Hinz, Simon Grasse, and Tim Butler

EGUsphere, https://doi.org/10.5194/egusphere-2024-3752,https://doi.org/10.5194/egusphere-2024-3752, 2024

Preprint under review for ACP (discussion: final response, 3 comments)

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06 Dec 2024

Climate Forcing due to Future Ozone Changes: An intercomparison of metrics and methods

William J. Collins, Fiona M. O'Connor, Connor R. Barker, Rachael E. Byrom, Sebastian D. Eastham, Øivind Hodnebrog, Patrick Jöckel, Eloise A. Marais, Mariano Mertens, Gunnar Myhre, Matthias Nützel, Dirk Olivié, Ragnhild Bieltvedt Skeie, Laura Stecher, Larry W. Horowitz, Vaishali Naik, Gregory Faluvegi, Ulas Im, Lee T. Murray, Drew Shindell, Kostas Tsigaridis, Nathan Luke Abraham, and James Keeble

EGUsphere, https://doi.org/10.5194/egusphere-2024-3698,https://doi.org/10.5194/egusphere-2024-3698, 2024

Revised manuscript under review for ACP (discussion: final response, 4 comments)

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04 Dec 2024

Intercomparison of long-term ground-based measurements of total, tropospheric, and stratospheric ozone at Lauder, New Zealand

Robin Björklund, Corinne Vigouroux, Peter Effertz, Omaira E. García, Alex Geddes, James Hannigan, Koji Miyagawa, Michael Kotkamp, Bavo Langerock, Gerald Nedoluha, Ivan Ortega, Irina Petropavlovskikh, Deniz Poyraz, Richard Querel, John Robinson, Hisako Shiona, Dan Smale, Penny Smale, Roeland Van Malderen, and Martine De Mazière

Atmos. Meas. Tech., 17, 6819–6849, https://doi.org/10.5194/amt-17-6819-2024,https://doi.org/10.5194/amt-17-6819-2024, 2024

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29 Nov 2024

Measurement report: Long-term measurements of surface ozone and trends in semi-natural sub-Saharan African ecosystems

Hagninou Elagnon Venance Donnou, Aristide Barthélémy Akpo, Money Ossohou, Claire Delon, Véronique Yoboué, Dungall Laouali, Marie Ouafo-Leumbe, Pieter Gideon Van Zyl, Ousmane Ndiaye, Eric Gardrat, Maria Dias-Alves, and Corinne Galy-Lacaux

Atmos. Chem. Phys., 24, 13151–13182, https://doi.org/10.5194/acp-24-13151-2024,https://doi.org/10.5194/acp-24-13151-2024, 2024

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15 Nov 2024

Ozone pollution may limit the benefits of irrigation to wheat productivity in India

Gabriella Everett, Øivind Hodnebrog, Madhoolika Agrawal, Durgesh Singh Yadav, Connie O'Neill, Chubamenla Jamir, Jo Cook, Pritha Pande, and Lisa Emberson

EGUsphere, https://doi.org/10.5194/egusphere-2024-3371,https://doi.org/10.5194/egusphere-2024-3371, 2024

Revised manuscript accepted for BG (discussion: final response, 6 comments)

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13 Nov 2024

Performance evaluation of UKESM1 for surface ozone across the pan-tropics

Flossie Brown, Gerd Folberth, Stephen Sitch, Paulo Artaxo, Marijn Bauters, Pascal Boeckx, Alexander W. Cheesman, Matteo Detto, Ninong Komala, Luciana Rizzo, Nestor Rojas, Ines dos Santos Vieira, Steven Turnock, Hans Verbeeck, and Alfonso Zambrano

Atmos. Chem. Phys., 24, 12537–12555, https://doi.org/10.5194/acp-24-12537-2024,https://doi.org/10.5194/acp-24-12537-2024, 2024

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11 Nov 2024

Improved convective cloud differential (CCD) tropospheric ozone from S5P-TROPOMI satellite data using local cloud fields

Swathi Maratt Satheesan, Kai-Uwe Eichmann, John P. Burrows, Mark Weber, Ryan Stauffer, Anne M. Thompson, and Debra Kollonige

Atmos. Meas. Tech., 17, 6459–6484, https://doi.org/10.5194/amt-17-6459-2024,https://doi.org/10.5194/amt-17-6459-2024, 2024

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05 Nov 2024

New ozone–nitrogen model shows early senescence onset is the primary cause of ozone-induced reduction in grain quality of wheat

Jo Cook, Clare Brewster, Felicity Hayes, Nathan Booth, Sam Bland, Pritha Pande, Samarthia Thankappan, Håkan Pleijel, and Lisa Emberson

Biogeosciences, 21, 4809–4835, https://doi.org/10.5194/bg-21-4809-2024,https://doi.org/10.5194/bg-21-4809-2024, 2024

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05 Nov 2024

Tropospheric ozone precursors: global and regional distributions, trends, and variability

Yasin Elshorbany, Jerald R. Ziemke, Sarah Strode, Hervé Petetin, Kazuyuki Miyazaki, Isabelle De Smedt, Kenneth Pickering, Rodrigo J. Seguel, Helen Worden, Tamara Emmerichs, Domenico Taraborrelli, Maria Cazorla, Suvarna Fadnavis, Rebecca R. Buchholz, Benjamin Gaubert, Néstor Y. Rojas, Thiago Nogueira, Thérèse Salameh, and Min Huang

Atmos. Chem. Phys., 24, 12225–12257, https://doi.org/10.5194/acp-24-12225-2024,https://doi.org/10.5194/acp-24-12225-2024, 2024

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30 Oct 2024

The contribution of transport emissions to ozone mixing ratios and methane lifetime in 2015 and 2050 in the Shared Socioeconomic Pathways (SSPs)

Mariano Mertens, Sabine Brinkop, Phoebe Graf, Volker Grewe, Johannes Hendricks, Patrick Jöckel, Anna Lanteri, Sigrun Matthes, Vanessa S. Rieger, Mattia Righi, and Robin N. Thor

Atmos. Chem. Phys., 24, 12079–12106, https://doi.org/10.5194/acp-24-12079-2024,https://doi.org/10.5194/acp-24-12079-2024, 2024

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25 Oct 2024

Consistency evaluation of tropospheric ozone from ozonesonde and IAGOS (In-service Aircraft for a Global Observing System) observations: vertical distribution, ozonesonde types, and station–airport distance

Honglei Wang, David W. Tarasick, Jane Liu, Herman G. J. Smit, Roeland Van Malderen, Lijuan Shen, Romain Blot, and Tianliang Zhao

Atmos. Chem. Phys., 24, 11927–11942, https://doi.org/10.5194/acp-24-11927-2024,https://doi.org/10.5194/acp-24-11927-2024, 2024

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16 Oct 2024

Influence of nitrogen oxides and volatile organic compounds emission changes on tropospheric ozone variability, trends and radiative effect

Suvarna Fadnavis, Yasin Elshorbany, Jerald Ziemke, Brice Barret, Alexandru Rap, P. R. Satheesh Chandran, Richard Pope, Vijay Sagar, Domenico Taraborrelli, Eric Le Flochmoen, Juan Cuesta, Catherine Wespes, Folkert Boersma, Isolde Glissenaar, Isabelle De Smedt, Michel Van Roozendael, Hervé Petetin, and Isidora Anglou

EGUsphere, https://doi.org/10.5194/egusphere-2024-3050,https://doi.org/10.5194/egusphere-2024-3050, 2024

Revised manuscript accepted for ACP (discussion: final response, 7 comments)

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14 Oct 2024

Drivers of change in Peak Season Surface Ozone Concentrations and Impacts on Human Health over the Historical Period (1850–2014)

Steven Turnock, Dimitris Akritidis, Larry Horowitz, Mariano Mertens, Andrea Pozzer, Carly Reddington, Hantao Wang, Putian Zhou, and Fiona O'Connor

EGUsphere, https://doi.org/10.5194/egusphere-2024-2732,https://doi.org/10.5194/egusphere-2024-2732, 2024

Revised manuscript accepted for ACP (discussion: final response, 5 comments)

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09 Sep 2024

Tropical tropospheric ozone distribution and trends from in situ and satellite data

Audrey Gaudel, Ilann Bourgeois, Meng Li, Kai-Lan Chang, Jerald Ziemke, Bastien Sauvage, Ryan M. Stauffer, Anne M. Thompson, Debra E. Kollonige, Nadia Smith, Daan Hubert, Arno Keppens, Juan Cuesta, Klaus-Peter Heue, Pepijn Veefkind, Kenneth Aikin, Jeff Peischl, Chelsea R. Thompson, Thomas B. Ryerson, Gregory J. Frost, Brian C. McDonald, and Owen R. Cooper

Atmos. Chem. Phys., 24, 9975–10000, https://doi.org/10.5194/acp-24-9975-2024,https://doi.org/10.5194/acp-24-9975-2024, 2024

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22 Aug 2024

Investigation of the impact of satellite vertical sensitivity on long-term retrieved lower-tropospheric ozone trends

Richard J. Pope, Fiona M. O'Connor, Mohit Dalvi, Brian J. Kerridge, Richard Siddans, Barry G. Latter, Brice Barret, Eric Le Flochmoen, Anne Boynard, Martyn P. Chipperfield, Wuhu Feng, Matilda A. Pimlott, Sandip S. Dhomse, Christian Retscher, Catherine Wespes, and Richard Rigby

Atmos. Chem. Phys., 24, 9177–9195, https://doi.org/10.5194/acp-24-9177-2024,https://doi.org/10.5194/acp-24-9177-2024, 2024

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22 Jul 2024

Changes in South American surface ozone trends: exploring the influences of precursors and extreme events

Rodrigo J. Seguel, Lucas Castillo, Charlie Opazo, Néstor Y. Rojas, Thiago Nogueira, María Cazorla, Mario Gavidia-Calderón, Laura Gallardo, René Garreaud, Tomás Carrasco-Escaff, and Yasin Elshorbany

Atmos. Chem. Phys., 24, 8225–8242, https://doi.org/10.5194/acp-24-8225-2024,https://doi.org/10.5194/acp-24-8225-2024, 2024

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28 May 2024

Technical note: Challenges in detecting free tropospheric ozone trends in a sparsely sampled environment

Kai-Lan Chang, Owen R. Cooper, Audrey Gaudel, Irina Petropavlovskikh, Peter Effertz, Gary Morris, and Brian C. McDonald

Atmos. Chem. Phys., 24, 6197–6218, https://doi.org/10.5194/acp-24-6197-2024,https://doi.org/10.5194/acp-24-6197-2024, 2024

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06 May 2024

Dynamical drivers of free-tropospheric ozone increases over equatorial Southeast Asia

Ryan M. Stauffer, Anne M. Thompson, Debra E. Kollonige, Ninong Komala, Habib Khirzin Al-Ghazali, Dian Yudha Risdianto, Ambun Dindang, Ahmad Fairudz bin Jamaluddin, Mohan Kumar Sammathuria, Norazura Binti Zakaria, Bryan J. Johnson, and Patrick D. Cullis

Atmos. Chem. Phys., 24, 5221–5234, https://doi.org/10.5194/acp-24-5221-2024,https://doi.org/10.5194/acp-24-5221-2024, 2024

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03 Apr 2024

MIXv2: a long-term mosaic emission inventory for Asia (2010–2017)

Meng Li, Junichi Kurokawa, Qiang Zhang, Jung-Hun Woo, Tazuko Morikawa, Satoru Chatani, Zifeng Lu, Yu Song, Guannan Geng, Hanwen Hu, Jinseok Kim, Owen R. Cooper, and Brian C. McDonald

Atmos. Chem. Phys., 24, 3925–3952, https://doi.org/10.5194/acp-24-3925-2024,https://doi.org/10.5194/acp-24-3925-2024, 2024

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28 Mar 2024

Tropospheric ozone column dataset from OMPS-LP/OMPS-NM limb–nadir matching

Andrea Orfanoz-Cheuquelaf, Carlo Arosio, Alexei Rozanov, Mark Weber, Annette Ladstätter-Weißenmayer, John P. Burrows, Anne M. Thompson, Ryan M. Stauffer, and Debra E. Kollonige

Atmos. Meas. Tech., 17, 1791–1809, https://doi.org/10.5194/amt-17-1791-2024,https://doi.org/10.5194/amt-17-1791-2024, 2024

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22 Mar 2024

Quantifying the tropospheric ozone radiative effect and its temporal evolution in the satellite era

Richard J. Pope, Alexandru Rap, Matilda A. Pimlott, Brice Barret, Eric Le Flochmoen, Brian J. Kerridge, Richard Siddans, Barry G. Latter, Lucy J. Ventress, Anne Boynard, Christian Retscher, Wuhu Feng, Richard Rigby, Sandip S. Dhomse, Catherine Wespes, and Martyn P. Chipperfield

Atmos. Chem. Phys., 24, 3613–3626, https://doi.org/10.5194/acp-24-3613-2024,https://doi.org/10.5194/acp-24-3613-2024, 2024

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21 Dec 2023

Fingerprints of the COVID-19 economic downturn and recovery on ozone anomalies at high-elevation sites in North America and western Europe

Davide Putero, Paolo Cristofanelli, Kai-Lan Chang, Gaëlle Dufour, Gregory Beachley, Cédric Couret, Peter Effertz, Daniel A. Jaffe, Dagmar Kubistin, Jason Lynch, Irina Petropavlovskikh, Melissa Puchalski, Timothy Sharac, Barkley C. Sive, Martin Steinbacher, Carlos Torres, and Owen R. Cooper

Atmos. Chem. Phys., 23, 15693–15709, https://doi.org/10.5194/acp-23-15693-2023,https://doi.org/10.5194/acp-23-15693-2023, 2023

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05 Dec 2023

Investigation of spatial and temporal variability in lower tropospheric ozone from RAL Space UV–Vis satellite products

Richard J. Pope, Brian J. Kerridge, Richard Siddans, Barry G. Latter, Martyn P. Chipperfield, Wuhu Feng, Matilda A. Pimlott, Sandip S. Dhomse, Christian Retscher, and Richard Rigby

Atmos. Chem. Phys., 23, 14933–14947, https://doi.org/10.5194/acp-23-14933-2023,https://doi.org/10.5194/acp-23-14933-2023, 2023

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